Shoal & Stem

Species Catalogue

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

fish
beginner

Comet Goldfish

Carassius auratus

fishfreshwater
12″·40+ gal·peaceful
fish
beginner

Common Goldfish

Carassius auratus

fishfreshwater
12″·50+ gal·group 2+·peaceful
fish
beginner

Common Pleco

Hypostomus plecostomus

fishfreshwater
18″·100+ gal·peaceful
fish
intermediate

Compressiceps Cichlid

Altolamprologus compressiceps

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

Concolor Corydoras

Corydoras concolor

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

Congo Puffer

Tetraodon miurus

fishfreshwater
6″·30+ gal·aggressive
fish
beginner

Congo Tetra

Phenacogrammus interruptus

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

Convict Cichlid

Amatitlania nigrofasciata

fishfreshwater
6″·30+ gal·aggressive
fish
advanced

Copperband Butterflyfish

Chelmon rostratus

fishsaltwater
8″·75+ gal·peaceful
fish
beginner

Coral Beauty Angelfish

Centropyge bispinosa

fishsaltwater
4″·70+ gal·semi-aggr.
fish
intermediate

Coral Red Pencilfish

Nannostomus mortenthaleri

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

Corydoras Duplicareus

Corydoras duplicareus

fishfreshwater
2.2″·15+ gal·group 6+·peaceful
fish
beginner

Corydoras Sterbai

Corydoras sterbai

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

Cosby Gourami

Trichopodus trichopterus

fishfreshwater
4″·20+ gal·semi-aggr.
fish
intermediate

Court Jester Goby

Koumansetta rainfordi

fishsaltwater
2.8″·20+ gal·peaceful
fish
beginner

Creamsicle Molly

Poecilia sphenops

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

Croaking Gourami

Trichopsis vittata

fishfreshwater
2.8″·10+ gal·peaceful
fish
Eeasy

Cross Tetra

Tyttocharax madeirae

fishfreshwater
0.8″·10+ gal·group 6+·peaceful
fish
beginner

Crowntail Betta

Betta splendens 'Crowntail'

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

Cuban Rivulus

Rivulus cylindraceus

fishfreshwater
2.2″·5+ gal·peaceful
fish
beginner

Daffodil Cichlid

Neolamprologus pulcher

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

Dageti Killifish

Epiplatys dageti

fishfreshwater
1.2″·10+ gal·peaceful
fish
beginner

Dalmatian Molly

Poecilia sphenops

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

Dalmatian Sailfin Molly

Poecilia latipinna

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

Darter Tetra

Characidium fasciatum

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

Delhezi Bichir

Polypterus delhezi

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

Delphax Corydoras

Corydoras delphax

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

Delta Betta

Betta splendens

fishfreshwater
3″·5+ gal·semi-aggr.
fish
advanced

Demasoni Cichlid

Pseudotropheus demasoni

fishfreshwater
3″·55+ gal·group 12+·aggressive
fish
intermediate

Denison Barb

Sahyadria denisonii

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

Diamond Tetra

Moenkhausia pittieri

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

Diamond Watchman Goby

Valenciennea puellaris

fishsaltwater
6″·30+ gal·peaceful
fish
Xexpert

Discus

Symphysodon spp.

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

Disk Tetra

Myleus schomburgkii

fishfreshwater
12″·75+ gal·peaceful
fish
beginner

Dog Face Puffer

Arothron nigropunctatus

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

Dojo Loach

Misgurnus anguillicaudatus

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