Shoal & Stem

Species Catalogue

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

coral
hard

Goniopora

Goniopora sp.

coralsaltwater
2″·30+ gal·peaceful
fish
hard

Jaguar Cichlid

Parachromis managuensis

fishfreshwater
16″·75+ gal·aggressive
shrimp
hard

King Kong Shrimp

Caridina cantonensis

shrimpfreshwater
1.2″·5+ gal·group 6+·peaceful
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
plant
hard

Ludwigia Cuba

Ludwigia inclinata var. verticillata 'Cuba'

plantfreshwater
Background·Fast growth
plant
hard

Ludwigia Pantanal

Ludwigia inclinata var. verticillata 'Pantanal'

plantfreshwater
Midground·Moderate growth
plant
hard

Ludwigia Senegalensis

Ludwigia senegalensis

plantfreshwater
Midground·Slow growth
plant
hard

Ludwigia White

Ludwigia palustris 'White'

plantfreshwater
Midground·Slow growth
algae
hard

Lyngbya

Lyngbya sp.

algaefreshwater

Dark, wiry filaments of cyanobacteria that form dense mats — often mistaken for BBA. Unlike true algae, it can fix atmospheric nitrogen, meaning low nitrogen levels do not suppress it. Produces toxins harmful to invertebrates. Requires the same treatment as blue-green algae: blackout, H₂O₂ treatment, and improved flow.

fish
hard

Marbled Sleeper Goby

Oxyeleotris marmorata

fishfreshwater
24″·200+ gal·aggressive
coral
hard

Montipora

Montipora sp.

coralsaltwater
2″·40+ gal·peaceful
fish
hard

Moorish Idol

Zanclus cornutus

fishsaltwater
9″·100+ gal·peaceful
shrimp
hard

Mosura Pinto Shrimp

Caridina logemanni

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

Mosura Shrimp

Caridina logemanni

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

Mudskipper

Periophthalmus barbarus

fishbrackish
6″·30+ gal·semi-aggr.
fish
hard

Ornate Pimelodus

Pimelodus ornatus

fishfreshwater
14″·180+ gal·semi-aggr.
plant
hard

Ottelia Mesenterium

Ottelia mesenterium

plantfreshwater
Moderate growth
fish
hard

Pacu

Colossoma macropomum

fishfreshwater
42″·500+ gal·semi-aggr.
fish
hard

Peacock Bass

Cichla ocellaris

fishfreshwater
24″·200+ gal·aggressive
fish
hard

Pigeon Blood Discus

Symphysodon sp.

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

Pike Cichlid

Crenicichla sp.

fishfreshwater
10″·55+ gal·aggressive
shrimp
hard

Pinto Shrimp

Caridina cantonensis var. 'Pinto'

shrimpfreshwater
1.2″·5+ gal·group 6+·peaceful
fish
hard

Potter's Angelfish

Centropyge potteri

fishsaltwater
5″·55+ gal·semi-aggr.
fish
hard

Powder Blue Tang

Acanthurus leucosternon

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

Purple Ludwigia

Ludwigia glandulosa

plantfreshwater
Midground
fish
hard

Queen Angelfish

Holacanthus ciliaris

fishsaltwater
18″·250+ gal·semi-aggr.
fish
hard

Red Arc Pencilfish

Nannostomus mortenthaleri

fishfreshwater
1.4″·15+ gal·group 8+·peaceful
fish
hard

Red Devil Cichlid

Amphilophus labiatus

fishfreshwater
12″·75+ gal·aggressive
shrimp
hard

Red Galaxy Pinto Shrimp

Caridina logemanni

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

Red Tail Catfish

Phractocephalus hemioliopterus

fishfreshwater
48″·1000+ gal·aggressive