Shoal & Stem

Species Catalogue

1,492 species — care guides, community photos, water parameters, and tank-mate compatibility.

fish
hard

Adonis Pleco

Acanthicus adonis

fishfreshwater
24″·150+ gal·peaceful
fish
medium

African Butterflyfish

Pantodon buchholzi

fishfreshwater
5″·30+ gal·semi-aggr.
amphibian
easy

African Clawed Frog

Xenopus laevis

amphibianfreshwater
5″·15+ gal
plant
easy

African Crinum

Crinum calamistratum

plantfreshwater

Striking background plant with long, narrow, wavy green leaves. Grows from a large bulb and can reach impressive heights. Very tolerant and long-lived. Low maintenance.

amphibian
medium

African Dwarf Frog

Hymenochirus boettgeri

amphibianfreshwater
1.5″·5+ gal·group 3+·peaceful
shrimp
hard

African Fan Shrimp

Desmocaris trispinosa

shrimpfreshwater
1.5″·20+ gal·group 3+·peaceful
fish
medium

African Glass Catfish

Pareutropius debauwi

fishfreshwater
3.5″·20+ gal·group 6+·peaceful
fish
medium

African Knife Fish

Xenomystus nigri

fishfreshwater
6″·55+ gal·semi-aggr.
fish
expert

African Lungfish

Protopterus annectens

fishfreshwater
39″·200+ gal·aggressive
plant
easy

African Tiger Lotus

Nymphaea zenkeri

plantfreshwater

Stunning lily with red-spotted leaves. Grows from a bulb and alternates between broad, flat pads and long petioles reaching the surface. Remove surface leaves to keep it compact.

plant
medium

African Water Fern

Bolbitis heudelotii

plantfreshwater
Epiphyte·Low to medium light·Slow growth
fish
easy

Agassiz's Corydoras

Corydoras agassizii

fishfreshwater
1.5″·20+ gal·group 4+·peaceful
fish
medium

Agassiz's Dwarf Cichlid

Apistogramma agassizii

fishfreshwater
3″·20+ gal·group 2+·semi-aggr.
fish
medium

Albino Angelfish

Pterophyllum scalare

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

Albino Bristlenose Pleco

Ancistrus sp.

fishfreshwater
5″·20+ gal·peaceful
fish
easy

Albino Longfin Bristlenose Pleco

Ancistrus sp.

fishfreshwater
5″·20+ gal·peaceful
fish
medium

Albino Oscar

Astronotus ocellatus

fishfreshwater
14″·75+ gal·semi-aggr.
fish
medium

Albino Rainbow Shark

Epalzeorhynchos frenatum

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

Albino Tiger Barb

Puntigrus tetrazona

fishfreshwater
3″·20+ gal·group 6+·semi-aggr.
plant
medium

Alternanthera Lilacina

Alternanthera lilacina

plantfreshwater
Midground·Medium growth
plant
medium

Alternanthera Reineckii

Alternanthera reineckii

plantfreshwater

A vibrant stem plant from South America prized for its deep red to purple undersides. It requires moderate to high light and CO2 injection to maintain its color and healthy growth. Often used as a midground accent plant in planted tanks.

plant
medium

Alternanthera Reineckii Mini

Alternanthera reineckii 'Mini'

plantfreshwater
Midground·High light·Slow growth
plant
hard

Alternanthera Reineckii Pink

Alternanthera reineckii Pink

plantfreshwater
Midground·Medium growth
plant
hard

Alternanthera Reineckii Purple

Alternanthera reineckii Purple

plantfreshwater
Midground·Medium growth
plant
medium

Alternanthera Reineckii Rosanervig

Alternanthera reineckii 'Rosanervig'

plantfreshwater
Background·High light·Moderate growth
fish
hard

Altum Angelfish

Pterophyllum altum

fishfreshwater
8″·55+ gal·group 2+·semi-aggr.
plant
easy

Amazon Frogbit

Limnobium laevigatum

plantfreshwater
Medium to high light·Fast growth
fish
medium

Amazon Leaf Fish

Monocirrhus polyacanthus

fishfreshwater
3.5″·20+ gal·peaceful
fish
easy

Amazon Molly

Poecilia formosa

fishfreshwater
2.5″·10+ gal·group 3+·peaceful
fish
easy

Ambiacus Corydoras

Corydoras ambiacus

fishfreshwater
2″·15+ gal·group 6+·peaceful
plant
medium

Ammannia Gracilis

Ammannia gracilis

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

Ammannia Pedicellata

Ammannia pedicellata

plantfreshwater
Midground·Moderate 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.

plant
easy

Anchor Moss

Taxiphyllum sp. 'Anchor'

plantfreshwater
Epiphyte·Slow growth
fish
medium

Angelicus Synodontis

Synodontis angelicus

fishfreshwater
10″·55+ gal·semi-aggr.