Shoal & Stem

Species Catalogue

1,492 species — care guides, community photos, water parameters, and tank-mate compatibility.

shrimp
hard

Extreme Panda Shrimp

Caridina logemanni

shrimpfreshwater
1.25″·10+ gal·group 10+·peaceful
shrimp
hard

Extreme Red King Kong Shrimp

Caridina logemanni

shrimpfreshwater
1.25″·10+ gal·group 10+·peaceful
shrimp
medium

Eye Spot Pinto Shrimp

Caridina logemanni

shrimpfreshwater
1.25″·5+ gal·group 10+·peaceful
fish
hard

Fahaka Puffer

Tetraodon lineatus

fishfreshwater
18″·125+ gal·aggressive
plant
easy

Fairy Moss

Azolla filiculoides

plantfreshwater
Floating·Very growth
fish
easy

False Bandit Corydoras

Corydoras melini

fishfreshwater
1.3″·10+ gal·group 4+·peaceful
fish
easy

False Rummy Nose Tetra

Petitella georgiae

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

Fancy Goldfish

Carassius auratus (fancy varieties)

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

Fancy Guppy

Poecilia reticulata

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

Fancy Tiger Pinto Shrimp

Caridina logemanni

shrimpfreshwater
1.25″·5+ gal·group 10+·peaceful
fish
easy

Fantail Goldfish

Carassius auratus

fishfreshwater
7″·20+ gal·peaceful
fish
medium

Farlowella Catfish

Farlowella acus

fishfreshwater
6″·25+ gal·peaceful
coral
easy

Favia Coral

Favia speciosa

coralsaltwater
2″·30+ gal·peaceful
coral
medium

Favites Brain Coral

Favites spp.

coralsaltwater
2″·50+ gal·peaceful
algae
easy

Feather Caulerpa

Caulerpa sertularioides

algaesaltwater

Feathery, fern-like fronds on creeping runners — arguably the most attractive Caulerpa species. Works well in display refugia where its ornamental appearance is on show. Fast-growing nutrient exporter. Same caveats as other Caulerpa: harvest regularly to prevent sexual reproduction.

fish
medium

Featherfin Squeaker

Synodontis eupterus

fishfreshwater
5.9″·40+ gal·peaceful
fish
easy

Featherfin Tetra

Hemigrammus unilineatus

fishfreshwater
2″·20+ gal·group 6+·peaceful
fish
easy

Feathertail Betta

Betta splendens

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

Festivum

Mesonauta festivus

fishfreshwater
6″·45+ gal·peaceful
crab
medium

Fiddler Crab

Uca pugnax

crabbrackish
2″·20+ gal·group 3+·semi-aggr.
snail
easy

Fighting Conch

Strombus alatus

snailsaltwater
3″·30+ gal·peaceful
fish
medium

Figure Eight Puffer

Dichotomyctere ocellatus

fishbrackish
3″·20+ gal·aggressive
fish
easy

Filament Barb

Dawkinsia filamentosa

fishfreshwater
5″·30+ gal·group 6+·peaceful
plant
medium

Fine-leaved Pondweed

Potamogeton gayi

plantfreshwater
Midground
coral
medium

Fire Coral

Millepora alcicornis

coralsaltwater
2″·30+ gal·peaceful
fish
hard

Fire Eel

Mastacembelus erythrotaenia

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

Fire Rasbora

Rasboroides vaterifloris

fishfreshwater
1.5″·15+ gal·group 8+·peaceful
shrimp
easy

Fire Red Shrimp

Neocaridina davidi

shrimpfreshwater
1.5″·5+ gal·group 10+·peaceful
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
medium

Firemouth Cichlid

Thorichthys meeki

fishfreshwater
6″·30+ gal·semi-aggr.
plant
medium

Fissidens Fontanus

Fissidens fontanus

plantfreshwater
Epiphyte·Low–Medium light·Slow growth
plant
hard

Fissidens Nobilis

Fissidens nobilis

plantfreshwater
Epiphyte
fish
easy

Five-Banded Barb

Desmopuntius pentazona

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

Flag Tail Prochilodus

Semaprochilodus taeniurus

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

Flag Tetra

Hyphessobrycon heterorhabdus

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