Shoal & Stem

Species Catalogue

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

fish
easy

Dumbo Ear Guppy

Poecilia reticulata

fishfreshwater
2″·10+ gal·group 3+·peaceful
coral
easy

Duncan Coral

Duncanopsammia axifuga

coralsaltwater
2″·30+ gal·peaceful
fish
medium

Dwarf Anchor Catfish

Hara jerdoni

fishfreshwater
1.5″·10+ gal·group 3+·peaceful
invertebrate
easy

Dwarf Blue Crayfish

Cambarellus diminutus

invertebratefreshwater
1.2″·10+ gal·peaceful
fish
medium

Dwarf Marbled Catfish

Microglanis poecilus

fishfreshwater
2.8″·20+ gal·semi-aggr.
invertebrate
easy

Dwarf Mexican Brown Crayfish

Cambarellus montezumae

invertebratefreshwater
1.6″·10+ gal·peaceful
fish
easy

Dwarf Pencilfish

Nannostomus marginatus

fishfreshwater
1.2″·10+ gal·group 6+·peaceful
terrestrial
easy

Dwarf Umbrella Tree

Heptapleurum arboricola

terrestrialfreshwater
Medium to bright indirect light·Moderate growth
plant
easy

Echinodorus Aflame

Echinodorus sp. 'Aflame'

plantfreshwater
Midground·Slow growth
plant
easy

Echinodorus Bleheri

Echinodorus bleheri

plantfreshwater
Background·Medium to high light·Moderate growth
plant
medium

Echinodorus Kleiner Bar

Echinodorus 'Kleiner Bär'

plantfreshwater
Midground·Medium growth
plant
medium

Echinodorus Oriental

Echinodorus 'Oriental'

plantfreshwater
Midground·Medium growth
plant
easy

Echinodorus Radicans

Echinodorus cordifolius

plantfreshwater
Background·Fast growth
plant
easy

Echinodorus Reni

Echinodorus sp. 'Reni'

plantfreshwater
Midground·Slow growth
plant
easy

Echinodorus Uruguayensis

Echinodorus uruguayensis

plantfreshwater
Background·Medium to high light·Moderate growth
plant
medium

Echinodorus Vesuvius

Echinodorus 'Vesuvius'

plantfreshwater
Midground·Medium growth
fish
medium

Eel Loach

Pangio anguillaris

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

Eggers' Notho

Nothobranchius eggersi

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

Egyptian Mouthbrooder

Pseudocrenilabrus multicolor

fishfreshwater
3″·20+ gal·peaceful
fish
easy

El Tigre Endler

Poecilia wingei

fishfreshwater
1.2″·5+ gal·group 3+·peaceful
plant
medium

Elatine Hydropiper

Elatine hydropiper

plantfreshwater
Carpet·Moderate growth
fish
medium

Electric Blue Agassiz's Dwarf Cichlid

Apistogramma agassizii

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

Electric Blue Crayfish

Procambarus alleni

invertebratefreshwater
5.5″·20+ gal·aggressive
fish
medium

Electric Blue Ram

Mikrogeophagus ramirezi

fishfreshwater
2.5″·20+ gal·group 2+·peaceful
fish
easy

Electric Yellow Lab

Labidochromis caeruleus

fishfreshwater
4″·30+ gal·semi-aggr.
coral
expert

Elegance Coral

Catalaphyllia jardinei

coralsaltwater
2″·40+ gal·peaceful
fish
easy

Elegant Corydoras

Corydoras elegans

fishfreshwater
2.25″·15+ gal·group 6+·peaceful
fish
medium

Elegant Rasbora

Rasbora elegans

fishfreshwater
4″·40+ gal·group 6+·peaceful
plant
medium

Eleocharis Belem

Eleocharis sp. 'Belem'

plantfreshwater
Carpet·High light·Slow growth
plant
medium

Eleocharis Mini

Eleocharis sp. 'Mini'

plantfreshwater
Carpet·Slow growth
fish
hard

Elephant Nose Fish

Gnathonemus petersii

fishfreshwater
9″·50+ gal·semi-aggr.
fish
hard

Elizabeth's Dwarf Cichlid

Apistogramma elizabethae

fishfreshwater
3″·20+ gal·semi-aggr.
shrimp
easy

Emerald Green Shrimp

Neocaridina davidi

shrimpfreshwater
1.5″·5+ gal·group 10+·peaceful
fish
hard

Emperor Angelfish

Pomacanthus imperator

fishsaltwater
15″·150+ gal·semi-aggr.
fish
easy

Empire Gudgeon

Hypseleotris compressa

fishfreshwater
4″·20+ gal·peaceful
fish
easy

Endler Guppy

Poecilia wingei × Poecilia reticulata

fishfreshwater
1.5″·5+ gal·group 3+·peaceful