---
type: species
title: "Chocolate Shrimp Care Guide: Breeding & Keeping Neocaridina davidi Chocolate"
slug: "chocolate-shrimp"
category: "shrimp"
scientificName: "Neocaridina davidi"
subcategory: "Freshwater Neocaridina"
lastUpdated: "2026-04-26"
readingTime: 10
url: https://www.fishstores.org/species/chocolate-shrimp
---

# Chocolate Shrimp Care Guide: Breeding & Keeping Neocaridina davidi Chocolate

*Neocaridina davidi*

Master Chocolate Shrimp care! Learn the ideal water parameters, diet, and breeding tips for this stunning dark brown Neocaridina davidi variety.

## Species Overview

The chocolate shrimp (*Neocaridina davidi*) is one of the more recent color morphs to land in the freshwater shrimp hobby, and it is also one of the most commonly mislabeled. A genuine chocolate shrimp is a deep, opaque espresso brown that runs from rostrum to tail, with a slight sheen under aquarium lighting that almost looks like wet coffee grounds. What you actually see in most local fish stores is a mixed bag of true chocolates, half-grade browns, and translucent wild-type culls being sold for the same price.

The genetics behind this morph are simple in the abstract and frustrating in practice. Chocolate shrimp share a recessive pigment line with the more famous black-bodied *Neocaridina* varieties, which means a single tank of mixed colors will quickly produce a generation of muddy, off-color offspring. Kept properly — meaning isolated from other *Neocaridina* color strains and selectively culled for the deepest brown specimens — they are every bit as hardy as their red cherry shrimp cousins and they breed at the same rapid pace.

| Field       | Value                     |
| ----------- | ------------------------- |
| Adult size  | 1.25-1.5 in (3-4 cm)      |
| Lifespan    | 1.5-2 years               |
| Min tank    | 5 gallons                 |
| Temperament | Peaceful scavenger        |
| Difficulty  | Beginner                  |
| Diet        | Omnivore (biofilm grazer) |

### The Genetics of the "Chocolate" Morph (Relation to Black Rose and Blue Dream)

Every color morph of *Neocaridina davidi* you see in the hobby — chocolate, [red cherry](/species/red-cherry-shrimp), [bloody mary](/species/bloody-mary-shrimp), [blue dream](/species/blue-dream-shrimp), [black rose](/species/black-rose-shrimp) — descends from the same wild-type ancestor: a translucent, mottled brown shrimp originally collected in Taiwan and southern China. Decades of selective breeding by Asian and European farms locked in pigment expressions that the wild population only hinted at.

Chocolate sits on the brown-to-black axis of the color wheel. It is genetically closer to black rose shrimp than it is to a red cherry, and crossing the two strains can either intensify the chocolate or muddy it depending on which alleles dominate. Crossing a chocolate with a [blue dream shrimp](/species/blue-dream-shrimp) almost always produces a generation of translucent or weak-colored shrimp, because the underlying brown carotenoid pigment fights with the recessive blue gene. This is why serious breeders keep chocolate colonies in dedicated tanks and never share equipment between morphs without sterilizing first.

### Identifying High-Grade vs. Low-Grade Specimens

A high-grade chocolate shrimp shows three things at once: opacity (you cannot see internal organs through the body), color saturation that runs full-length from head to tail, and minimal or no clear patches on the underbelly. Low-grade chocolates fade in the front third of the body, show a translucent saddle area near the head, and often have a noticeable brown-to-clear gradient along the tail.

Females typically display deeper color than males because they are larger and have more body surface for pigment to express across. A juvenile shrimp under 0.75 inches has not finished developing its color and should not be graded yet — this is the single biggest mistake new buyers make at the LFS, dismissing a young shrimp as "low grade" when it simply has not matured.

