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Search for fish species by common or scientific name, or use filters to browse by water type, size, temperament, and difficulty.
Found 59 species
Glow Light Tetra
Hemigrammus erythrozonus
The Glowlight Tetra (Hemigrammus erythrozonus) is a small, peaceful South American schooling tetra with a translucent silvery body and a distinctive iridescent orange-red stripe running from the snout to the base of the tail.
Golden pencilfish
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.
Goldfish
Carassius auratus
Goldfish are one of the most popular and recognizable freshwater fish in the aquarium hobby. They are known for their golden-orange coloration, although they can also appear in red, white, yellow, and black. Goldfish are highly adaptable and can thrive in a variety of conditions, making them a favorite among beginners.
Green Swordtail
Xiphophorus hellerii
Swordtails are busy, always-on-the-move livebearers, and the males' "sword" tail extension is the whole show-lots of displaying and posturing in the open water. They're tough as nails in hard, slightly alkaline water, but in tight tanks the males will absolutely bicker and chase each other around.
Guppy
Poecilia reticulata
The Guppy is one of the most popular freshwater fish among aquarium enthusiasts due to its colorful appearance and lively nature. These fish have a wide range of vibrant colors and tail shapes, making them a visual delight in any aquarium. Guppies are known for their peaceful temperament and ease of care, making them ideal for both beginner and experienced fishkeepers.
Harlequin Rasbora
Trigonostigma heteromorpha
Harlequin rasboras are those little coppery-orange fish with the bold black "wedge" on their sides that somehow look even better once they're cruising in a group. Give them a nice school and some plants to weave through and they'll do this tight, synchronized swimming thing that's honestly kind of hypnotic.
Head-and-Tail Light Tetra
Hemigrammus ocellifer
This little tetra does a neat trick in the light-there's a shiny "headlight" spot near the gills and a glowing "taillight" at the base of the tail, so the whole school kind of sparkles as they turn. They're super chill in a group, and they look way better the bigger the shoal is and the more plants you give them to cruise through.
Honey gourami
Trichogaster chuna
Honey gouramis are those little chill labyrinth fish that spend a lot of time cruising the upper half of the tank and "feeling" around with their long thread-like belly fins. Give them plants (especially floaters) and calm tankmates and they really settle in-males can glow that warm honey/orange color and will build bubble nests at the surface.
Johnston Island damsel
Plectroglyphidodon johnstonianus
This is one of those tough little reef damsels that acts like it owns the whole rock pile, especially once it settles in. Maxes out around 14 cm and will absolutely defend a favorite cave or coral head, but the blue eye and chunky "wide bar" look make it a really cool fish if you plan the tank around its attitude.
Kribensis
Pelvicachromis pulcher
Kribensis are one of those dwarf cichlids that pack a ton of personality into a small fish-especially once they pick a cave and start acting like proud homeowners. The female's purple/red belly when she's in breeding mode is the real show-stealer, and the pair will do seriously impressive parent-care if they spawn.
Lambchop rasbora
Trigonostigma espei
This is that tiny coppery-orange rasbora with the sharp "lambchop" black wedge on its side-super slick-looking in a planted tank. Keep a proper little gang of them and they'll cruise the midwater together, flashing color way more than when they're kept in a sad little trio. They're gentle, easy to feed, and honestly one of my favorite small-school fish for calmer community setups.
Lemon Tetra
Hyphessobrycon pulchripinnis
Lemon tetras are one of those fish that look kind of subtle at first, then you catch the light and the whole body glows yellow with those punchy black-and-yellow fins. Get them in a proper little group and they're constantly cruising together, super active but not obnoxious. I also love how their red eyes pop when they're settled in and feeling good.