Shoal & Stem

Species Catalogue

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

fish
intermediate

Purple Tang

Zebrasoma xanthurum

fishsaltwater
8″·75+ gal·semi-aggr.
Pygmy Corydorasbeginner

Pygmy Corydoras

Corydoras pygmaeus

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

Pygmy Hatchetfish

Carnegiella myersi

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

Pygmy Rasbora

Boraras maculatus

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

Queen Angelfish

Holacanthus ciliaris

fishsaltwater
18″·250+ gal·semi-aggr.
fish
beginner

Queen Danio

Devario regina

fishfreshwater
2.5″·25+ gal·group 6+·peaceful
fish
Mmedium

Queen Loach

Botia dario

fishfreshwater
5″·40+ gal·group 3+·semi-aggr.
fish
beginner

Rabauti Corydoras

Corydoras rabauti

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

Raccoon Butterflyfish

Chaetodon lunula

fishsaltwater
8″·75+ gal·peaceful
fish
intermediate

Rainbow Cichlid

Herotilapia multispinosa

fishfreshwater
5″·30+ gal·semi-aggr.
fish
intermediate

Rainbow Emperor Tetra

Nematobrycon lacortei

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

Rainbow Platy

Xiphophorus maculatus

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

Rainbow Shark

Epalzeorhynchos frenatum

fishfreshwater
6″·55+ gal·semi-aggr.
fish
intermediate

Ranchu Goldfish

Carassius auratus

fishfreshwater
7″·20+ gal·peaceful
fish
intermediate

Red Arc Pencilfish

Nannostomus rubrocaudatus

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

Red Cap Lyretail

Aphyosemion calliurum

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

Red Chest Endler

Poecilia wingei

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

Red Devil Molly

Poecilia sphenops

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

Red Dwarf Gourami

Trichogaster lalius

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

Red Eye Tetra

Moenkhausia sanctaefilomenae

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

Red Hump Eartheater

Geophagus steindachneri

fishfreshwater
7″·55+ gal·group 4+·peaceful
fish
beginner

Red Jewel Cichlid

Hemichromis lifalili

fishfreshwater
5″·30+ gal·aggressive
fish
beginner

Red Lizard Catfish

Rineloricaria sp. L010a

fishfreshwater
5″·30+ gal·peaceful
fish
Mmedium

Red Melon Badis

Dario hysginon

fishfreshwater
0.8″·10+ gal·peaceful
fish
intermediate

Red Neon Blue Eye

Pseudomugil luminatus

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

Red Oscar

Astronotus ocellatus

fishfreshwater
14″·75+ gal·semi-aggr.
fish
beginner

Red Phantom Tetra

Megalamphodus sweglesi

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

Red Platy

Xiphophorus maculatus

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

Red Rainbowfish

Glossolepis incisus

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

Red Swordtail

Xiphophorus hellerii

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

Red Tail Catfish

Phractocephalus hemioliopterus

fishfreshwater
48″·1000+ gal·aggressive
fish
advanced

Red Turquoise Discus

Symphysodon sp.

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

Red Wag Platy

Xiphophorus maculatus

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

Red-Bellied Piranha

Pygocentrus nattereri

fishfreshwater
13″·100+ gal·group 5+·aggressive
fish
Mmedium

Red-Striped Killifish

Aphyosemion striatum

fishfreshwater
1.5″·10+ gal·peaceful
fish
intermediate

Red-Tailed Black Shark

Epalzeorhynchos bicolor

fishfreshwater
5″·55+ gal·semi-aggr.