> **The LFS Grading Checklist**
>
> When evaluating a tank of "chocolate shrimp" at your local store, look for: full-body opacity (no see-through abdomens), uniform color from rostrum to telson, a visible saddle in the females (yellow-brown ovaries showing through the carapace), and active grazing behavior. Reject any shrimp with cloudy white patches, missing antennae, or limp postures clinging to the glass — these are stressed or dying animals being passed off as healthy stock.

### Typical Lifespan and Maximum Size (1.5 inches)

A healthy chocolate shrimp reaches roughly 1.25 to 1.5 inches at maturity, with females consistently larger than males. Lifespan in a stable, well-maintained tank is 1.5 to 2 years, which is typical for the entire *Neocaridina* genus. Wild specimens have been reported to live slightly longer, but home-tank averages are governed more by water stability and breeding frequency than by genetics.

Female chocolates that breed continuously tend to live shorter lives than males or non-breeding females. Each successful clutch of 20-30 shrimplets is metabolically expensive, and an actively reproducing colony will see females cycling out of the population around 18 months while males push closer to 24 months.

## Water Parameters & Tank Requirements

Chocolate shrimp do not need exotic equipment or specialized water chemistry. They will live in unmodified tap water across most of North America provided it has been properly cycled and dechlorinated. The single most important variable is stability — large swings in any parameter are far more dangerous than slightly off baseline values held steady.

### Ideal Parameters: Temp (68-78°F), pH (6.5-8.0), and GH/KH (6-8 / 2-5)

Aim for temperatures between 68°F and 78°F, with the sweet spot for breeding sitting around 72-74°F. Higher temperatures accelerate metabolism, increase breeding frequency, and shorten lifespan; lower temperatures slow everything down and can suppress reproduction entirely below 65°F.

Target a pH of 6.5 to 8.0, GH of 6-8 dGH, and KH of 2-5 dKH. TDS (total dissolved solids) should land somewhere between 180 and 280 ppm. These numbers describe a moderately hard, neutral-to-slightly-alkaline water column, which is the opposite of what soft-water shrimp species like Caridina need. Do not buffer your water with active substrate trying to "improve" conditions for chocolates — they want the harder water you probably already have from the tap.

| Parameter   | Target            | Notes                                |
| ----------- | ----------------- | ------------------------------------ |
| Temperature | 68-78°F (20-26°C) | 72-74°F for active breeding          |
| pH          | 6.5-8.0           | Avoid buffering substrates           |
| GH          | 6-8 dGH           | Critical for molting                 |
| KH          | 2-5 dKH           | Provides pH stability                |
| TDS         | 180-280 ppm       | Measure with a pen meter             |
| Ammonia     | 0 ppm             | Cycle the tank fully before stocking |
| Nitrite     | 0 ppm             | Lethal to invertebrates              |
| Nitrate     | Under 20 ppm      | Weekly water changes maintain this   |

Before adding any shrimp, the tank must be fully cycled — meaning ammonia and nitrite both read zero across multiple test windows. Inverts have no tolerance for nitrogen-cycle spikes. If you have not cycled a shrimp tank before, the fishless cycle process is the same as for fish: ammonia source, time, biological filter colonization, and patience.

### Substrate Choices: Why Inert Sand/Gravel is Better than Buffering Soil

This is one of the most common rookie mistakes in the shrimp hobby. Active substrates like ADA Amazonia or Fluval Stratum are designed to drop pH and soften water for Caridina species (crystal red shrimp, blue bolts, etc.). For Neocaridina species like chocolates, that pH drop is actively harmful — it removes the calcium and carbonate hardness they need for healthy molting.

Use inert pool filter sand, plain black aquarium sand, or natural-color gravel. None of these will alter your water chemistry. They look good, they support biofilm growth, and they let your tap water hardness do its job. Save the buffering soil for a future Caridina tank.

### Filtration: Sponge Filters vs. Intake Guards for Shrimplets

A simple air-driven sponge filter is the gold standard for any shrimp tank. It provides biological filtration, gentle flow, and most importantly cannot suck in shrimplets. A single newborn chocolate shrimp is roughly 1mm long and can fit through almost any HOB filter intake on the market.

