Shoal & Stem

Species Catalogue

1,376 species — care guides, community photos, water parameters, and tank-mate compatibility.

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.
plant
intermediate

Lagenandra Meeboldii Green

Lagenandra meeboldii 'Green'

plantfreshwater

Green form of Lagenandra meeboldii with thick, textured leaves. Very different look from crypts despite being related. Hardy once established.

plant
intermediate

Lagenandra Meeboldii Red

Lagenandra meeboldii 'Red'

plantfreshwater

Stunning Indian aroid with broad, waxy red-purple leaves. Looks like a large, colourful Anubias. Slow-growing centrepiece plant.

plant
intermediate

Lagenandra Nairii

Lagenandra nairii

plantfreshwater

Large, arrow-shaped leaves with dark green to olive colouring. A dramatic specimen plant that grows slowly and stays beautiful.

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
fish
intermediate

Laser Corydoras

Corydoras sp. 'CW010'

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

Laurencia

Laurencia sp.

algaesaltwater

Bushy, branching red-to-purple macroalgae with cylindrical, succulent-looking branches. Common in intertidal zones worldwide. Used as a food source by certain nudibranchs and sea hares. Adds colour to refugia and is a moderate nutrient exporter. More compact and ornamental than Gracilaria.

fish
beginner

Lawnmower Blenny

Salarias fasciatus

fishsaltwater
4.5″·30+ gal·peaceful
fish
beginner

Least Killifish

Heterandria formosa

fishfreshwater
1.5″·5+ gal·group 3+·peaceful
fish
intermediate

Least Rasbora

Boraras micros

fishfreshwater
0.5″·5+ gal·group 10+·peaceful
coral
beginner

Leather Coral

Sarcophyton spp.

coralsaltwater
2″·50+ gal·peaceful
fish
beginner

Lemon Blue Eye Bristlenose Pleco

Ancistrus sp.

fishfreshwater
5″·20+ gal·peaceful
fish
intermediate

Lemon Cichlid

Neolamprologus leleupi

fishfreshwater
4″·30+ gal·semi-aggr.