Shoal & Stem

Species Catalogue

1,570 species — care guides, community photos, water parameters, and tank-mate compatibility.

algae
medium

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.

amphibian
medium

Lavender Axolotl

Ambystoma mexicanum

amphibianfreshwater
10″·20+ gal·peaceful
fish
easy

Lawnmower Blenny

Salarias fasciatus

fishsaltwater
4.5″·30+ gal·peaceful
fish
medium

Least Rasbora

Boraras urophthalmoides

fishfreshwater
0.8″·5+ gal·group 8+·peaceful
coral
easy

Leather Coral

Sarcophyton spp.

coralsaltwater
2″·50+ gal·peaceful
fish
easy

Lemon Blue Eye Bristlenose Pleco

Ancistrus sp.

fishfreshwater
5″·20+ gal·peaceful
fish
medium

Lemon Cichlid

Neolamprologus leleupi

fishfreshwater
4″·30+ gal·semi-aggr.
fish
medium

Lemonpeel Angelfish

Centropyge flavissima

fishsaltwater
5.5″·55+ gal·semi-aggr.
fish
medium

Leopard Angelfish

Pterophyllum scalare

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

Leopard Danio

Danio rerio

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

Leopard Discus

Symphysodon sp.

fishfreshwater
6″·55+ gal·group 4+·peaceful
fish
medium

Leopard Frog Pleco

Peckoltia compta

fishfreshwater
4″·30+ gal·semi-aggr.
snail
easy

Leopard Ramshorn Snail

Planorbella duryi

snailfreshwater
1.25″·5+ gal·peaceful
fish
hard

Leopold's Angelfish

Pterophyllum leopoldi

fishfreshwater
4″·30+ gal·group 2+·semi-aggr.
fish
medium

Lesser Spiny Eel

Macrognathus aculeatus

fishfreshwater
14″·55+ gal·peaceful
fish
easy

Leucomelas Corydoras

Corydoras leucomelas

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

Licorice Gourami

Parosphromenus deissneri

fishfreshwater
1.5″·10+ gal·peaceful
plant
medium

Lilaeopsis Mauritius

Lilaeopsis mauritiana

plantfreshwater
Carpet·Moderate growth
plant
easy

Lilaeopsis New Zealand

Lilaeopsis novae-zelandiae

plantfreshwater
Carpet·Slow growth
plant
medium

Limnophila Aromaticoides

Limnophila aromaticoides

plantfreshwater
Background·Fast growth
plant
medium

Limnophila Rugosa

Limnophila rugosa

plantfreshwater
Midground·Moderate growth
plant
medium

Limnophila Vietnam

Limnophila sp. 'Vietnam'

plantfreshwater
Background·Fast growth
fish
hard

Lined Seahorse

Hippocampus erectus

fishsaltwater
6″·30+ gal·group 2+·peaceful
fish
medium

Linke's Licorice Gourami

Parosphromenus linkei

fishfreshwater
1.2″·10+ gal·peaceful
fish
medium

Lionhead Goldfish

Carassius auratus

fishfreshwater
6″·20+ gal·peaceful
plant
medium

Littorella Uniflora

Littorella uniflora

plantfreshwater
Foreground·Slow growth
plant
easy

Lobelia Small Form

Lobelia cardinalis

plantfreshwater
Midground
coral
easy

Lobo Coral

Lobophyllia hemprichii

coralsaltwater
2″·30+ gal·peaceful
fish
easy

London Shubunkin

Carassius auratus

fishfreshwater
12″·40+ gal·peaceful
fish
easy

Longfin Bristlenose Pleco

Ancistrus sp.

fishfreshwater
5″·20+ gal·peaceful
fish
easy

Longfin Calico Bristlenose Pleco

Ancistrus sp.

fishfreshwater
5″·20+ gal·peaceful
fish
easy

Longfin Rosy Barb

Pethia conchonius

fishfreshwater
3.5″·25+ gal·group 6+·semi-aggr.
fish
medium

Longfin Tiger Barb

Puntigrus tetrazona

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

Longfin Zebra Danio

Danio rerio

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

Longnose Butterflyfish

Forcipiger flavissimus

fishsaltwater
8.5″·75+ gal·peaceful
fish
easy

Loreto Corydoras

Corydoras loretoensis

fishfreshwater
1.2″·20+ gal·group 4+·peaceful