If you must use a hang-on-back or canister filter for additional flow, every intake needs a fine mesh pre-filter sponge or a stainless steel intake guard. Without one, you will lose every shrimplet born in that tank and never know why your colony refuses to grow. For new tanks, a fishless cycle is essential before any livestock — see our [how to acclimate fish](/guides/how-to-acclimate-fish) guide for the matching post-cycle introduction process.

## Diet & Feeding

Chocolate shrimp are scavengers and grazers. In a mature, established tank with plenty of biofilm and soft algae, they require almost no supplemental feeding. In a brand-new tank, they will need help — biofilm takes weeks to develop in significant quantity.

### Biofilm and Algae: The Primary Food Source

Biofilm is the slimy, microscopic layer of bacteria, algae, and microorganisms that coats every surface in a mature aquarium. To a shrimp, this is the equivalent of an all-you-can-eat buffet that regenerates itself daily. You cannot see most of it, but you can watch your shrimp grazing on it constantly — that subtle plucking motion as they scrape glass, plant leaves, and driftwood is biofilm consumption.

Soft algae (the green fuzz that grows on glass and decor) is a secondary preferred food. Tanks that are kept too clean — scrubbed glass, no algae, polished decor — actually starve a shrimp colony slowly. Let some biofilm develop, leave one or two surfaces ungrazed by your scraper, and your shrimp will thank you.

### Supplemental Feeding: Bacter AE, Blanched Vegetables, and High-Protein Pellets

For young tanks or growing colonies, supplement with a biofilm-promoting powder like Bacter AE or Shrimp King 100. Dust a small pinch onto the substrate every few days. The powder feeds the biofilm bacteria, which then feed the shrimp — a far more sustainable model than direct feeding.

For direct feeding, rotate between high-quality shrimp pellets, blanched zucchini slices, blanched spinach leaves, and the occasional protein source like a single bloodworm per shrimp. Feed only what the colony can consume in 2-3 hours, and feed only 2-3 times per week in an established tank. Overfeeding fouls the water and triggers the planaria and hydra outbreaks that kill more shrimp colonies than disease ever does.

### The Importance of Calcium for Molting Success

Chocolate shrimp molt their entire exoskeleton roughly every 30-40 days as they grow. Each molt requires calcium drawn from the water column to harden the new shell. If your water is too soft (GH below 4) or your shrimp are calcium-deprived, molts go wrong and shrimp die mid-shed.

Supplement calcium passively with cuttlebone (a small chunk floating in the tank), Wonder Shell, or mineral-rich foods. Do not chase numbers with chemical additives — gradual mineral supply through dissolving calcium sources is far safer than spiking GH with Seachem Equilibrium dosing.

## Tank Mates & Compatibility

Chocolate shrimp are peaceful, defenseless, and tiny. They are also a perfect snack for almost any fish larger than 1.5 inches. A species-only tank will always produce the largest, healthiest, fastest-breeding colony — adding fish is a tradeoff between aesthetic interest and shrimplet survival.

### Best Nano Tank Mates (Otocinclus, Chili Rasboras, Snails)

The safest fish tank mates are the smallest mouths in the hobby: [otocinclus catfish](/species/otocinclus), [chili rasboras](/species/chili-rasbora), [phoenix rasboras](/species/phoenix-rasbora), and [exclamation point rasboras](/species/exclamation-point-rasbora). All of these have mouths physically too small to eat an adult chocolate shrimp, though they will still pick off the occasional newborn shrimplet.

Snails are universally safe — [nerites](/species/zebra-nerite-snail), [mystery snails](/species/gold-mystery-snail), [malaysian trumpet snails](/species/malaysian-trumpet-snail), and [ramshorn snails](/species/leopard-ramshorn-snail) all coexist peacefully and contribute to the tank ecosystem rather than competing with it. Other shrimp species in the same hardness range (like [amano shrimp](/species/amano-shrimp)) work as well, though amanos are larger and will outcompete chocolates at feeding time.

