Shoal & Stem

Species Catalogue

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

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
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
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
easy

Horsefaced Loach

Acantopsis dialuzona

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

Horseman Corydoras

Corydoras eques

fishfreshwater
1.2″·20+ gal·group 4+·peaceful
fish
easy

Imitator Corydoras

Corydoras imitator

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

Jack Dempsey

Rocio octofasciata

fishfreshwater
8″·55+ gal·aggressive
fish
easy

Japan Blue Endler

Poecilia wingei

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

Jellybean Tetra

Ladigesia roloffi

fishfreshwater
1.2″·10+ gal·group 6+·peaceful
fish
easy

Jewel Cichlid

Hemichromis bimaculatus

fishfreshwater
6″·30+ gal·aggressive
fish
easy

Julii Cichlid

Julidochromis transcriptus

fishfreshwater
3″·30+ gal·semi-aggr.
fish
easy

Keyhole Cichlid

Cleithracara maronii

fishfreshwater
3.5″·20+ gal·peaceful
fish
easy

Kissing Gourami

Helostoma temminckii

fishfreshwater
10″·55+ gal·semi-aggr.
fish
easy

Kitty Tetra

Hyphessobrycon heliacus

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

Knight Goby

Stigmatogobius sadanundio

fishfreshwater
3.5″·20+ gal·peaceful
fish
easy

Koi Swordtail

Xiphophorus hellerii

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

Kole Tang

Ctenochaetus strigosus

fishsaltwater
7″·75+ gal·semi-aggr.
fish
easy

Kribensis

Pelvicachromis pulcher

fishfreshwater
4″·20+ gal·group 2+·semi-aggr.
fish
easy

Kuhli Loach

Pangio kuhlii

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

L075 Para Pleco

Peckoltia sabaji

fishfreshwater
3.5″·20+ gal·peaceful
fish
easy

L144 Lemon Bristlenose Pleco

Ancistrus sp. L144

fishfreshwater
3.5″·20+ gal·peaceful
fish
easy

L183 Starlight Bristlenose Pleco

Ancistrus dolichopterus

fishfreshwater
5″·40+ gal·peaceful
fish
easy

Laguna de Patos Endler

Poecilia wingei

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

Lake Tebera Rainbowfish

Melanotaenia herbertaxelrodi

fishfreshwater
4″·30+ gal·group 6+·peaceful
fish
easy

Lambchop Rasbora

Trigonostigma espei

fishfreshwater
1.75″·10+ gal·group 6+·peaceful
fish
easy

Lawnmower Blenny

Salarias fasciatus

fishsaltwater
4.5″·30+ gal·peaceful
fish
easy

Least Killifish

Heterandria formosa

fishfreshwater
1.5″·5+ gal·group 3+·peaceful
fish
easy

Lemon Blue Eye Bristlenose Pleco

Ancistrus sp.

fishfreshwater
5″·20+ gal·peaceful
fish
easy

Lemon Tetra

Hyphessobrycon pulchripinnis

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

Leopard Danio

Danio rerio

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