About
Neptune Aquatics has anchored the San Jose aquarium scene for years, and one walk through the front door explains the loyalty it inspires. The space is genuinely big — a dedicated aquascape room sits off to one side, and a showroom of display tanks in every size and shape pulls visitors deeper in. Reviewers describe the tanks as spotless and crystal-clear, looking more like competition show tanks than retail displays, and recent visitors still single out how clean the store is, with no fishy smell and fish that look healthy and well cared for.
Coral is where Neptune is most celebrated. Hobbyists routinely call it the best coral stop in San Jose, and arguably the South Bay, with plentiful frags and stunning live displays. Saltwater keepers will find clownfish, hermit crabs, blennies and other marine livestock for sale in San Jose, CA, plus natural sea water for weekly water changes — though some note the marine fish selection runs narrower than the coral inventory.
That reef depth is why many regulars call this the best aquarium store in the South Bay. Freshwater gets serious attention too. Healthy neon tetras, corydoras, hillstream loaches, freshwater puffers and bettas share the room with a strong live plant selection.
One recent customer happily carried home a beautiful female betta, and another praised a staff member for steering her toward the right plants for a low-tech tank rather than pushing a pricier light. Driftwood, hardscape and substrates round out the planted side, and the plants here are noted for arriving healthy with zero melt and reasonable sale pricing. Dry goods run deep — tanks, lighting, test kits and frozen foods like LRS Reef Frenzy.
Pricing sits a bit above the chains, which loyal shoppers tie directly to livestock quality: fish bought here, they say, simply stay alive instead of fading after a week or two. For Bay Area aquarists willing to make the drive, Neptune rewards the trip with one of the region's deepest, healthiest selections of fish, coral and plants under one roof.
What they offer
Fish & livestock for sale at Neptune Aquatics in San Jose, CA
Neptune Aquatics stocks corals, reef fish, clownfish, betta fish, tetras, catfish, pufferfish, invertebrates, aquarium plants and freshwater & saltwater fish for sale in San Jose, CA. As an aquarium store serving San Jose, CA, it also carries dry goods, aquarium equipment and fish food and offers aquarium consultations, aquarium setup, aquascaping and water testing.
- Livestock & products
- CoralsReefLive PlantsClownfishBettasTetrasCatfishPuffersInvertebratesShrimpDry GoodsAquarium EquipmentFish Food
- Specializes in
Highlights
What makes them special
- Widely regarded as the best coral and reef shop in the South Bay, with plentiful frags and stunning live displays
- Spotless showroom of crystal-clear display tanks plus a dedicated aquascape room
- Healthy freshwater stock including neon tetras, corydoras, hillstream loaches, freshwater puffers and bettas
- Natural sea water available for saltwater tank water changes
- Plants arrive healthy with zero melt, and staff guide low-tech tank choices without upselling
From keepers
Customer reviews
“I bought a beautiful female beta fish from here. The staff is friendly and helpful. It appears they really care about all their aquatic friends. I highly recommend you check them out.”
— D.Quevedo.O5.0a week ago“Popped by out of curiosity because I was in the area. Very clean on the inside and no fishy smell, which I appreciate. The fish looked well taken care of, with minimal dead fish or fish with clamped fins. The plants were very healthy, had zero melt, and were on sale for a reasonable price. The staff member who helped me was very friendly and helped me choose the best plants for a low tech tank. Will definitely be visiting the store again!”
— Elizabeth Wang5.0a week ago“Helpful staff answered all my questions and suggested solutions.”
— QQ q5.0a month ago“I buy my fish from here because they stay alive. It's simple as that. Other lfs will slowly die off after 1-2 weeks. Its a bit pricier but no dead fish after bringing them home.”
— Lam Le4.0a month ago“After buying plants here my tank became ridden with snails, hydroids, and planarian flatworms...Also really pricey, but the selection and quality of organisms are great.”
— Joseph-Blue Sun1.0a month ago“Very friendly and helpful staff. I’m new to the hobby and did not feel intimidated at all. Large and clean tanks, seems much more ethical than other aquarium shops I have been in.”
— Caitlin Souders5.02 months ago“I get a lot of help when I come here, all the fish I've purchased have been very healthy.. I do wish they had a phone number but I understand the strategy.”
— jay swaich5.02 months ago“The staff here is amazing and their fish quality/selection is top notch. I'm not aware of a better aquarium store in the south bay.”
— Ben Sanford5.0Edited 2 months ago“Top tier aquarium store in the Bay Area! It is a little pricier but the fish quality is really good and I have not experienced any disease or infection with my purchase.”
— Velvet Shen5.02 months ago“Beautiful store but a little pricey”
— Daryl Wash4.02 months ago
Reference
Frequently asked questions
Note — Store information and services may change. Always call ahead to confirm current availability, hours, and services before visiting Neptune Aquatics.