### Predatory Risks: Why Even "Peaceful" Community Fish Eat Shrimplets

Every fish that fits a shrimplet in its mouth will eat the shrimplet. This includes species you might assume are too peaceful — neon tetras, ember tetras, harlequin rasboras, even guppies. The "peaceful community fish" label refers to fish-on-fish behavior, not fish-on-invertebrate behavior. A school of 12 [neon tetras](/species/neon-tetra) will quietly consume 95% of every chocolate shrimp brood without anyone noticing until you wonder why your colony never grows.

### Mixing Colors: The Risk of Reverting to "Wild Type" Brown/Clear

If you plan to breed your chocolates, do not house them with any other *Neocaridina* color morph. Cross-breeding produces F2 generations of muddy, translucent, low-grade shrimp that look like the original wild-type ancestor — splotchy brown and clear. This reversion happens within two or three generations, and once it starts you cannot reverse it without restocking from a pure strain.

The same caution applies to housing two slightly different shades of chocolate from different breeders together. Color lines drift slightly between sources, and mixing them can dilute both. Pick a single source and breed within that line.

## Breeding Chocolate Shrimp

Breeding *Neocaridina* shrimp is famously easy — keep adults of both sexes in a stable, well-fed tank and they will breed continuously without intervention. Breeding *high-grade* chocolates that hold their color across generations requires deliberate culling and isolation discipline.

### Sexing Your Shrimp: Saddles and Pleopods

Female chocolate shrimp are larger, more rounded in the abdomen, and often display a yellow-brown "saddle" on their back behind the head — this is the developing ovary visible through the carapace. Males are smaller, more streamlined, and lack the saddle entirely. Once you have seen the difference a few times, you can sex them at a glance.

Underneath the abdomen, both sexes have pleopods (swimming legs), but the female's pleopods are wider and more curved to hold eggs after fertilization. A "berried" female carrying eggs is unmistakable — a cluster of 20-30 dark brown eggs visible between her swimmerets, fanned constantly to keep oxygen flowing.

### The Gestation Cycle: From Berried to Shrimplets

After mating, a berried female carries her eggs for 25-35 days depending on temperature. Warmer water accelerates the cycle (closer to 25 days at 78°F); cooler water extends it (35+ days at 68°F). Throughout gestation she will continue feeding and grazing normally, occasionally fanning the eggs to oxygenate them.

Shrimplets emerge as miniature adults — fully formed, capable of swimming and grazing immediately, with no larval stage to manage. They are roughly 1mm long at hatch and need dense plant cover (java moss, christmas moss, or guppy grass) to hide from any tank mates and to graze on the biofilm growing on the moss surfaces. Expect 70-90% survival in a species-only tank with good moss cover; expect under 20% survival in any community tank with fish.

### Culling for Color: Maintaining the Deep Espresso Hue

This is where most chocolate breeders fail. Without active culling, every colony drifts toward the genetic mean — which for chocolates is a muddier, lighter brown than the show-grade specimens you started with. Every few months, identify the lowest-color shrimp in your colony (the lightest brown, the most translucent, the ones with clear patches) and rehome them or move them to a separate "cull tank."

Keep only the darkest, most opaque specimens for breeding. Over 4-6 generations of disciplined culling, a colony will hold its color or even improve. Skip culling for one year and you will have a tank of generic brown shrimp that look almost indistinguishable from wild-type.

## Common Health Issues

Chocolate shrimp face the same handful of issues that affect every *Neocaridina* species. Most are preventable with stable water and quarantine practices.

### The "White Ring of Death" (Molting Issues)

The white ring of death is a tell-tale band of white tissue visible at the joint between a shrimp's carapace and abdomen, indicating a failed or partial molt. The shrimp got stuck mid-shed and cannot complete the process. Once visible, the shrimp is almost always doomed — they typically die within 24-48 hours.

