Shoal & Stem

Species Catalogue

813 species matching your filters — care guides, community photos, water parameters, and tank-mate compatibility.

fish
easy

Wild Type Guppy

Poecilia reticulata

fishfreshwater
2″·10+ gal·group 3+·peaceful
fish
expert

Wolf Fish

Hoplias malabaricus

fishfreshwater
35″·150+ gal·aggressive
fish
medium

Wrestling Halfbeak

Dermogenys pusilla

fishfreshwater
2.8″·15+ gal·semi-aggr.
fish
easy

Yellow Assessor

Assessor flavissimus

fishsaltwater
2.5″·20+ gal·peaceful
fish
easy

Yellow Phantom Tetra

Hyphessobrycon roseus

fishfreshwater
1.2″·10+ gal·group 6+·peaceful
fish
easy

Yellow Swordtail

Xiphophorus hellerii

fishfreshwater
4.5″·20+ gal·group 3+·peaceful
fish
easy

Yellow Tang

Zebrasoma flavescens

fishsaltwater
8″·75+ gal·semi-aggr.
fish
easy

Yellow Tiger Endler

Poecilia wingei

fishfreshwater
1.2″·5+ gal·group 3+·peaceful
fish
easy

Yellow Watchman Goby

Cryptocentrus cinctus

fishsaltwater
3.5″·30+ gal·peaceful
fish
easy

Yellowhead Jawfish

Opistognathus aurifrons

fishsaltwater
4″·30+ gal·group 3+·peaceful
fish
easy

Yellowtail Blue Damsel

Chrysiptera parasema

fishsaltwater
2.5″·30+ gal·semi-aggr.
fish
easy

Yoyo Loach

Botia almorhae

fishfreshwater
2.5″·20+ gal·group 4+·semi-aggr.
fish
easy

Yucatan Molly

Poecilia velifera

fishfreshwater
6″·40+ gal·group 3+·peaceful
fish
medium

Zebra Angelfish

Pterophyllum scalare

fishfreshwater
6″·30+ gal·group 2+·semi-aggr.
fish
easy

Zebra Loach

Botia striata

fishfreshwater
3.5″·20+ gal·group 5+·semi-aggr.
fish
medium

Zebra Otocinclus

Otocinclus cocama

fishfreshwater
1.8″·10+ gal·group 4+·peaceful
fish
hard

Zebra Pleco

Hypancistrus zebra

fishfreshwater
3.5″·30+ gal·peaceful
fish
medium

Zig-Zag Eel

Mastacembelus armatus

fishfreshwater
24″·55+ gal·semi-aggr.
fish
medium

Zipper Loach

Acanthocobitis botia

fishfreshwater
3″·20+ gal·group 3+·peaceful
fish
medium

Zodiac Loach

Mesonoemacheilus triangularis

fishfreshwater
3″·20+ gal·group 3+·peaceful
fish
easy

Zygatus Corydoras

Corydoras zygatus

fishfreshwater
2″·15+ gal·group 6+·peaceful