Shoal & Stem

Species Catalogue

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

fish
medium

Royal Pleco

Panaque nigrolineatus

fishfreshwater
17″·120+ gal·peaceful
fish
easy

Rubber Lip Pleco

Chaetostoma milesi

fishfreshwater
5″·25+ gal·peaceful
fish
medium

Ruby Tetra

Axelrodia riesei

fishfreshwater
0.8″·5+ gal·group 8+·peaceful
fish
medium

Rummy Nose Rasbora

Sawbwa resplendens

fishfreshwater
1″·10+ gal·group 8+·peaceful
fish
easy

Rusty Cichlid

Iodotropheus sprengerae

fishfreshwater
3.5″·20+ gal·peaceful
fish
easy

Ryukin Goldfish

Carassius auratus

fishfreshwater
8″·20+ gal·peaceful
fish
medium

Saddleback Clownfish

Amphiprion polymnus

fishsaltwater
4.5″·30+ gal·semi-aggr.
fish
medium

Saddled Bichir

Polypterus endlicheri

fishfreshwater
30″·150+ gal·semi-aggr.
fish
easy

Sailfin Molly

Poecilia latipinna

fishfreshwater
4″·30+ gal·group 3+·peaceful
fish
medium

Sailfin Pleco

Pterygoplichthys gibbiceps

fishfreshwater
24″·150+ gal·peaceful
fish
medium

Sailfin Tang

Zebrasoma veliferum

fishsaltwater
15″·100+ gal·semi-aggr.
fish
easy

Salt & Pepper Platy

Xiphophorus maculatus

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

Salvin's Cichlid

Cichlasoma salvini

fishfreshwater
8″·55+ gal·aggressive
fish
hard

Samurai Gourami

Sphaerichthys vaillanti

fishfreshwater
2″·15+ gal·peaceful
fish
medium

Sardine Cichlid

Cyprichromis leptosoma

fishfreshwater
3.5″·30+ gal·group 6+·peaceful
fish
medium

Satanoperca Eartheater

Satanoperca leucosticta

fishfreshwater
8″·55+ gal·group 4+·peaceful
fish
medium

Scarlet Badis

Dario dario

fishfreshwater
1″·10+ gal·semi-aggr.
fish
easy

Schwartzi Corydoras

Corydoras schwartzi

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

Scissortail Dartfish

Ptereleotris evides

fishsaltwater
4″·30+ gal·group 2+·peaceful
fish
easy

Scissortail Rasbora

Rasbora trilineata

fishfreshwater
5″·30+ gal·group 8+·peaceful
fish
easy

Scopas Tang

Zebrasoma scopas

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

Senegal Bichir

Polypterus senegalus

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

Serpae Tetra

Hyphessobrycon eques

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

Severum

Heros severus

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

Sharpnose Chocolate Gourami

Sphaerichthys acrostoma

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

Shell Dweller Cichlid

Lamprologus ocellatus

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

Shortfin Molly

Poecilia mexicana

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

Shubunkin Goldfish

Carassius auratus

fishfreshwater
12″·40+ gal·peaceful
fish
easy

Siamese Algae Eater

Crossocheilus oblongus

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

Silver Angelfish

Pterophyllum scalare

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

Silver Dollar

Metynnis argenteus

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

Silver Hatchetfish

Gasteropelecus sternicla

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

Silvertip Tetra

Hasemania nana

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

Similis Corydoras

Corydoras similis

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

Similis Shell Dweller

Neolamprologus similis

fishfreshwater
1.5″·10+ gal·peaceful
fish
easy

Six Line Wrasse

Pseudocheilinus hexataenia

fishsaltwater
4″·30+ gal·semi-aggr.