Shoal & Stem

Species Catalogue

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

fish
medium

Chinese Hillstream Loach

Pseudogastromyzon myersi

fishfreshwater
2.5″·20+ gal·group 3+·peaceful
snail
easy

Chinese Trapdoor Snail

Bellamya chinensis

snailfreshwater
2.5″·20+ gal·peaceful
fish
medium

Chocolate Cichlid

Hypselecara temporalis

fishfreshwater
10″·75+ gal·peaceful
fish
hard

Chocolate Gourami

Sphaerichthys osphromenoides

fishfreshwater
2.5″·20+ gal·group 4+·peaceful
shrimp
easy

Chocolate Rili Shrimp

Neocaridina davidi

shrimpfreshwater
1.5″·5+ gal·group 10+·peaceful
shrimp
easy

Chocolate Shrimp

Neocaridina davidi var. 'Chocolate'

shrimpfreshwater
1.2″·5+ gal·group 6+·peaceful
plant
easy

Christmas Moss

Vesicularia montagnei

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

Cinnamon Clownfish

Amphiprion melanopus

fishsaltwater
4.5″·30+ gal·semi-aggr.
fish
easy

Clark's Clownfish

Amphiprion clarkii

fishsaltwater
5″·20+ gal·semi-aggr.
shrimp
easy

Cleaner Shrimp

Lysmata amboinensis

shrimpsaltwater
2.5″·30+ gal·group 2+·peaceful
fish
hard

Cleaner Wrasse

Labroides dimidiatus

fishsaltwater
5.5″·55+ gal·peaceful
fish
medium

Climbing Perch

Anabas testudineus

fishfreshwater
10″·40+ gal·semi-aggr.
coral
easy

Clove Polyps

Clavularia sp.

coralsaltwater
2″·30+ gal·peaceful
fish
expert

Clown Featherback

Chitala ornata

fishfreshwater
39″·200+ gal·aggressive
fish
medium

Clown Loach

Chromobotia macracanthus

fishfreshwater
12″·75+ gal·group 5+·peaceful
fish
easy

Clown Panchax

Aplocheilus panchax

fishfreshwater
3″·15+ gal·peaceful
fish
easy

Clown Pleco

Panaque maccus

fishfreshwater
3.5″·20+ gal·peaceful
fish
medium

Clown Rasbora

Rasbora kalochroma

fishfreshwater
4″·30+ gal·group 6+·peaceful
fish
medium

Clown Triggerfish

Balistoides conspicillum

fishsaltwater
20″·180+ gal·aggressive
fish
medium

Cobalt Blue Zebra Cichlid

Maylandia callainos

fishfreshwater
5.5″·40+ gal·aggressive
fish
easy

Cobra Guppy

Poecilia reticulata

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

Cochu's Blue Tetra

Boehlkea fredcochui

fishfreshwater
2″·20+ gal·group 8+·semi-aggr.
fish
medium

Cockatoo Dwarf Cichlid

Apistogramma cacatuoides

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

Codium (Sea Sponge Weed)

Codium sp.

algaesaltwater

Spongy, dark green dichotomously branched macroalgae with a velvety, foam-like texture. Attaches to rock and can grow quite large. In temperate reef tanks it is a natural part of the fauna; in tropical tanks it can become invasive. Slugs (nudibranchs) and sea hares may graze it.

fish
easy

Colombian Tetra

Hyphessobrycon columbianus

fishfreshwater
2.5″·20+ gal·group 6+·semi-aggr.
coral
easy

Colt Coral

Cladiella sp.

coralsaltwater
2″·30+ gal·peaceful
fish
easy

Comet Goldfish

Carassius auratus

fishfreshwater
12″·40+ gal·peaceful
fish
easy

Common Goldfish

Carassius auratus

fishfreshwater
12″·50+ gal·group 2+·peaceful
fish
easy

Common Pleco

Hypostomus plecostomus

fishfreshwater
18″·100+ gal·peaceful
fish
medium

Compressiceps Cichlid

Altolamprologus compressiceps

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

Concolor Corydoras

Corydoras concolor

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

Congo Puffer

Tetraodon miurus

fishfreshwater
6″·30+ gal·aggressive
fish
easy

Congo Tetra

Phenacogrammus interruptus

fishfreshwater
3.5″·30+ gal·group 6+·peaceful
fish
easy

Convict Cichlid

Amatitlania nigrofasciata

fishfreshwater
6″·30+ gal·aggressive
fish
easy

Convict Julie

Julidochromis regani

fishfreshwater
3.5″·20+ gal·peaceful
amphibian
medium

Copper Axolotl

Ambystoma mexicanum

amphibianfreshwater
10″·20+ gal·peaceful