Shoal & Stem

Species Catalogue

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

fish
medium

Betta Hendra

Betta hendra

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

Betta Rubra

Betta rubra

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

Betta Simorum

Betta simorum

fishfreshwater
3.5″·20+ gal·peaceful
fish
medium

Betta Smaragdina

Betta smaragdina

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

Betta Stigmosa

Betta stigmosa

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

Betta Taeniata

Betta taeniata

fishfreshwater
3.5″·20+ gal·peaceful
fish
medium

Betta Unimaculata

Betta unimaculata

fishfreshwater
3.5″·20+ gal·peaceful
fish
medium

Black Lace Angelfish

Pterophyllum scalare

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

Black Paradisefish

Macropodus spechti

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

Black-Winged Hatchetfish

Carnegiella marthae

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

Blackfin Pearlfish

Austrolebias nigripinnis

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

Blue Acara

Andinoacara pulcher

fishfreshwater
7″·55+ gal·semi-aggr.
fish
medium

Blue Axelrodi Rasbora

Sundadanio axelrodi blue

fishfreshwater
1.2″·10+ gal·group 8+·peaceful
fish
medium

Blue Gularis Killifish

Fundulopanchax sjoestedti

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

Blue Phantom Pleco

Hemiancistrus sp.

fishfreshwater
6″·40+ gal·semi-aggr.
fish
medium

Blue Tang

Paracanthurus hepatus

fishsaltwater
12″·100+ gal·semi-aggr.
fish
medium

Bluefin Notho

Nothobranchius rachovii

fishfreshwater
2.5″·10+ gal·group 2+·semi-aggr.
fish
medium

Blushing Angelfish

Pterophyllum scalare

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

Borellii Dwarf Cichlid

Apistogramma borellii

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

Borneo Sucker Loach

Gastromyzon punctulatus

fishfreshwater
2″·20+ gal·group 3+·peaceful
fish
medium

Brevis Shell Dweller

Neolamprologus brevis

fishfreshwater
1.5″·20+ gal·semi-aggr.
fish
medium

Bubble Eye Goldfish

Carassius auratus

fishfreshwater
5″·20+ gal·group 2+·peaceful
fish
medium

Bumblebee Catfish

Microglanis iheringi

fishfreshwater
2.5″·20+ gal·peaceful
fish
medium

Bumblebee Cichlid

Pseudotropheus crabro

fishfreshwater
3.5″·30+ gal·aggressive
fish
medium

Burmese Border Loach

Ambastaia nigrolineata

fishfreshwater
2.5″·20+ gal·group 5+·peaceful
fish
medium

Butterfly Goodeid

Ameca splendens

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

Butterfly Pleco

Dekeyseria brachyura

fishfreshwater
6″·30+ gal·peaceful
fish
medium

Calvus Cichlid

Altolamprologus calvus

fishfreshwater
5″·30+ gal·semi-aggr.
fish
medium

Caudopunctatus Cichlid

Neolamprologus caudopunctatus

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

Celebes Rainbowfish

Marosatherina ladigesi

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

Celestial Eye Goldfish

Carassius auratus

fishfreshwater
5″·20+ gal·group 2+·peaceful