Shoal & Stem

Species Catalogue

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

fish
beginner

Jewel Cichlid

Hemichromis bimaculatus

fishfreshwater
6″·30+ gal·aggressive
fish
beginner

Julii Cichlid

Julidochromis transcriptus

fishfreshwater
3″·30+ gal·semi-aggr.
Julii Corydorasbeginner

Julii Corydoras

Corydoras julii

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

Kenyi Cichlid

Maylandia lombardoi

fishfreshwater
5″·55+ gal·aggressive
fish
Eeasy

Kerri Tetra

Inpaichthys kerri

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

Keyhole Cichlid

Cleithracara maronii

fishfreshwater
3.5″·20+ gal·peaceful
fish
Mmedium

Kilombero Notho

Nothobranchius kilomberoensis

fishfreshwater
1.5″·5+ gal·semi-aggr.
fish
Mmedium

Kingsley's Ctenopoma

Ctenopoma kingsleyae

fishfreshwater
2.5″·20+ gal·peaceful
fish
beginner

Kissing Gourami

Helostoma temminckii

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

Kitty Tetra

Hyphessobrycon heliacus

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

Koi Angelfish

Pterophyllum scalare

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

Koi Swordtail

Xiphophorus hellerii

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

Kole Tang

Ctenochaetus strigosus

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

Koran Angelfish

Pomacanthus semicirculatus

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

Korthaus's Notho

Nothobranchius korthausae

fishfreshwater
1.6″·10+ gal·semi-aggr.
fish
beginner

Kribensis

Pelvicachromis pulcher

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

Kuhli Loach

Pangio kuhlii

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

L066 King Tiger Pleco

Hypancistrus sp. L066

fishfreshwater
3.5″·20+ gal·peaceful
fish
Eeasy

L075 Para Pleco

Peckoltia sabaji

fishfreshwater
3.5″·20+ gal·peaceful
fish
Hhard

L081 Gold Nugget Pleco Medium Spot

Baryancistrus sp. L081

fishfreshwater
8″·75+ gal·peaceful
fish
Mmedium

L104 Clown Peckoltia

Peckoltia sp. L104

fishfreshwater
3.5″·20+ gal·peaceful
fish
Xexpert

L114 Leopard Cactus Pleco

Pseudacanthicus sp. L114

fishfreshwater
24″·150+ gal·semi-aggr.
fish
Mmedium

L129 Colombian Zebra Pleco

Hypancistrus debilittera

fishfreshwater
3.5″·20+ gal·peaceful
fish
Eeasy

L144 Lemon Bristlenose Pleco

Ancistrus sp. L144

fishfreshwater
3.5″·20+ gal·peaceful
fish
Hhard

L177 Gold Nugget Pleco

Baryancistrus sp. L177

fishfreshwater
9″·75+ gal·peaceful
fish
Eeasy

L183 Starlight Bristlenose Pleco

Ancistrus dolichopterus

fishfreshwater
5″·40+ gal·peaceful
fish
Mmedium

L191 Royal Farlowella

Sturisoma aureum

fishfreshwater
5.5″·40+ gal·peaceful
fish
Hhard

L236 White Line Tiger Pleco

Hypancistrus sp. L236

fishfreshwater
3.5″·20+ gal·peaceful
fish
Mmedium

L260 Queen Arabesque Pleco

Hemiancistrus sp. L260

fishfreshwater
5.5″·55+ gal·peaceful
fish
Xexpert

L264 Sultan Pleco

Leporacanthicus joselimai

fishfreshwater
8″·75+ gal·semi-aggr.
fish
Mmedium

L270 Tapajos Red Pleco

Hemiancistrus sp. L270

fishfreshwater
5.5″·55+ gal·peaceful
fish
Xexpert

L333 King Tiger Pleco

Hypancistrus sp. L333

fishfreshwater
5″·40+ gal·semi-aggr.
fish
beginner

Laguna de Patos Endler

Poecilia wingei

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

Lake Kutubu Rainbowfish

Melanotaenia lacustris

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

Lake Tebera Rainbowfish

Melanotaenia herbertaxelrodi

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

Lambchop Rasbora

Trigonostigma espei

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