Search Species
Search for fish species by common or scientific name, or use filters to browse by water type, size, temperament, and difficulty.
Found 119 species
Chocolate-colored catfish
Rineloricaria lanceolata
This is a slim little whiptail (a Loricariid) that spends most of its time gliding over sand and leaves, picking at biofilm like a tiny vacuum cleaner. Give it driftwood, caves, and calm tankmates and it turns into a super chill, sneaky-bottom-dweller with that awesome long whip tail and high dorsal fin.
Cobalt blue goby
Stiphodon semoni
Stiphodon semoni is one of those little river gobies that spends its whole day perched on rocks, scooting around, and grazing biofilm/aufwuchs like a tiny underwater goat. Give it clean, oxygen-rich water and a nice algae-y rockscape, and the males especially can look unreal with that blue-green sheen and bands.
Common fusegoby
Fusigobius neophytus
A tiny sand-perching goby from Indo-Pacific reefs, it spends its days sitting on rubble or sand patches and making quick dashes for tiny prey. The body is semi-translucent with fine speckling and a small black spot on the first dorsal, and it usually shows up alone or in small loose groups.
Common otocinclus
Otocinclus vittatus
O. vittatus is that tiny little "oto" you see plastered to plant leaves and the glass, just quietly vacuuming up soft algae and biofilm all day. The big trick with them is they're amazing grazers, but they can absolutely run out of food in a too-clean/new tank, so you've got to plan on supplementing with algae wafers/blanched veg.
Darkspotted catfish
Aspidoras fuscoguttatus
A tiny, spotty cousin of the corydoras that stays around an inch and a half, this catfish likes to scoot in little groups across sandy bottoms. It is a facultative air-breather and will dash up for a gulp, which is fun to watch in a calm community tank.
Denison barb
Sahyadria denisonii
This is that sleek "torpedo" barb with the red racing stripe and black line-built for constant cruising in the middle of the tank. They're happiest in a proper group with lots of open swim room and really clean, oxygen-rich water with some flow. Get a school going and they look like a little pack of mini river missiles.
Diamond Tetra
Moenkhausia pittieri
Diamond tetras are one of those fish that look kind of plain in the bag, then you get them settled in and they start throwing off this glittery, diamond-like shine when the light hits them-super satisfying to watch. They're active, always cruising around the midwater, and in a nice little school they'll do that tight, synchronized swimming thing that makes the tank feel alive.
Diamond Watchman Goby
Valenciennea puellaris
This is that sand-sifting goby you'll see cruising the bottom, taking huge mouthfuls of sand and spitting it out like a little construction crew. It's awesome for keeping a sandy substrate looking clean, but it'll also redecorate-so anything sitting on the sand is gonna get buried or undermined sooner or later. Super cool personality too, especially once it picks a favorite burrow and starts "working" all day.
Dwarf chain loach
Ambastaia sidthimunki
This is the little "Sid" loach people fall in love with once they see a whole group doing their goofy zoomies and clicking at each other. They stay tiny but act like big loaches - always busy, always social, and way more confident when you keep them in a proper gang. Give them sand, hiding spots, and lots of buddies and they really shine.
Dwarf Neon Rainbowfish
Melanotaenia praecox
These little rainbows are like living sparks-electric blue bodies with those punchy red/orange fins, and they look even better the more you keep together. They're constantly cruising the mid-water, flashing at each other and doing that classic rainbowfish "look at me" shimmy, especially when the lights first come on or at feeding time.
Eastern mudminnow
Umbra pygmaea
Eastern mudminnow (Umbra pygmaea) is a small freshwater umbrid native to eastern North America that inhabits slow, vegetated waters such as swamps, ponds, and ditches. It feeds mainly on insect larvae and small aquatic invertebrates and is noted for tolerance of low-oxygen wetland habitats.
-1771643191.jpg)
Elongate mudskipper (pointed-tailed goby)
Pseudapocryptes elongatus (syn. Pseudapocryptes lanceolatus)
This is that super-cool "mudskipper-ish" goby that mostly stays in the water, but will park itself in the shallows and periscope its eyes above the surface like it's keeping watch. It's an obligate air-breather from tidal rivers/estuaries, so it really appreciates shallow, brackish setups with soft mud/sand and gentle flow-more of a mangrove vibe than a typical community tank.