Shoal & Stem

Species Catalogue

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

fish
beginner

False Rummy Nose Tetra

Petitella georgiae

fishfreshwater
2″·15+ gal·group 8+·peaceful
fish
intermediate

Fancy Goldfish

Carassius auratus (fancy varieties)

fishfreshwater
8″·30+ gal·group 2+·peaceful
fish
beginner

Fancy Guppy

Poecilia reticulata

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

Fantail Goldfish

Carassius auratus

fishfreshwater
7″·20+ gal·peaceful
fish
intermediate

Farlowella Catfish

Farlowella acus

fishfreshwater
6″·25+ gal·peaceful
fish
beginner

Feathertail Betta

Betta splendens

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

Figure Eight Puffer

Dichotomyctere ocellatus

fishbrackish
3″·20+ gal·aggressive
fish
beginner

Filament Barb

Dawkinsia filamentosa

fishfreshwater
5″·30+ gal·group 6+·peaceful
fish
advanced

Fire Eel

Mastacembelus erythrotaenia

fishfreshwater
36″·80+ gal·semi-aggr.
fish
intermediate

Fire Rasbora

Rasboroides vaterifloris

fishfreshwater
1.5″·15+ gal·group 8+·peaceful
fish
beginner

Firefish Goby

Nemateleotris magnifica

fishsaltwater
3″·20+ gal·group 2+·peaceful
fish
intermediate

Firemouth Cichlid

Thorichthys meeki

fishfreshwater
6″·30+ gal·semi-aggr.
fish
beginner

Five-Banded Barb

Desmopuntius pentazona

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

Flag Tail Prochilodus

Semaprochilodus taeniurus

fishfreshwater
12″·125+ gal·semi-aggr.
fish
Eeasy

Flag Tetra

Hyphessobrycon heterorhabdus

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

Flagtail Corydoras

Corydoras robineae

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

Flame Angelfish

Centropyge loricula

fishsaltwater
4″·70+ gal·semi-aggr.
fish
intermediate

Flame Dwarf Gourami

Trichogaster lalius

fishfreshwater
3.5″·15+ gal·semi-aggr.
fish
beginner

Flame Hawkfish

Neocirrhites armatus

fishsaltwater
3.5″·30+ gal·semi-aggr.
fish
beginner

Flame Tetra

Hyphessobrycon flammeus

fishfreshwater
1.6″·10+ gal·group 6+·peaceful
fish
beginner

Florida Flagfish

Jordanella floridae

fishfreshwater
2.5″·15+ gal·group 2+·semi-aggr.
fish
beginner

Flowerhorn Cichlid

Hybrid cichlid

fishfreshwater
12″·75+ gal·aggressive
fish
intermediate

Flying Fox

Epalzeorhynchos kalopterus

fishfreshwater
5.5″·55+ gal·semi-aggr.
fish
beginner

Forktail Rainbowfish

Pseudomugil furcatus

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

Foxface Rabbitfish

Siganus vulpinus

fishsaltwater
9″·75+ gal·peaceful
fish
intermediate

French Angelfish

Pomacanthus paru

fishsaltwater
15″·180+ gal·semi-aggr.
fish
advanced

Freshwater Pipefish

Doryichthys martensii

fishfreshwater
7″·20+ gal·peaceful
fish
Xexpert

Freshwater Stingray

Potamotrygon motoro

fishfreshwater
20″·250+ gal·peaceful
fish
intermediate

Frontosa Cichlid

Cyphotilapia frontosa

fishfreshwater
14″·100+ gal·semi-aggr.
fish
intermediate

Furcata Rainbowfish

Pseudomugil furcatus

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

Fuzzy Dwarf Lionfish

Dendrochirus brachypterus

fishsaltwater
7″·50+ gal·semi-aggr.
fish
beginner

Galaxy Koi Betta

Betta splendens 'Galaxy Koi'

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

Gardneri Killifish

Fundulopanchax gardneri

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

German Blue Ram

Mikrogeophagus ramirezi

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

Giant Betta

Betta splendens 'Giant'

fishfreshwater
5″·10+ gal·semi-aggr.
fish
beginner

Giant Danio

Devario aequipinnatus

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