Shoal & Stem

Species Catalogue

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

German Blue Ramhard

German Blue Ram

Mikrogeophagus ramirezi

fishfreshwater
3″·20+ gal·group 2+·peaceful
fish
hard

Achilles Tang

Acanthurus achilles

fishsaltwater
9″·100+ gal·semi-aggr.
fish
hard

Adonis Pleco

Acanthicus adonis

fishfreshwater
24″·150+ gal·peaceful
fish
hard

Altum Angelfish

Pterophyllum altum

fishfreshwater
8″·55+ gal·group 2+·semi-aggr.
fish
hard

Arrowhead Puffer

Pao suvattii

fishfreshwater
5″·40+ gal·aggressive
fish
hard

Auratus Cichlid

Melanochromis auratus

fishfreshwater
4.3″·55+ gal·aggressive
fish
hard

Bicolor Angelfish

Centropyge bicolor

fishsaltwater
6″·55+ gal·semi-aggr.
fish
hard

Black Ghost Knifefish

Apteronotus albifrons

fishfreshwater
20″·100+ gal·semi-aggr.
fish
hard

Blue Diamond Discus

Symphysodon sp.

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

Bronze Featherback

Notopterus notopterus

fishfreshwater
12″·75+ gal·peaceful
fish
hard

Brown Ghost Knifefish

Apteronotus leptorhynchus

fishfreshwater
8″·40+ gal·semi-aggr.
fish
hard

Checkerboard Cichlid

Dicrossus filamentosus

fishfreshwater
3″·20+ gal·group 2+·peaceful
fish
hard

Chocolate Gourami

Sphaerichthys osphromenoides

fishfreshwater
2.5″·20+ gal·group 4+·peaceful
fish
hard

Cleaner Wrasse

Labroides dimidiatus

fishsaltwater
5.5″·55+ gal·peaceful
fish
hard

Congo Puffer

Tetraodon miurus

fishfreshwater
6″·30+ gal·aggressive
fish
hard

Copperband Butterflyfish

Chelmon rostratus

fishsaltwater
8″·75+ gal·peaceful
fish
hard

Demasoni Cichlid

Pseudotropheus demasoni

fishfreshwater
3″·55+ gal·group 12+·aggressive
fish
hard

Duboisi Cichlid

Tropheus duboisi

fishfreshwater
5″·75+ gal·group 6+·aggressive
fish
hard

Elephant Nose Fish

Gnathonemus petersii

fishfreshwater
9″·50+ gal·semi-aggr.
fish
hard

Elizabeth's Dwarf Cichlid

Apistogramma elizabethae

fishfreshwater
3″·20+ gal·semi-aggr.
fish
hard

Emperor Angelfish

Pomacanthus imperator

fishsaltwater
15″·150+ gal·semi-aggr.
fish
hard

Fahaka Puffer

Tetraodon lineatus

fishfreshwater
18″·125+ gal·aggressive
fish
hard

Fire Eel

Mastacembelus erythrotaenia

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

Freshwater Pipefish

Doryichthys martensii

fishfreshwater
7″·20+ gal·peaceful
fish
hard

Gold Nugget Pleco

Baryancistrus xanthellus

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

Golden Discus

Symphysodon sp.

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

Jaguar Cichlid

Parachromis managuensis

fishfreshwater
16″·75+ gal·aggressive
fish
hard

L081 Gold Nugget Pleco Medium Spot

Baryancistrus sp. L081

fishfreshwater
8″·75+ gal·peaceful
fish
hard

L177 Gold Nugget Pleco

Baryancistrus sp. L177

fishfreshwater
9″·75+ gal·peaceful
fish
hard

L236 White Line Tiger Pleco

Hypancistrus sp. L236

fishfreshwater
3.5″·20+ gal·peaceful
fish
hard

Leopard Discus

Symphysodon sp.

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

Leopold's Angelfish

Pterophyllum leopoldi

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

Licorice Gourami

Parosphromenus deissneri

fishfreshwater
1.5″·10+ gal·peaceful
fish
hard

Lined Seahorse

Hippocampus erectus

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

Moorish Idol

Zanclus cornutus

fishsaltwater
9″·100+ gal·peaceful
fish
hard

Mudskipper

Periophthalmus barbarus

fishbrackish
6″·30+ gal·semi-aggr.