Shoal & Stem

Species Catalogue

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

fish
easy

Lubbock's Fairy Wrasse

Cirrhilabrus lubbocki

fishsaltwater
4″·30+ gal·peaceful
fish
medium

Lyretail Anthias

Pseudanthias squamipinnis

fishsaltwater
5″·75+ gal·group 5+·peaceful
fish
easy

Lyretail Guppy

Poecilia reticulata

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

Lyretail Molly

Poecilia sphenops

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

Lyretail Swordtail

Xiphophorus hellerii

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

Macropterus Corydoras

Corydoras macropterus

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

Madagascar Rainbow

Bedotia geayi

fishfreshwater
3.5″·40+ gal·group 6+·peaceful
fish
medium

Maingano

Melanochromis cyaneorhabdos

fishfreshwater
3.5″·40+ gal·aggressive
fish
easy

Malabar Danio

Devario malabaricus

fishfreshwater
3.5″·20+ gal·group 6+·peaceful
fish
expert

Mandarin Dragonet

Synchiropus splendidus

fishsaltwater
3″·30+ gal·peaceful
fish
medium

Marble Angelfish

Pterophyllum scalare

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

Marble Betta

Betta splendens 'Marble'

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

Marble Molly

Poecilia sphenops

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

Marbled Hatchetfish

Carnegiella strigata

fishfreshwater
1.5″·15+ gal·group 6+·peaceful
fish
medium

Marbled Headstander

Abramites hypselonotus

fishfreshwater
3.5″·30+ gal·group 4+·peaceful
fish
hard

Marbled Sleeper Goby

Oxyeleotris marmorata

fishfreshwater
24″·200+ gal·aggressive
fish
easy

Marigold Platy

Xiphophorus maculatus

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

Marlier's Julie

Julidochromis marlieri

fishfreshwater
3.5″·30+ gal·semi-aggr.
fish
easy

Maroon Clownfish

Premnas biaculeatus

fishsaltwater
6″·30+ gal·group 2+·aggressive
fish
expert

Mbu Puffer

Tetraodon mbu

fishfreshwater
26″·300+ gal·aggressive
fish
easy

McCosker's Flasher Wrasse

Paracheilinus mccoskeri

fishsaltwater
3.5″·55+ gal·peaceful
fish
easy

Medaka

Oryzias latipes

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

Melanistius Corydoras

Corydoras melanistius

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

Melanurus Wrasse

Halichoeres melanurus

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

Melon Barb

Haludaria fasciata

fishfreshwater
3″·30+ gal·group 6+·semi-aggr.
fish
easy

Mickey Mouse Platy

Xiphophorus maculatus

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

Midas Blenny

Ecsenius midas

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

Midas Cichlid

Amphilophus citrinellus

fishfreshwater
15″·75+ gal·aggressive
fish
medium

Midnight Catfish

Auchenipterichthys thoracatus

fishfreshwater
4.5″·30+ gal·group 3+·semi-aggr.
fish
medium

Millennium Rainbowfish

Glossolepis pseudoincisus

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

Mimic Tang

Acanthurus pyroferus

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

Mirabilis Killifish

Fundulopanchax mirabilis

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

Moonlight Gourami

Trichopodus microlepis

fishfreshwater
6″·30+ gal·peaceful
fish
hard

Moorish Idol

Zanclus cornutus

fishsaltwater
9″·100+ gal·peaceful
fish
easy

Mosaic Guppy

Poecilia reticulata

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

Moscow Blue Guppy

Poecilia reticulata

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