Shoal & Stem

Species Catalogue

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

fish
intermediate

Senegal Bichir

Polypterus senegalus

fishfreshwater
12″·75+ gal·semi-aggr.
fish
beginner

Serpae Tetra

Hyphessobrycon eques

fishfreshwater
1.75″·15+ gal·group 6+·semi-aggr.
fish
beginner

Severum

Heros severus

fishfreshwater
8″·55+ gal·semi-aggr.
fish
Mmedium

Sharpnose Chocolate Gourami

Sphaerichthys acrostoma

fishfreshwater
1.2″·10+ gal·group 4+·peaceful
fish
beginner

Shell Dweller Cichlid

Lamprologus ocellatus

fishfreshwater
2″·20+ gal·semi-aggr.
fish
beginner

Shortfin Molly

Poecilia mexicana

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

Shubunkin Goldfish

Carassius auratus

fishfreshwater
12″·40+ gal·peaceful
fish
beginner

Siamese Algae Eater

Crossocheilus oblongus

fishfreshwater
6″·30+ gal·semi-aggr.
fish
intermediate

Silver Angelfish

Pterophyllum scalare

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

Silver Dollar

Metynnis argenteus

fishfreshwater
6″·55+ gal·group 5+·peaceful
fish
intermediate

Silver Hatchetfish

Gasteropelecus sternicla

fishfreshwater
2.5″·20+ gal·group 6+·peaceful
fish
beginner

Silvertip Tetra

Hasemania nana

fishfreshwater
1.5″·10+ gal·group 6+·semi-aggr.
fish
beginner

Similis Corydoras

Corydoras similis

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

Six Line Wrasse

Pseudocheilinus hexataenia

fishsaltwater
4″·30+ gal·semi-aggr.
fish
Mmedium

Skunk Botia

Yasuhikotakia morleti

fishfreshwater
5″·40+ gal·group 5+·peaceful
fish
beginner

Skunk Corydoras

Corydoras arcuatus

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

Slimy Myersi Kuhli

Pangio myersi

fishfreshwater
3.5″·20+ gal·group 3+·peaceful
fish
beginner

Smiling Cichlid

Laetacara curviceps

fishfreshwater
3″·20+ gal·group 2+·peaceful
fish
intermediate

Smokey Angelfish

Pterophyllum scalare

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

Snake Chest Endler

Poecilia wingei

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

Snakehead Betta

Betta channoides

fishfreshwater
2.5″·10+ gal·semi-aggr.
fish
advanced

Snakeskin Discus

Symphysodon sp.

fishfreshwater
6″·55+ gal·group 4+·peaceful
fish
intermediate

Snakeskin Gourami

Trichopodus pectoralis

fishfreshwater
10″·40+ gal·peaceful
fish
beginner

Snakeskin Guppy

Poecilia reticulata

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

Snowball Pleco

Hypancistrus inspector

fishfreshwater
3.5″·20+ gal·peaceful
fish
intermediate

Snowflake Moray

Echidna nebulosa

fishsaltwater
24″·55+ gal·semi-aggr.
fish
beginner

Sodalis Corydoras

Corydoras sodalis

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

South American Puffer

Colomesus asellus

fishfreshwater
3.5″·30+ gal·group 3+·semi-aggr.
fish
beginner

Spade Tail Betta

Betta splendens

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

Spanner Barb

Barbodes lateristriga

fishfreshwater
7″·40+ gal·group 5+·peaceful
fish
beginner

Sparkling Gourami

Trichopsis pumila

fishfreshwater
1.5″·10+ gal·group 3+·peaceful
fish
Xexpert

Spike-Tail Licorice Gourami

Parosphromenus ornaticauda

fishfreshwater
1.2″·10+ gal·peaceful
fish
intermediate

Splash Tetra

Copella arnoldi

fishfreshwater
3″·20+ gal·group 4+·peaceful
fish
beginner

Splendid Rainbowfish

Melanotaenia splendida

fishfreshwater
4″·30+ gal·group 6+·peaceful
fish
intermediate

Spotted Blue Eye Rainbowfish

Pseudomugil gertrudae

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

Spotted Checkerboard Cichlid

Dicrossus maculatus

fishfreshwater
1.5″·10+ gal·peaceful