Shoal & Stem

Species Catalogue

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

fish
medium

Apistogramma Iniridae

Apistogramma iniridae

fishfreshwater
2.5″·20+ gal·peaceful
fish
medium

Archerfish

Toxotes jaculatrix

fishbrackish
10″·55+ gal·group 3+·semi-aggr.
fish
medium

Argentine Pearlfish

Austrolebias bellottii

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

Armatus Corydoras

Corydoras armatus

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

Arowana

Osteoglossum bicirrhosum

fishfreshwater
36″·250+ gal·semi-aggr.
fish
hard

Arrowhead Puffer

Pao suvattii

fishfreshwater
5″·40+ gal·aggressive
fish
medium

Asian Stone Catfish

Hara hara

fishfreshwater
1″·10+ gal·group 4+·peaceful
fish
medium

Atlantic Blue Tang

Acanthurus coeruleus

fishsaltwater
9″·75+ gal·semi-aggr.
fish
hard

Auratus Cichlid

Melanochromis auratus

fishfreshwater
4.3″·55+ gal·aggressive
fish
easy

Australian Rainbowfish

Melanotaenia fluviatilis

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

Axelrodi Corydoras

Corydoras axelrodi

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

Azure Damsel

Chrysiptera hemicyanea

fishsaltwater
3″·30+ gal·semi-aggr.
fish
medium

Bala Shark

Balantiocheilos melanopterus

fishfreshwater
14″·125+ gal·group 3+·peaceful
fish
easy

Balloon Molly

Poecilia sphenops

fishfreshwater
2.5″·20+ gal·group 3+·peaceful
fish
medium

Balloon Ram

Mikrogeophagus ramirezi

fishfreshwater
2″·20+ gal·group 2+·peaceful
fish
medium

Banded Leporinus

Leporinus fasciatus

fishfreshwater
12″·55+ gal·semi-aggr.
fish
easy

Banded Panchax

Epiplatys fasciolatus

fishfreshwater
1.5″·10+ gal·peaceful
fish
easy

Banded Rainbowfish

Melanotaenia trifasciata

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

Bandit Corydoras

Corydoras metae

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

Banggai Cardinalfish

Pterapogon kauderni

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

Banjo Catfish

Bunocephalus coracoideus

fishfreshwater
6″·20+ gal·peaceful
fish
easy

Barbatus Corydoras

Corydoras barbatus

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

Bartlett's Anthias

Pseudanthias bartlettorum

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

Bengal Danio

Devario devario

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

Betta

Betta splendens

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

Betta Brownorum

Betta brownorum

fishfreshwater
1.5″·20+ gal·peaceful
fish
medium

Betta Coccina

Betta coccina

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

Betta Foerschi

Betta foerschi

fishfreshwater
3.5″·20+ gal·peaceful
fish
medium

Betta Hendra

Betta hendra

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

Betta Hipposideros

Betta hipposideros

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

Betta Livida

Betta livida

fishfreshwater
3.5″·20+ gal·aggressive
fish
medium

Betta Mahachaiensis

Betta mahachaiensis

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

Betta Patoti

Betta patoti

fishfreshwater
1.5″·10+ gal·peaceful
fish
medium

Betta Persephone

Betta persephone

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

Betta Picta

Betta picta

fishfreshwater
3.5″·20+ gal·peaceful
fish
medium

Betta Pugnax

Betta pugnax

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