Shoal & Stem

Species Catalogue

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

fish
easy

Red Devil Molly

Poecilia sphenops

fishfreshwater
3″·15+ gal·group 3+·peaceful
fish
easy

Red Dwarf Gourami

Trichogaster lalius

fishfreshwater
3.5″·15+ gal·semi-aggr.
fish
easy

Red Eye Tetra

Moenkhausia sanctaefilomenae

fishfreshwater
2.2″·20+ gal·group 6+·peaceful
fish
easy

Red Jewel Cichlid

Hemichromis lifalili

fishfreshwater
5″·30+ gal·aggressive
fish
easy

Red Lizard Catfish

Rineloricaria sp. L010a

fishfreshwater
5″·30+ gal·peaceful
fish
easy

Red Phantom Tetra

Megalamphodus sweglesi

fishfreshwater
1.5″·15+ gal·group 6+·peaceful
fish
easy

Red Platy

Xiphophorus maculatus

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

Red Rainbowfish

Glossolepis incisus

fishfreshwater
5″·40+ gal·group 4+·peaceful
fish
easy

Red Swordtail

Xiphophorus hellerii

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

Red Wag Platy

Xiphophorus maculatus

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

Red Wagtail Platy

Xiphophorus maculatus

fishfreshwater
2.5″·10+ gal·group 5+·peaceful
fish
easy

Red-Tailed Rasbora

Rasbora borapetensis

fishfreshwater
2″·20+ gal·group 6+·peaceful
fish
easy

Redbreast Acara

Laetacara dorsigera

fishfreshwater
2.5″·20+ gal·peaceful
fish
easy

Redline Dwarf Rasbora

Microrasbora rubescens

fishfreshwater
1″·10+ gal·group 6+·peaceful
fish
easy

Redline Rasbora

Rasbora pauciperforata

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

Redtail Goodeid

Xenotoca eiseni

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

Reticulatus Corydoras

Corydoras reticulatus

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

Ricefish

Oryzias woworae

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

Rosy Barb

Pethia conchonius

fishfreshwater
3.5″·25+ gal·group 6+·semi-aggr.
fish
easy

Rosy Loach

Petruichthys sp. rosy

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

Rosy Tetra

Hyphessobrycon rosaceus

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

Roundtail Paradisefish

Macropodus ocellatus

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

Royal Gramma

Gramma loreto

fishsaltwater
3″·30+ gal·semi-aggr.
fish
easy

Rubber Lip Pleco

Chaetostoma milesi

fishfreshwater
5″·25+ gal·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
easy

Sailfin Molly

Poecilia latipinna

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

Salt & Pepper Platy

Xiphophorus maculatus

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