The cause is almost always a sudden change in water parameters: a too-large water change with mineral-poor RO water, a TDS drop, a calcium deficiency, or rapid temperature swing. Prevention is everything — slow, partial water changes (no more than 25% per week), consistent remineralization, and steady calcium availability.

### Scutariella Japonica and Vorticella Treatments

Scutariella japonica is a tiny parasitic worm that attaches near the shrimp's rostrum and looks like small white wisps poking out from the head. Vorticella is a stalked protozoan that appears as fuzzy white tufts on the antennae or rostrum. Both are common in imported shrimp and both are treatable with a salt bath (1 tbsp aquarium salt per gallon, dipped 30-60 seconds) or with low-dose API General Cure if you can dose without nuking your snails.

Quarantine all new shrimp arrivals for 2-3 weeks in a separate tank before introducing them to your main colony. This single habit prevents most parasite outbreaks.

> **Copper kills shrimp instantly**
>
> Almost every fish medication on the market contains copper as the active ingredient. Copper at any detectable level is acutely lethal to shrimp and most invertebrates. Read every label. If you have shrimp in a tank, the only safe medications are those explicitly labeled "invertebrate safe" — and even then, dose conservatively in a hospital tank rather than your display.

### Copper Toxicity: Why Fertilizer and Medication Labels Matter

Beyond medications, the second-largest source of copper poisoning in shrimp tanks is plant fertilizer. Many comprehensive aquarium fertilizers (Seachem Flourish Comprehensive, for example) contain trace copper as a plant micronutrient. At fish-tank dosing, the levels are usually safe; at any overdose, the levels become lethal to shrimp.

Use fertilizers explicitly labeled "shrimp safe" or "copper free" — Seachem Flourish Advance, Easy Green from Aquarium Co-op, and several others fit the bill. Keep a record of every additive that goes into your tank, and never combine medications, ich treatments, or algaecides without verifying invertebrate safety first.

## Where to Buy & What to Look For

Chocolate shrimp are sold by both local fish stores and dedicated online breeders, and the quality difference between sources is enormous. The same species, same genus, same scientific name can produce wildly different colonies depending on whether you started with high-grade selectively bred stock or low-grade pet store culls.

### Sourcing from Local Fish Stores (LFS) vs. Online Breeders

Local fish stores rarely stock pure-line chocolate shrimp. What you usually find are mixed *Neocaridina* tanks with assorted browns and translucent shrimp sold as "chocolate." These can be fine for a casual planted tank but will not produce reliable show-grade offspring.

Dedicated online breeders (Aquatic Arts, Flip Aquatics, The Shrimp Farm, and various small-batch breeders on Reddit's r/shrimptank) sell selectively bred colonies with documented color lines. Expect to pay 4-8 dollars per shrimp from a reputable breeder versus 2-3 dollars at the LFS, and consider it an investment in genetics rather than a markup.

**Find a local fish store** — [Find stores near me](https://www.fishstores.org/near-me)

### Acclimation Methods: The Drip Method Necessity

Chocolate shrimp are far more sensitive to TDS and pH swings during acclimation than fish are. The standard "float the bag for 15 minutes" method that works for hardier livestock is genuinely dangerous for shrimp — the parameter shock can kill them within hours.

Use the drip acclimation method exclusively. Place the shrimp and shipping water into a small container, set up a length of airline tubing siphoning from your tank, and tie a loose knot in the tubing to slow flow to roughly 2-3 drops per second. Drip for 1-2 hours until the acclimation container holds at least three times the original shipping water volume. Net the shrimp out (do not pour the shipping water into your tank — it may carry pathogens) and gently release them. For a deeper dive on acclimation methods, see our [how to acclimate fish](/guides/how-to-acclimate-fish) guide, which covers the drip method in detail.

