Shoal & Stem

Species Catalogue

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

fish
easy

Green Chromis

Chromis viridis

fishsaltwater
3.5″·30+ gal·group 6+·peaceful
fish
easy

Green Corydoras

Corydoras aeneus

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

Green Fire Tetra

Aphyocharax rathbuni

fishfreshwater
1.2″·20+ gal·group 6+·peaceful
fish
easy

Green Gold Corydoras

Corydoras melanotaenia

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

Green Laser Corydoras

Corydoras sp. 'CW009'

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

Green Neon Rasbora

Microdevario nanus

fishfreshwater
0.6″·5+ gal·group 10+·peaceful
fish
medium

Green Phantom Pleco

Hemiancistrus subviridis

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

Green Spotted Puffer

Dichotomyctere nigroviridis

fishbrackish
6″·30+ gal·aggressive
fish
easy

Green Swordtail

Xiphophorus hellerii

fishfreshwater
4.5″·20+ gal·group 3+·peaceful
fish
medium

Green Terror Cichlid

Andinoacara rivulatus

fishfreshwater
12″·75+ gal·aggressive
fish
medium

Green Tiger Barb

Puntigrus tetrazona

fishfreshwater
3″·20+ gal·group 6+·semi-aggr.
fish
medium

Guenther's Notho

Nothobranchius guentheri

fishfreshwater
1.6″·10+ gal·peaceful
fish
medium

Guntea Loach

Lepidocephalichthys guntea

fishfreshwater
1.5″·20+ gal·group 3+·peaceful
fish
medium

Guttatus Jewel Cichlid

Hemichromis guttatus

fishfreshwater
5″·40+ gal·aggressive
fish
easy

Half Sun Betta

Betta splendens

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

Half-Black Angelfish

Pterophyllum scalare

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

Halfmoon Guppy

Poecilia reticulata

fishfreshwater
2″·10+ gal·group 3+·peaceful
fish
easy

Haraldschultzi Corydoras

Corydoras haraldschultzi

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

Harlequin Rasbora

Trigonostigma heteromorpha

fishfreshwater
2″·10+ gal·group 6+·peaceful
fish
medium

Harlequin Shark

Labeo cyclorhynchus

fishfreshwater
6″·55+ gal·semi-aggr.
fish
medium

Harlequin Tusk

Choerodon fasciatus

fishsaltwater
10″·75+ gal·semi-aggr.
fish
medium

Harrison's Pencilfish

Nannostomus harrisoni

fishfreshwater
1.4″·10+ gal·group 6+·peaceful
fish
easy

Hastatus Corydoras

Corydoras hastatus

fishfreshwater
1″·10+ gal·group 6+·peaceful
fish
easy

Head and Taillight Tetra

Hemigrammus ocellifer

fishfreshwater
1.75″·15+ gal·group 6+·peaceful
fish
medium

Helfrichi Firefish

Nemateleotris helfrichi

fishsaltwater
2.5″·20+ gal·peaceful
fish
easy

Hi-Fin Lyretail Swordtail

Xiphophorus hellerii

fishfreshwater
4.5″·20+ gal·group 3+·peaceful
fish
easy

Hi-Fin Platy

Xiphophorus maculatus

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

Hi-Fin Swordtail

Xiphophorus hellerii

fishfreshwater
4.5″·20+ gal·group 3+·peaceful
fish
easy

Hikari Medaka

Oryzias latipes

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

Hockey Stick Pencilfish

Nannostomus eques

fishfreshwater
2″·10+ gal·group 6+·peaceful
fish
medium

Honduran Red Point Cichlid

Amatitlania siquia

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

Honey Badis

Badis badis

fishfreshwater
1″·10+ gal·peaceful
fish
medium

Hongsloi Dwarf Cichlid

Apistogramma hongsloi

fishfreshwater
3″·20+ gal·group 2+·semi-aggr.
fish
medium

Hoplo Catfish

Megalechis thoracata

fishfreshwater
8″·75+ gal·semi-aggr.
fish
medium

Hora's Loach

Yasuhikotakia lecontei

fishfreshwater
5″·55+ gal·group 4+·semi-aggr.
fish
easy

Horsefaced Loach

Acantopsis dialuzona

fishfreshwater
8″·40+ gal·group 3+·peaceful