Search Species
Search for fish species by common or scientific name, or use filters to browse by water type, size, temperament, and difficulty.
Found 289 species
Saadi dwarf stone loach
Turcinoemacheilus saadii
This is a little Iranian stone loach that lives glued to the bottom in fast, rocky streams, kinda like a tiny current-loving goby-but its a loach. The body has 7-9 dark saddle-shaped bands instead of a solid stripe, and it is built for scooting around coarse gravel and boulders in strong flow. Its not really an aquarium trade fish, but if you ever did keep one, you would set it up like a mini river tank with tons of oxygen and current.
Salt and pepper cory (Habrosus cory)
Corydoras habrosus
This is the tiny "salt and pepper" cory that scoots around the bottom like a little wind-up toy, constantly sifting and picking through the sand. Keep them in a real group and they get way bolder-lots of quick little dashes, little pauses, and then back to foraging. They're also one of those fish that really rewards a soft sandy bottom and calm tankmates.
Samanti loach
Oxynoemacheilus seyhanensis
Oxynoemacheilus seyhanensis is a small Turkish brook loach from the Seyhan river system area - a bottom-hugger that wants clean, oxygen-rich water and lots of cover down low. In the wild it is a river fish and it's listed as Critically Endangered, so its real "cool factor" is more about being a rare, localized species than something you'll reliably see for sale.
San Marcos redtail splitfin
Xenotoca doadrioi
This is a little Mexican goodeid livebearer where the males do that awesome "blue body + orange/red tail" thing when they color up. They're super active, always grazing and pecking at surfaces, and they really appreciate cooler, clean, well-oxygenated water compared to your typical tropical livebearers.
Sangha rough catfish
Trachyglanis sanghensis
Trachyglanis sanghensis is a small African loach catfish (family Amphiliidae) known from the Sangha River near Ouesso in the Congo Basin (Republic of the Congo). Reported maximum size is about 5 cm TL.
Saul's whale catfish
Denticetopsis sauli
This is one of those ultra-tiny South American whale catfish that most people will never see in the trade - it tops out around 2 cm. Its whole vibe is "secretive little bottom-hanger" from blackwater-style habitats, so in an aquarium it would spend a lot of time tucked into leaf litter and small caves if you could even source one.
Schmidt's hillstream catfish
Glyptothorax schmidti
This is one of the little Asian hillstream catfish that lives in fast, cool, super-oxygenated water and literally clings to rocks with a sticky belly pad. In an aquarium its whole vibe is "powerhead + smooth stones + pristine water," and if you nail that setup its rock-hugging behavior is seriously cool to watch.
Seerussling
Vimba elongata
Vimba elongata (Seerussling) is a temperate European cyprinid from the Danube basin, especially alpine lakes in southern Bavaria and Upper Austria. It is a slim, silvery bottom-forager that roots around for small benthic critters, more like a wild "nase/bream" vibe than a typical colorful aquarium fish.
Sheepshead swordtail
Xiphophorus birchmanni
A wild swordtail from eastern Mexico that loves fast, splashy streams and shows off bold vertical bars and a big, yellow-speckled dorsal. Males barely carry a sword at all, which always surprises folks, but they make up for it with tons of personality when kept in a roomy, well-oxygenated tank.
Short Zaireichthys (dwarf loach catfish)
Zaireichthys brevis
Zaireichthys brevis is a tiny little African loach catfish from the Congo River basin - think "micro catfish" that spends its time down on the bottom. Its wild habitat is sandy stretches of big river, so it tends to appreciate fine sand and some rocks/cover, and it is more of a look-and-enjoy species than an interactive pet.
Short-bodied white-armored fish
Onychostoma breve
Onychostoma breve is a small river carp from the Yangtze River system in China, topping out around 14.6 cm standard length. Its whole vibe is a streamlined, current-loving minnow that wants lots of oxygen and moving water, so it is way happier in a river-style setup than a typical calm community tank.
Short-sword platyfish
Xiphophorus continens
Xiphophorus continens is a tiny little wild-type livebearer from the Rio Panuco drainage in Mexico, and the males have just a short "stub" sword instead of the big flowing one you see on common swordtails. They really shine in a planted, oxygen-rich tank with some current, where you can watch the males do their low-key "sneaker" style mating behavior and the females quietly cruise the plants.