Shoal & Stem

Species Catalogue

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

fish
medium

Amazon Leaf Fish

Monocirrhus polyacanthus

fishfreshwater
3.5″·20+ gal·peaceful
plant
medium

Ammannia Gracilis

Ammannia gracilis

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

Ammannia Senegalensis

Ammannia senegalensis

plantfreshwater
Background·Moderate growth
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.

fish
medium

Angelicus Synodontis

Synodontis angelicus

fishfreshwater
10″·55+ gal·semi-aggr.
plant
medium

Anubias Snow White

Anubias barteri var. nana

plantfreshwater
Foreground·Low to medium light·Very 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
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
medium

Asian Stone Catfish

Hara hara

fishfreshwater
1″·10+ gal·group 4+·peaceful
plant
medium

Asian Water Fern

Bolbitis heteroclita

plantfreshwater
Epiphyte·Slow growth
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
plant
medium

Australian Buttercup

Ranunculus papulentus

plantfreshwater
Foreground·Moderate growth
amphibian
medium

Axanthic Axolotl

Ambystoma mexicanum

amphibianfreshwater
10″·20+ gal·peaceful
amphibian
medium

Axolotl

Ambystoma mexicanum

amphibianfreshwater
10″·20+ gal·peaceful
plant
medium

Bacopa Colorata

Bacopa sp. 'Colorata'

plantfreshwater
Midground·Moderate growth
fish
medium

Bala Shark

Balantiocheilos melanopterus

fishfreshwater
14″·125+ gal·group 3+·peaceful
fish
medium

Balloon Ram

Mikrogeophagus ramirezi

fishfreshwater
2″·20+ gal·group 2+·peaceful
shrimp
medium

Bamboo Shrimp

Atyopsis moluccensis

shrimpfreshwater
3″·20+ gal·group 2+·peaceful
fish
medium

Banded Leporinus

Leporinus fasciatus

fishfreshwater
12″·55+ gal·semi-aggr.
plant
medium

Barclaya Longifolia

Barclaya longifolia

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

Bartlett's Anthias

Pseudanthias bartlettorum

fishsaltwater
3.5″·75+ gal·group 3+·peaceful
fish
medium

Betta Coccina

Betta coccina

fishfreshwater
1.8″·5+ gal·semi-aggr.
fish
medium

Betta Foerschi

Betta foerschi

fishfreshwater
3.5″·20+ gal·peaceful
fish
medium

Betta Hendra

Betta hendra

fishfreshwater
2.5″·10+ gal·semi-aggr.
fish
medium

Betta Mahachaiensis

Betta mahachaiensis

fishfreshwater
2.5″·5+ gal·semi-aggr.
fish
medium

Betta Patoti

Betta patoti

fishfreshwater
1.5″·10+ gal·peaceful
fish
medium

Betta Persephone

Betta persephone

fishfreshwater
2.5″·10+ gal·semi-aggr.
fish
medium

Betta Picta

Betta picta

fishfreshwater
3.5″·20+ gal·peaceful