Shoal & Stem

Species Catalogue

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

fish
easy

Turquoise Rainbowfish

Melanotaenia lacustris

fishfreshwater
4.5″·30+ gal·group 6+·peaceful
fish
easy

Tuxedo Guppy

Poecilia reticulata

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

Tuxedo Platy

Xiphophorus maculatus

fishfreshwater
2.5″·10+ gal·group 3+·peaceful
fish
medium

Twig Catfish

Farlowella acus

fishfreshwater
6″·30+ gal·peaceful
fish
medium

Two-Striped Lampeye

Chromaphyosemion bitaeniatum

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

Twostripe Aphyosemion

Aphyosemion bivittatum

fishfreshwater
1.5″·10+ gal·semi-aggr.
fish
hard

Uaru

Uaru amphiacanthoides

fishfreshwater
10″·75+ gal·peaceful
fish
easy

Upside-Down Catfish

Synodontis nigriventris

fishfreshwater
4″·20+ gal·group 4+·peaceful
fish
medium

Valentini Puffer

Canthigaster valentini

fishsaltwater
4″·40+ gal·semi-aggr.
fish
easy

Variatus Platy

Xiphophorus variatus

fishfreshwater
2.5″·10+ gal·peaceful
fish
medium

Veil Angelfish

Pterophyllum scalare

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

Veiltail Betta

Betta splendens

fishfreshwater
3″·5+ gal·semi-aggr.
fish
easy

Venezuelan Corydoras

Corydoras venezuelanus

fishfreshwater
2.5″·15+ gal·group 6+·peaceful
fish
medium

Venustus Cichlid

Nimbochromis venustus

fishfreshwater
10″·75+ gal·aggressive
fish
medium

Viejita Dwarf Cichlid

Apistogramma viejita

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

Vietnamese Cardinal Minnow

Tanichthys micagemmae

fishfreshwater
1.5″·10+ gal·group 6+·peaceful
fish
medium

Volitans Lionfish

Pterois volitans

fishsaltwater
15″·120+ gal·semi-aggr.
fish
easy

Wagtail Platy

Xiphophorus maculatus

fishfreshwater
2.5″·10+ gal·group 3+·peaceful
fish
medium

Walker's Killifish

Fundulopanchax walkeri

fishfreshwater
1.5″·10+ gal·peaceful
fish
medium

Weitzmani Corydoras

Corydoras weitzmani

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

Western Rainbowfish

Melanotaenia australis

fishfreshwater
4″·30+ gal·group 4+·peaceful
fish
easy

Whiptail Catfish

Rineloricaria lanceolata

fishfreshwater
5″·30+ gal·peaceful
fish
easy

White Medaka

Oryzias latipes

fishfreshwater
1.5″·10+ gal·group 6+·peaceful
fish
easy

White Molly

Poecilia sphenops

fishfreshwater
3″·15+ gal·group 3+·peaceful
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.