Species Catalogue

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

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Starting outBeginner fish Easy plants Beginner shrimp Beginner snails Peaceful community

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TypeAll Fish Plants Terrestrial Plants Shrimp Snails Amphibians Algae Invertebrates

DifficultyAll Easy Medium Hard Expert

Willow Hygrophila

Hygrophila salicifolia

plantfreshwater

Background·Low–high light

Yellow Assessor

Assessor flavissimus

2.5″·20+ gal·peaceful

Yellow Cheek Shrimp

Caridina striata

shrimpfreshwater

1.2″·5+ gal·group 6+·peaceful

Yellow Fire Shrimp

Neocaridina davidi

shrimpfreshwater

1.2″·5+ gal·group 6+·peaceful

Yellow Phantom Tetra

Hyphessobrycon roseus

1.2″·10+ gal·group 6+·peaceful

Yellow Rili Shrimp

Neocaridina davidi

shrimpfreshwater

1.5″·5+ gal·group 10+·peaceful

Yellow Swordtail

Xiphophorus hellerii

4.5″·20+ gal·group 3+·peaceful

Yellow Tang

Zebrasoma flavescens

8″·75+ gal·semi-aggr.

Yellow Tiger Endler

Poecilia wingei

1.2″·5+ gal·group 3+·peaceful

Yellow Watchman Goby

Cryptocentrus cinctus

3.5″·30+ gal·peaceful

Yellowhead Jawfish

Opistognathus aurifrons

4″·30+ gal·group 3+·peaceful

Yellowtail Blue Damsel

Chrysiptera parasema

2.5″·30+ gal·semi-aggr.

Yoyo Loach

Botia almorhae

2.5″·20+ gal·group 4+·semi-aggr.

Yucatan Molly

Poecilia velifera

6″·40+ gal·group 3+·peaceful

ZZ Plant

Zamioculcas zamiifolia

terrestrialfreshwater

Low to bright indirect light·Slow growth

Zebra Loach

Botia striata

3.5″·20+ gal·group 5+·semi-aggr.

Zygatus Corydoras

Corydoras zygatus

2″·15+ gal·group 6+·peaceful