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Found 119 species

AI-generated illustration of Honey gourami
Freshwater
AI Generated
Photo

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.

Small Peaceful Beginner
Min. 10 gal
AI-generated illustration of Indian glassy fish
Freshwater
AI Generated
Photo

Indian glassy fish

Parambassis ranga

This is the classic see-through "glassfish" where you can literally see the bones and organs-super cool in a planted tank with calm tankmates. They're happiest when you keep a little crew of them (they get braver and way more active in a group). Also: skip any dyed/painted ones-those fish are usually in rough shape from the process.

Small Peaceful Intermediate
Min. 20 gal
AI-generated illustration of Lambchop rasbora
Freshwater
AI Generated
Photo

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.

Nano Peaceful Beginner
Min. 15 gal
AI-generated illustration of Lemon Tetra
Freshwater
AI Generated
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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.

Small Peaceful Beginner
Min. 15 gal
AI-generated illustration of Linke’s Licorice Gourami
Freshwater
AI Generated
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Linke’s Licorice Gourami

Parosphromenus linkei

This is one of those tiny, dark little gouramis that looks kind of understated in a store tank... until it settles in and the male starts flashing those deep reds and blues with the fancy fin edging. They're shy and a bit secretive, but when you keep them the way they like (soft, acidic, calm), they turn into these surprisingly bold little show-offs around spawning time.

Nano Peaceful Advanced
Min. 13 gal
AI-generated illustration of Lowe's tetra
Freshwater
AI Generated
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Lowe's tetra

Hyphessobrycon loweae

This is a tiny Upper Xingu tetra that can glow gold in the right light, with males showing that cool elongated dorsal fin. It does best when you keep a real group and give it a calm, planted setup so it feels bold enough to come out and color up.

Nano Peaceful Intermediate
Min. 20 gal
AI-generated illustration of Mandarinfish
Marine
AI Generated
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Mandarinfish

Synchiropus splendidus

This is the classic mandarin dragonet-the little reef crawler that looks like someone hand-painted neon blue and orange squiggles onto a fish. It spends basically all day pecking at live rock for tiny pods, and at dusk you can sometimes catch the pair-spawning "rise" if you keep a bonded male/female. Absolutely reef-safe, but it's one of those fish that does amazing only when the tank is truly mature and full of microfauna.

Small Peaceful Advanced
Min. 30 gal
AI-generated illustration of Meinken's lyretail
Freshwater
AI Generated
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Meinken's lyretail

Fundulopanchax oeseri

Fundulopanchax oeseri is a small West African lyretail killifish endemic to Bioko (Equatorial Guinea). Aphyosemion trilineatum (often misspelled “trilineatus”) is a junior synonym of this species; other historical names include Aphyosemion meinkeni and Aphyosemion santaisabellae. Males show blue‑green flanks with fine red lines, and this expert jumper prefers cool, very soft, acidic water.

Small Peaceful Advanced
Min. 6 gal
AI-generated illustration of Munahosi cardinalfish
Marine
AI Generated
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Munahosi cardinalfish

Ostorhinchus cheni

Think of a deepwater cardinalfish with a moody, reddish body, two slim dusky stripes, and a bold spot at the tail base. It hangs in the shadows, cruises slowly, and the male mouthbroods eggs, which is wild to watch if you ever see it happen. Super cool fish, but it comes from 70-100 m and prefers cooler marine temps, so it is definitely a specialist project.

Medium Peaceful Expert
Min. 55 gal
AI-generated illustration of Needlespine coral goby
Marine
AI Generated
Photo

Needlespine coral goby

Gobiodon acicularis

A tiny coral-dwelling goby that perches among branching SPS corals and can be nearly jet-black to brown. It is the only Gobiodon with a filament-like first dorsal spine, which looks wild when it flicks it while displaying.

Nano Peaceful Intermediate
Min. 10 gal
AI-generated illustration of Neon Green Rasbora
Freshwater
AI Generated
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Neon Green Rasbora

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.

Nano Peaceful Beginner
Min. 15 gal
AI-generated illustration of Neon Tetra
Freshwater
AI Generated
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Neon Tetra

Paracheirodon innesi

The Neon Tetra is a small, brightly colored fish known for its vibrant blue and red stripes that run the length of its body. It is a favorite among aquarists due to its striking appearance and peaceful nature. Neon Tetras are schooling fish that thrive in groups, adding a lively and colorful presence to any aquarium.

Small Peaceful Beginner
Min. 10 gal
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