Shoal & Stem

Species Catalogue

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

shrimp
easy

Fire Shrimp

Lysmata debelius

shrimpsaltwater
2″·20+ gal·peaceful
fish
easy

Firefish Goby

Nemateleotris magnifica

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

Five-Banded Barb

Desmopuntius pentazona

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

Flag Tetra

Hyphessobrycon heterorhabdus

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

Flame Hawkfish

Neocirrhites armatus

fishsaltwater
3.5″·30+ gal·semi-aggr.
plant
easy

Flame Moss

Taxiphyllum sp. 'Flame'

plantfreshwater
Epiphyte·Low to medium light·Slow growth
plant
easy

Flame Moss Mini

Taxiphyllum sp. 'Flame Mini'

plantfreshwater
Epiphyte·Slow growth
fish
easy

Flame Tetra

Hyphessobrycon flammeus

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

Flowerhorn Cichlid

Hybrid cichlid

fishfreshwater
12″·75+ gal·aggressive
fish
easy

Forktail Rainbowfish

Pseudomugil furcatus

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

Foxface Rabbitfish

Siganus vulpinus

fishsaltwater
9″·75+ gal·peaceful
algae
easy

Fuzz Algae

Stigeoclonium sp.

algaefreshwater

Short, fuzzy green tufts — typically 2–5 mm — that appear on the edges of plant leaves, hardscape, and equipment. One of the most common algae in newly planted tanks. Easily grazed by Amano shrimp, Otocinclus, and nerite snails. Caused by light excess or inconsistent CO₂ early in a tank's life. Usually resolves as the tank matures.

fish
easy

Gardneri Killifish

Fundulopanchax gardneri

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

Giant Bacopa

Bacopa amplexicaulis

plantfreshwater
Background·Low to high light·Fast growth
fish
easy

Giant Danio

Devario aequipinnatus

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

Giant Gourami

Osphronemus goramy

fishfreshwater
24″·200+ gal·semi-aggr.
plant
easy

Giant Hairgrass

Eleocharis montevidensis

plantfreshwater
Background·Low to high light·Medium growth
snail
easy

Giant Ramshorn Snail

Marisa cornuarietis

snailfreshwater
2″·10+ gal·peaceful
plant
easy

Giant Sagittaria

Sagittaria platyphylla

plantfreshwater
Background·Fast growth
plant
easy

Giant Vallisneria

Vallisneria americana var. gigantea

plantfreshwater
Background·Fast growth
fish
easy

Glass Bloodfin Tetra

Prionobrama filigera

fishfreshwater
1.6″·20+ gal·group 6+·peaceful
fish
easy

GloFish Betta

Betta splendens

fishfreshwater
2.5″·5+ gal·aggressive
fish
easy

GloFish Corydoras

Corydoras aeneus

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

GloFish Tiger Barb

Puntigrus tetrazona

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

Glowlight Danio

Danio choprai

fishfreshwater
1.25″·10+ gal·group 6+·peaceful
fish
easy

Gold Barb

Barbodes semifasciolatus

fishfreshwater
3″·20+ gal·group 6+·peaceful
fish
easy

Gold Danio

Danio albolineatus

fishfreshwater
2.5″·10+ gal·group 6+·peaceful
fish
easy

Gold Dust Molly

Poecilia sphenops

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

Gold Honey Gourami

Trichogaster chuna

fishfreshwater
2″·10+ gal·peaceful
fish
easy

Gold Medaka

Oryzias latipes

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

Gold Platy

Xiphophorus maculatus

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

Gold Ring Danio

Danio tinwini

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

Gold Sailfin Molly

Poecilia latipinna

fishfreshwater
4″·30+ gal·group 3+·peaceful
fish
easy

Gold Tetra

Hemigrammus rodwayi

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

Golden Dwarf Cichlid

Nannacara anomala

fishfreshwater
2.5″·20+ gal·peaceful
fish
easy

Golden Pencilfish

Nannostomus beckfordi

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