Shoal & Stem

Species Catalogue

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

fish
easy

Blue Platy

Xiphophorus maculatus

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

Blue Star Endler

Poecilia wingei

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

Blue Tang

Paracanthurus hepatus

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

Blue Wag Platy

Xiphophorus maculatus

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

Blue-throat Triggerfish

Xanthichthys auromarginatus

fishsaltwater
12″·75+ gal·semi-aggr.
fish
easy

Bluefin Killifish

Lucania goodei

fishfreshwater
1.5″·5+ gal·peaceful
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
easy

Boesemani Rainbowfish

Melanotaenia boesemani

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

Bolivian Ram

Mikrogeophagus altispinosus

fishfreshwater
3.5″·20+ gal·group 2+·peaceful
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
easy

Bronze Corydoras

Corydoras aeneus

fishfreshwater
2.75″·20+ gal·group 6+·peaceful
fish
hard

Bronze Featherback

Notopterus notopterus

fishfreshwater
12″·75+ gal·peaceful
fish
hard

Brown Ghost Knifefish

Apteronotus leptorhynchus

fishfreshwater
8″·40+ gal·semi-aggr.
fish
expert

Brunei Beauty

Betta macrostoma

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

Bubble Eye Goldfish

Carassius auratus

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

Bucktooth Tetra

Exodon paradoxus

fishfreshwater
2.4″·40+ gal·group 6+·aggressive
fish
easy

Buenos Aires Tetra

Hyphessobrycon anisitsi

fishfreshwater
2.75″·20+ gal·group 6+·semi-aggr.
fish
easy

Buffalohead Cichlid

Steatocranus casuarius

fishfreshwater
3.5″·20+ gal·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
easy

Bumblebee Platy

Xiphophorus maculatus

fishfreshwater
2.5″·10+ gal·group 5+·peaceful
fish
easy

Burgess's Corydoras

Corydoras burgessi

fishfreshwater
1.5″·20+ gal·group 4+·peaceful
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
easy

Calico Platy

Xiphophorus maculatus

fishfreshwater
2.5″·10+ gal·group 5+·peaceful
fish
medium

Calvus Cichlid

Altolamprologus calvus

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

Campoma Endler

Poecilia wingei

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

Canary Blenny

Meiacanthus oualanensis

fishsaltwater
4.5″·30+ gal·peaceful
fish
easy

Cape Lopez Lyretail

Aphyosemion australe

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

Cardinal Tetra

Paracheirodon axelrodi

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

Carpenter's Fairy Wrasse

Paracheilinus carpenteri

fishsaltwater
4″·55+ gal·peaceful
fish
medium

Caudopunctatus Cichlid

Neolamprologus caudopunctatus

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