Shoal & Stem

Species Catalogue

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

fish
easy

Croaking Gourami

Trichopsis vittata

fishfreshwater
2.8″·10+ gal·peaceful
fish
easy

Cuban Rivulus

Rivulus cylindraceus

fishfreshwater
2.2″·5+ gal·peaceful
fish
easy

Cuming's Barb

Puntius cumingii

fishfreshwater
2″·20+ gal·group 6+·peaceful
fish
medium

Cylindricus Cichlid

Neolamprologus cylindricus

fishfreshwater
4″·20+ gal·semi-aggr.
fish
easy

Daffodil Cichlid

Neolamprologus pulcher

fishfreshwater
4″·30+ gal·semi-aggr.
fish
medium

Dageti Killifish

Epiplatys dageti

fishfreshwater
1.2″·10+ gal·peaceful
fish
easy

Dalmatian Platy

Xiphophorus maculatus

fishfreshwater
2.5″·10+ gal·group 5+·peaceful
fish
easy

Dalmatian Sailfin Molly

Poecilia latipinna

fishfreshwater
4″·30+ gal·group 3+·peaceful
fish
medium

Darter Tetra

Characidium fasciatum

fishfreshwater
1.5″·15+ gal·group 6+·peaceful
fish
easy

David Sands' Corydoras

Corydoras davidsandsi

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

Day's Paradise Fish

Pseudosphromenus dayi

fishfreshwater
2.5″·10+ gal·group 2+·peaceful
fish
medium

Delhezi Bichir

Polypterus delhezi

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

Delphax Corydoras

Corydoras delphax

fishfreshwater
2″·15+ gal·group 6+·peaceful
fish
hard

Demasoni Cichlid

Pseudotropheus demasoni

fishfreshwater
3″·55+ gal·group 12+·aggressive
fish
easy

Desert Goby

Chlamydogobius eremius

fishfreshwater
2.4″·10+ gal·peaceful
fish
easy

Diamond Tetra

Moenkhausia pittieri

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

Diamond Watchman Goby

Valenciennea puellaris

fishsaltwater
6″·30+ gal·peaceful
fish
expert

Discus

Symphysodon spp.

fishfreshwater
8″·55+ gal·group 4+·peaceful
fish
medium

Disk Tetra

Myleus schomburgkii

fishfreshwater
12″·75+ gal·peaceful
fish
medium

Doctor Fish

Garra rufa

fishfreshwater
2.4″·20+ gal·group 6+·peaceful
fish
easy

Dog Face Puffer

Arothron nigropunctatus

fishsaltwater
13″·100+ gal·semi-aggr.
fish
easy

Dojo Loach

Misgurnus anguillicaudatus

fishfreshwater
6″·30+ gal·group 3+·peaceful
fish
easy

Domino Damsel

Dascyllus trimaculatus

fishsaltwater
5.5″·30+ gal·aggressive
fish
medium

Doria's Bumblebee Goby

Brachygobius doriae

fishbrackish
1.6″·10+ gal·group 6+·semi-aggr.
fish
medium

Double Red Cockatoo Dwarf Cichlid

Apistogramma cacatuoides

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

Dovii Cichlid

Parachromis dovii

fishfreshwater
28″·180+ gal·aggressive
fish
easy

Dragon Guppy

Poecilia reticulata

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

Duboisi Cichlid

Tropheus duboisi

fishfreshwater
5″·75+ gal·group 6+·aggressive
fish
easy

Dumbo Ear Guppy

Poecilia reticulata

fishfreshwater
2″·10+ gal·group 3+·peaceful
fish
medium

Dwarf Anchor Catfish

Hara jerdoni

fishfreshwater
1.5″·10+ gal·group 3+·peaceful
fish
medium

Dwarf Marbled Catfish

Microglanis poecilus

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

Dwarf Pencilfish

Nannostomus marginatus

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