Shoal & Stem

Species Catalogue

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

fish
expert

Discus

Symphysodon spp.

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

Disk Tetra

Myleus schomburgkii

fishfreshwater
12″·75+ gal·peaceful
fish
medium

Doctor Fish

Garra rufa

fishfreshwater
2.4″·20+ gal·group 6+·peaceful
fish
easy

Dog Face Puffer

Arothron nigropunctatus

fishsaltwater
13″·100+ gal·semi-aggr.
fish
easy

Dojo Loach

Misgurnus anguillicaudatus

fishfreshwater
6″·30+ gal·group 3+·peaceful
fish
easy

Domino Damsel

Dascyllus trimaculatus

fishsaltwater
5.5″·30+ gal·aggressive
fish
medium

Double Red Cockatoo Dwarf Cichlid

Apistogramma cacatuoides

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

Double Tail Betta

Betta splendens 'Double Tail'

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

Dovii Cichlid

Parachromis dovii

fishfreshwater
28″·180+ gal·aggressive
fish
easy

Dragon Guppy

Poecilia reticulata

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

Duboisi Cichlid

Tropheus duboisi

fishfreshwater
5″·75+ gal·group 6+·aggressive
fish
easy

Dumbo Ear Guppy

Poecilia reticulata

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

Dwarf Anchor Catfish

Hara jerdoni

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

Dwarf Gourami

Trichogaster lalius

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

Dwarf Neon Rainbowfish

Melanotaenia praecox

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

Dwarf Pencilfish

Nannostomus marginatus

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

Eastern Rainbowfish

Melanotaenia splendida

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

Eel Loach

Pangio anguillaris

fishfreshwater
3.5″·20+ gal·group 6+·peaceful
fish
expert

Eggers' Notho

Nothobranchius eggersi

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

Egyptian Mouthbrooder

Pseudocrenilabrus multicolor

fishfreshwater
3″·20+ gal·peaceful
fish
easy

El Tigre Endler

Poecilia wingei

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

Electric Blue Acara

Andinoacara pulcher hybrid

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

Electric Blue Agassiz's Dwarf Cichlid

Apistogramma agassizii

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

Electric Blue Ram

Mikrogeophagus ramirezi

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

Electric Yellow Lab

Labidochromis caeruleus

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

Elegant Corydoras

Corydoras elegans

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

Elegant Rasbora

Rasbora elegans

fishfreshwater
4″·40+ gal·group 6+·peaceful
fish
easy

Elephant Ear Betta

Betta splendens 'Dumbo'

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

Elephant Nose Fish

Gnathonemus petersii

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

Elizabeth's Dwarf Cichlid

Apistogramma elizabethae

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

Emerald Dwarf Rasbora

Danio erythromicron

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

Emerald Eye Rasbora

Brevibora dorsiocellata

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

Emperor Angelfish

Pomacanthus imperator

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

Emperor Tetra

Nematobrycon palmeri

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

Empire Gudgeon

Hypseleotris compressa

fishfreshwater
4″·20+ gal·peaceful
fish
easy

Endler Guppy

Poecilia wingei × Poecilia reticulata

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