Shoal & Stem

Species Catalogue

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

fish
beginner

Domino Damsel

Dascyllus trimaculatus

fishsaltwater
5.5″·30+ gal·aggressive
fish
intermediate

Double Red Cockatoo Dwarf Cichlid

Apistogramma cacatuoides

fishfreshwater
3″·20+ gal·group 2+·semi-aggr.
fish
intermediate

Double Tail Betta

Betta splendens 'Double Tail'

fishfreshwater
2.5″·5+ gal·semi-aggr.
fish
beginner

Dragon Guppy

Poecilia reticulata

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

Dumbo Ear Guppy

Poecilia reticulata

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

Dwarf Anchor Catfish

Hara jerdoni

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

Dwarf Chain Loach

Ambastaia sidthimunki

fishfreshwater
2″·15+ gal·group 5+·peaceful
fish
intermediate

Dwarf Emerald Rasbora

Celestichthys erythromicron

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

Dwarf Gourami

Trichogaster lalius

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

Dwarf Neon Rainbowfish

Melanotaenia praecox

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

Dwarf Pencilfish

Nannostomus marginatus

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

Dwarf Puffer

Carinotetraodon travancoricus

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

Eastern Rainbowfish

Melanotaenia splendida

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

Eggers' Notho

Nothobranchius eggersi

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

El Tigre Endler

Poecilia wingei

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

Electric Blue Acara

Andinoacara pulcher hybrid

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

Electric Blue Agassiz's Dwarf Cichlid

Apistogramma agassizii

fishfreshwater
3″·20+ gal·group 2+·semi-aggr.
fish
intermediate

Electric Blue Ram

Mikrogeophagus ramirezi

fishfreshwater
2.5″·20+ gal·group 2+·peaceful
fish
beginner

Electric Yellow Lab

Labidochromis caeruleus

fishfreshwater
4″·30+ gal·semi-aggr.
fish
beginner

Elegant Corydoras

Corydoras elegans

fishfreshwater
2.25″·15+ gal·group 6+·peaceful
fish
beginner

Elephant Ear Betta

Betta splendens 'Dumbo'

fishfreshwater
2.5″·5+ gal·semi-aggr.
fish
advanced

Elephant Nose Fish

Gnathonemus petersii

fishfreshwater
9″·50+ gal·semi-aggr.
fish
advanced

Elizabeth's Dwarf Cichlid

Apistogramma elizabethae

fishfreshwater
3″·20+ gal·semi-aggr.
fish
beginner

Ember Tetra

Hyphessobrycon amandae

fishfreshwater
0.8″·10+ gal·group 8+·peaceful
fish
beginner

Emerald Corydoras

Brochis splendens

fishfreshwater
3″·20+ gal·group 6+·peaceful
fish
intermediate

Emerald Dwarf Rasbora

Danio erythromicron

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

Emerald Eye Rasbora

Brevibora dorsiocellata

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

Emperor Angelfish

Pomacanthus imperator

fishsaltwater
15″·150+ gal·semi-aggr.
fish
beginner

Emperor Tetra

Nematobrycon palmeri

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

Empire Gudgeon

Hypseleotris compressa

fishfreshwater
4″·20+ gal·peaceful
fish
beginner

Endler Guppy

Poecilia wingei × Poecilia reticulata

fishfreshwater
1.5″·5+ gal·group 3+·peaceful
fish
beginner

Endler's Livebearer

Poecilia wingei

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

Espei Pencilfish

Nannostomus espei

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

Exclamation Point Rasbora

Boraras urophthalmoides

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

Fahaka Puffer

Tetraodon lineatus

fishfreshwater
18″·125+ gal·aggressive
fish
beginner

False Julii Corydoras

Corydoras trilineatus

fishfreshwater
2.5″·15+ gal·group 6+·peaceful
14567820