### Buyer Checklist

- [ ] Active grazing behavior on glass, plants, or substrate
- [ ] Full-body opacity with no clear patches on the abdomen
- [ ] Uniform deep brown color from rostrum to telson
- [ ] All antennae and walking legs intact
- [ ] Visible saddle on females (yellow-brown ovary patch)
- [ ] No white ring at the molt joint between carapace and abdomen
- [ ] No fuzzy growths on antennae or rostrum (vorticella, scutariella)
- [ ] Clear quarantine history if buying online
- [ ] Single-source or pure-line genetics, not mixed Neocaridina tank
- [ ] Seller offers DOA guarantee with photo proof requirement

## Quick-Reference Cheat Sheet

The chocolate shrimp is one of the easiest invertebrates in the freshwater hobby once you understand the two non-negotiables: stable water parameters and disciplined breeding isolation. Get those two things right and the species essentially keeps itself.

| Parameter           | Target                       | Notes                                |
| ------------------- | ---------------------------- | ------------------------------------ |
| Scientific name     | Neocaridina davidi           | Chocolate color morph                |
| Adult size          | 1.25-1.5 inches              | Females larger than males            |
| Lifespan            | 1.5-2 years                  | Females shorter if breeding actively |
| Min tank size       | 5 gallons                    | 10+ for stable colony                |
| Temperature         | 68-78°F                      | 72-74°F ideal for breeding           |
| pH                  | 6.5-8.0                      | Tap water usually fine               |
| GH / KH             | 6-8 dGH / 2-5 dKH            | Calcium drives molting               |
| TDS                 | 180-280 ppm                  | Use a pen meter                      |
| Diet                | Biofilm + supplemental       | Feed 2-3x per week                   |
| Tank mates          | Snails, micro rasboras, otos | Avoid all medium fish                |
| Substrate           | Inert sand or gravel         | Never buffering soil                 |
| Filtration          | Sponge filter                | Or guarded HOB intake                |
| Breeding difficulty | Effortless                   | Active culling required for color    |

If you are setting up your first shrimp tank around a chocolate colony, start with a cycled 10-gallon, inert sand substrate, dense moss cover, and a single sponge filter. Add 10-15 shrimp from a single reputable source. Feed lightly, change 20% of the water weekly with remineralized RO or stable tap, and let the colony do its work. Within six months you will have 50+ shrimp and a tank that runs itself.

## Frequently Asked Questions

### Are chocolate shrimp hard to keep?

No, they are among the hardiest freshwater shrimp. As a Neocaridina species, they tolerate a wide range of water parameters, making them ideal for beginners. The key is stability; avoid large, rapid swings in temperature or pH, and always use a dechlorinator during water changes.

### Can chocolate shrimp live with bettas?

It is risky. While some docile bettas coexist with adult shrimp, many will hunt them. Even if the adults survive, the betta will almost certainly eat the tiny shrimplets. If attempting this, provide dense moss cover (like Java Moss) to give the shrimp hiding places.

### What do chocolate shrimp eat?

They are scavengers that primarily eat biofilm and algae. In a home aquarium, you should supplement their diet with high-quality shrimp pellets, blanched zucchini, or spinach. Feeding 2-3 times a week is usually sufficient in a mature tank with plenty of natural biofilm.

### Why is my chocolate shrimp turning clear?

Loss of color is usually caused by stress, poor diet, or genetics. Ensure your water parameters are stable and provide color-enhancing foods. Note that wild type Neocaridina are naturally translucent brown; if your shrimp are offspring, they may have reverted due to a lack of selective breeding.

### Do chocolate shrimp need a heater?

In most climate-controlled homes, a heater is not strictly necessary as they thrive at room temperature (around 72°F). However, if your room temperature drops below 65°F at night, a small heater is recommended to prevent metabolic stress and ensure consistent breeding.

---
*Source: [FishStores.org](https://www.fishstores.org/species/chocolate-shrimp)*
*Last updated: April 26, 2026*