Shoal & Stem

Species Catalogue

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

fish
Eeasy

Banded Panchax

Epiplatys fasciolatus

fishfreshwater
1.5″·10+ gal·peaceful
fish
beginner

Banded Rainbowfish

Melanotaenia trifasciata

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

Bandit Corydoras

Corydoras metae

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

Banggai Cardinalfish

Pterapogon kauderni

fishsaltwater
3.5″·30+ gal·group 3+·peaceful
fish
beginner

Banjo Catfish

Bunocephalus coracoideus

fishfreshwater
6″·20+ gal·peaceful
fish
beginner

Barbatus Corydoras

Corydoras barbatus

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

Bartlett's Anthias

Pseudanthias bartlettorum

fishsaltwater
3.5″·75+ gal·group 3+·peaceful
fish
beginner

Bengal Danio

Devario devario

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

Betta

Betta splendens

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

Betta Brownorum

Betta brownorum

fishfreshwater
1.5″·20+ gal·peaceful
fish
intermediate

Betta Coccina

Betta coccina

fishfreshwater
1.8″·5+ gal·semi-aggr.
fish
Mmedium

Betta Foerschi

Betta foerschi

fishfreshwater
3.5″·20+ gal·peaceful
fish
Mmedium

Betta Hendra

Betta hendra

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

Betta Hipposideros

Betta hipposideros

fishfreshwater
2.5″·20+ gal·semi-aggr.
fish
Xexpert

Betta Livida

Betta livida

fishfreshwater
3.5″·20+ gal·aggressive
fish
intermediate

Betta Mahachaiensis

Betta mahachaiensis

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

Betta Patoti

Betta patoti

fishfreshwater
1.5″·10+ gal·peaceful
fish
Mmedium

Betta Persephone

Betta persephone

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

Betta Picta

Betta picta

fishfreshwater
3.5″·20+ gal·peaceful
fish
intermediate

Betta Pugnax

Betta pugnax

fishfreshwater
3.5″·10+ gal·semi-aggr.
fish
Mmedium

Betta Rubra

Betta rubra

fishfreshwater
3.5″·10+ gal·semi-aggr.
fish
Mmedium

Betta Simorum

Betta simorum

fishfreshwater
3.5″·20+ gal·peaceful
fish
intermediate

Betta Smaragdina

Betta smaragdina

fishfreshwater
3″·10+ gal·semi-aggr.
fish
Mmedium

Betta Stigmosa

Betta stigmosa

fishfreshwater
3.5″·20+ gal·semi-aggr.
fish
Mmedium

Betta Taeniata

Betta taeniata

fishfreshwater
3.5″·20+ gal·peaceful
fish
Mmedium

Betta Unimaculata

Betta unimaculata

fishfreshwater
3.5″·20+ gal·peaceful
fish
advanced

Bicolor Angelfish

Centropyge bicolor

fishsaltwater
6″·55+ gal·semi-aggr.
fish
beginner

Bicolor Blenny

Ecsenius bicolor

fishsaltwater
4″·30+ gal·peaceful
fish
beginner

Bird Wrasse

Gomphosus varius

fishsaltwater
12″·75+ gal·peaceful
fish
beginner

Black Bar Endler

Poecilia wingei

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

Black Ghost Knifefish

Apteronotus albifrons

fishfreshwater
20″·100+ gal·semi-aggr.
fish
Eeasy

Black Kuhli Loach

Pangio oblonga

fishfreshwater
4″·20+ gal·group 3+·peaceful
fish
intermediate

Black Lace Angelfish

Pterophyllum scalare

fishfreshwater
6″·30+ gal·group 2+·semi-aggr.
fish
beginner

Black Lyretail Molly

Poecilia sphenops

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

Black Molly

Poecilia sphenops

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

Black Moor Goldfish

Carassius auratus

fishfreshwater
7″·20+ gal·peaceful