Search Species
Search for fish species by common or scientific name, or use filters to browse by water type, size, temperament, and difficulty.
Water Type
Search for fish species by common or scientific name, or use filters to browse by water type, size, temperament, and difficulty.
Found 103 species
Luminichthys noctifera
The Glow Light Tetra, known scientifically as Luminichthys noctifera, is a strikingly vibrant fish renowned for its glowing fluorescence under blue or ultraviolet light. These small, schooling fish exhibit a translucent body that often appears in shades of blue or green, with a horizontal stripe that runs along their side.
Melanotaenia boesemani
Boesemani rainbows are basically little swimming fireworks once they settle in-males get that wild split-color look (blue up front, orange in back) and they'll flash and posture at each other all day. They're super active and way happier in a real group with a long tank to cruise, not a cramped setup where they can't stretch out.
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.
Microdevario kubotai
This is that tiny, glassy-yellow fish that turns into a little green highlighter once it settles into an aquarium-especially over a dark substrate and under decent lighting. They're super active mid-water shoalers, and the whole group "flashing" that neon stripe together is the main event. Keep them in a proper group and they get way bolder and look a lot more intense.
Mikrogeophagus ramirezi
Rams are tiny little cichlids with big-time attitude (in the cutest way) and insane sparkle-those blues, yellows, and that black face bar really pop when they're happy. They're also one of the warmer-water dwarf cichlids, and they'll show off pair behavior and even spawn on flat stones if you keep the tank clean and calm.
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.
Monodactylus argenteus
Silver moonies are those shiny, diamond-shaped "mono" fish you see cruising nonstop in brackish tanks-super active and way more fun to watch when they're in a proper group. They start out in estuaries (often sold too small and too fresh), and the big "gotcha" is they really want you to ramp them up to stronger brackish/near-marine as they grow. Feed them like a hungry, messy omnivore and give them swimming room, and they're absolute show-stealers.
Monodactylus sebae
This is that shiny, diamond-shaped "mono" that cruises around in a tight pack and looks like a little silver dinner plate with black bars when it's young. The big thing with African moonies is they're euryhaline-so they'll tolerate freshwater as juveniles, but they really shine long-term in brackish (and can be transitioned toward marine as they mature). Give them a big, open tank and a group, and they turn into nonstop, super fun midwater swimmers.
Nannostomus beckfordi
Beckford's pencilfish is that sleek little "stick with fins" that likes to hang in the upper half of the tank at a slight angle and flash a crisp dark stripe. Keep a proper group and you'll see males do these tiny sparring/display moments (no real damage) and the whole school just looks super classy over dark substrate and plants.
Nemateleotris magnifica
This is that little "hover-and-dart" reef fish with the yellow face and the white-to-red fade that looks like it was airbrushed on. It'll pick a bolt-hole in the rockwork, hang in the water column facing the current, and do that cute little flag-flick with the tall first dorsal fin when it's feeling bold.
Nematobrycon palmeri
Emperor tetras are those classy little Colombian characins with the dark horizontal stripe and the males' awesome trident/lyretail look. Keep a decent-sized group and you'll see the males do their little posturing displays without really hurting each other, especially in a planted tank with some shade.
Nomorhamphus celebensis
This is a cool little Sulawesi halfbeak that spends most of its time cruising the surface and picking food right off the top. They do best in a small group with lots of surface cover (floating plants are perfect), and they really reward you if you keep the water clean and stable. Also worth knowing: a lot of info online mixes up their exact habitat, and that can lead people to keep them too warm.