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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.

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Found 41 species

AI-generated illustration of Betta
Freshwater
AI Generated
Photo

Betta

Betta splendens

Betta fish, also known as Siamese fighting fish, are popular for their striking colors and flowing fins. They are known for their territorial nature, especially males, which can display aggressive behavior towards each other.

Small Semi-aggressive Beginner
Min. 5 gal
AI-generated illustration of Black Neon Tetra
Freshwater
AI Generated
Photo

Black Neon Tetra

Hyphessobrycon herbertaxelrodi

Black neons are one of those little tetras that look kinda understated until the light hits them-then that bright stripe pops and they shimmer when the school turns together. They're super chill, always cruising mid-water, and they make a tank feel "alive" without being hectic. If you keep a nice group, they get bolder and you'll see way more of their personality.

Small Peaceful Beginner
Min. 20 gal
AI-generated illustration of Black Skirt Tetra (Black Widow Tetra)
Freshwater
AI Generated
Photo

Black Skirt Tetra (Black Widow Tetra)

Gymnocorymbus ternetzi

Black skirts are those little "suit-and-tie" tetras with the dark bands and flowing fins that look way fancier than they should for how tough they are. They're super active midwater fish, and when you keep a proper group they do that tight, zippy schooling thing that makes the whole tank feel alive. Just give them enough buddies and finny tankmates they won't be tempted to nip.

Small Peaceful Beginner
Min. 20 gal
AI-generated illustration of Blacktip rasbora
Freshwater
AI Generated
Photo

Blacktip rasbora

Rasbora dorsinotata

This is a slim little Southeast Asian rasbora with a clean dark lateral stripe and a neat black tip on the dorsal fin. In a group it gets way more confident and you will see that tight midwater schooling behavior, especially in a planted tank with some flow.

Small Peaceful Beginner
Min. 21 gal
AI-generated illustration of Bristlenose Pleco (Common Bristlenose)
Freshwater
AI Generated
Photo

Bristlenose Pleco (Common Bristlenose)

Ancistrus cirrhosus

The Bristlenose Pleco is a small catfish with a sucker mouth, armored body, and distinctive bristles on its face, especially in males. It is primarily nocturnal and spends much of its time grazing on biofilm and algae from surfaces, making it a popular, hardy "algae-eater" in community aquariums.

Small Peaceful Beginner
Min. 30 gal
AI-generated illustration of Bronze Corydoras
Freshwater
AI Generated
Photo

Bronze Corydoras

Corydoras aeneus

The Bronze Corydoras is a charming and highly popular freshwater fish known for its peaceful nature and striking bronze coloration. It has a stout body with barbels around its mouth, allowing it to forage effectively on the substrate. Often seen in schools, this species is well-loved for its social behavior and bottom-dwelling habits.

Small Peaceful Beginner
Min. 20 gal
AI-generated illustration of Cherry barb
Freshwater
AI Generated
Photo

Cherry barb

Rohanella titteya

Cherry barbs are small Sri Lankan barbs; males intensify to deep red (especially when breeding). They're generally peaceful and can be shy unless kept in a group, and they look best in planted aquariums with subdued lighting and darker substrate.

Small Peaceful Beginner
Min. 25 gal
AI-generated illustration of Diamond Tetra
Freshwater
AI Generated
Photo

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.

Small Peaceful Beginner
Min. 20 gal
AI-generated illustration of Dwarf Neon Rainbowfish
Freshwater
AI Generated
Photo

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.

Small Peaceful Beginner
Min. 20 gal
AI-generated illustration of Ember tetra
Freshwater
AI Generated
Photo

Ember tetra

Hyphessobrycon amandae

Ember tetras are tiny little orange "glow fish" tetras that look insanely good over a dark substrate with plants and a bit of leaf litter. They're happiest in a proper little gang, and when they settle in and feel safe the whole school starts moving like one warm, flickery cloud.

Nano Peaceful Beginner
Min. 10 gal
AI-generated illustration of Emperor tetra
Freshwater
AI Generated
Photo

Emperor tetra

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.

Small Peaceful Beginner
Min. 20 gal
AI-generated illustration of Endler's livebearer
Freshwater
AI Generated
Photo

Endler's livebearer

Poecilia wingei

Endlers are basically tiny little firecrackers-males stay small but flash a ton of neon color and never stop cruising the tank. They're super social and active, and if you keep males and females together you'll have babies before you've even finished tweaking the aquascape.

Nano Peaceful Beginner
Min. 5 gal
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