Shoal & Stem

Species Catalogue

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

algae
medium

Amphiroa (Jointed Coralline)

Amphiroa fragilissima

algaesaltwater

Delicate, jointed branching coralline algae with alternating calcified segments and flexible joints — looks like tiny white-pink antlers. Forms low tufts on rockwork. A living indicator of good calcium and alkalinity levels. Grazed by urchins but otherwise grows without intervention in a mature reef.

plant
easy

Anchor Moss

Taxiphyllum sp. 'Anchor'

plantfreshwater
Epiphyte·Slow growth
terrestrial
easy

Anthurium

Anthurium andraeanum

terrestrialfreshwater
Bright indirect light·Moderate growth
plant
easy

Anubias Broad Leaf

Anubias barteri var. barteri

plantfreshwater
Epiphyte·Slow growth
plant
easy

Anubias Gracilis

Anubias gracilis

plantfreshwater
Midground·Low to medium light·Slow growth
plant
easy

Anubias Hastifolia

Anubias hastifolia

plantfreshwater
Low to medium light·Very growth
plant
easy

Anubias Lanceolata

Anubias barteri var. lanceolata

plantfreshwater
Background·Low to medium light·Slow growth
plant
easy

Anubias Nana Bonsai

Anubias barteri var. nana

plantfreshwater
Foreground·Low to medium light·Very growth
plant
easy

Anubias Nana Pinto

Anubias barteri var. nana Pinto

plantfreshwater
Epiphyte·Slow growth
plant
easy

Anubias Nangi

Anubias barteri 'Nangi'

plantfreshwater
Epiphyte·Slow growth
plant
easy

Anubias Pangolino

Anubias barteri var. nana 'Pangolino'

plantfreshwater
Epiphyte·Very growth
plant
medium

Anubias Snow White

Anubias barteri var. nana

plantfreshwater
Foreground·Low to medium light·Very growth
plant
easy

Anubias Stardust

Anubias 'Stardust'

plantfreshwater
Epiphyte·Slow growth
plant
easy

Anubias Wrinkle Leaf

Anubias barteri Wrinkle Leaf

plantfreshwater
Epiphyte·Slow growth
fish
medium

Apistogramma Baenschi

Apistogramma baenschi

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

Apistogramma Bitaeniata

Apistogramma bitaeniata

fishfreshwater
2.5″·20+ gal·peaceful
fish
medium

Apistogramma Iniridae

Apistogramma iniridae

fishfreshwater
2.5″·20+ gal·peaceful
plant
medium

Aponogeton Boivinianus

Aponogeton boivinianus

plantfreshwater
Background·Medium–High light·Moderate growth
plant
medium

Aponogeton Capuronii

Aponogeton capuronii

plantfreshwater
Midground·Moderate growth
plant
easy

Aponogeton Crispus

Aponogeton crispus

plantfreshwater
Background·Low–High light·Moderate–fast growth
plant
easy

Aponogeton Longiplumulosus

Aponogeton longiplumulosus

plantfreshwater
Background·Fast growth
plant
easy

Aponogeton Natans

Aponogeton natans

plantfreshwater
Floating·Fast growth
plant
medium

Araguaia Hygrophila

Hygrophila lancea

plantfreshwater
Midground·Medium–high light
fish
medium

Archerfish

Toxotes jaculatrix

fishbrackish
10″·55+ gal·group 3+·semi-aggr.
fish
medium

Argentine Pearlfish

Austrolebias bellottii

fishfreshwater
1.5″·10+ gal·semi-aggr.
fish
medium

Armatus Corydoras

Corydoras armatus

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

Arowana

Osteoglossum bicirrhosum

fishfreshwater
36″·250+ gal·semi-aggr.
fish
hard

Arrowhead Puffer

Pao suvattii

fishfreshwater
5″·40+ gal·aggressive
fish
medium

Arulius Barb

Dawkinsia arulius

fishfreshwater
5″·55+ gal·group 6+·semi-aggr.
fish
medium

Asian Bumblebee Catfish

Pseudomystus siamensis

fishfreshwater
5″·30+ gal·semi-aggr.
fish
medium

Asian Stone Catfish

Hara jerdoni

fishfreshwater
1.2″·10+ gal·group 4+·peaceful
snail
easy

Astrea Snail

Astraea tecta

snailsaltwater
2″·10+ gal·peaceful
fish
medium

Atlantic Blue Tang

Acanthurus coeruleus

fishsaltwater
9″·75+ gal·semi-aggr.
shrimp
medium

Aura Blue Shrimp

Caridina sp. (Aura)

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

Auratus Cichlid

Melanochromis auratus

fishfreshwater
4.3″·55+ gal·aggressive
fish
medium

Aureum Cichlid

Thorichthys aureum

fishfreshwater
6″·40+ gal·semi-aggr.