Care Guides for Fish
Evidence-based husbandry guides for reptiles, birds, mammals, and more.
🐠 Fish
Angelfish
The elegant Amazonian cichlid that pairs for life and rules its corner of the tank!
Betta Fish
The flowing-finned solo showoff that thrives in its own space and recognizes its keeper!
Bristlenose Pleco
The bristly-nosed algae grazer that politely stays small!
Cardinal Tetra
The neon tetra's flashier cousin, lit up red from nose to tail!
Corydoras Catfish
The armored little bottom-cleaner that schools, snoozes, and shimmies to the surface for air!
Discus
The king of the aquarium, and it knows exactly how good it looks!
Goldfish
The pond classic that outgrows the bowl, the myth, and your expectations!
Guppy
The colorful, prolific livebearer that turns a starter tank into a thriving colony fast!
Koi
The living jewels of the pond world that can genuinely outlive their keepers!
Molly
The easygoing livebearer that shrugs at water most fish would sulk in!
Neon Tetra
The tiny electric-blue schooler that turns any planted tank into a shimmering river scene!
Oscar
The big-personality cichlid that recognizes its keeper and rearranges the tank on a whim!
Platy
The endlessly colorful beginner livebearer that's about as close to foolproof as fish get!
Swordtail
The active, sword-tailed livebearer that's basically a guppy's bigger, livelier cousin!
Zebra Danio
The tireless little striped torpedo that never stops commuting!