🐠

Fish

400 breeds & species ranked by popularity

Master 400+ freshwater and marine species with water parameter targets, nitrogen cycle guides, stocking compatibility charts, disease identification tools, and reef-safe coral pairing advice.

Betta Fish

Betta splendens

Tiny•Southeast Asia

🕐 3-5 years$5-$50

Neon Tetra

Paracheirodon innesi

Tiny•South America

🕐 5-10 years$2-$5

Guppy

Poecilia reticulata

Tiny•South America

🕐 2-3 years$3-$15

Goldfish

Carassius auratus

🕐 10-20+ years$5-$100

★ 92Intermediate

Angelfish

Pterophyllum scalare

Medium•South America

🕐 10-12 years$10-$50

Discus

Symphysodon spp.

Large•Amazon Basin

🕐 10-15 years$50-$300

Platy

Xiphophorus maculatus

Tiny•Central America

🕐 3-5 years$3-$10

Molly

Poecilia sphenops

Small•North/Central America

🕐 3-5 years$5-$15

Corydoras Catfish

Corydoras spp.

Tiny•South America

🕐 5-10 years$5-$20

★ 85Intermediate

Plecostomus

Hypostomus plecostomus

Large•South America

🕐 10-15 years$10-$50

★ 82Intermediate

Oscar

Astronotus ocellatus

Giant•South America

🕐 10-20 years$10-$50

★ 75Intermediate

Jack Dempsey

Rocio octofasciata

Large•Central America

🕐 8-10 years$8-$30

★ 88Intermediate

African Cichlid (Mbuna)

Various Mbuna species

Medium•Lake Malawi

🕐 8-10 years$5-$30

German Blue Ram

Mikrogeophagus ramirezi

Small•South America

🕐 2-4 years$10-$30

Kribensis

Pelvicachromis pulcher

Small•West Africa

🕐 5-8 years$5-$15

★ 80Intermediate

Rainbow Shark

Epalzeorhynchos frenatum

Medium•Southeast Asia

🕐 5-8 years$5-$10

Bala Shark

Balantiocheilus melanopterus

Giant•Southeast Asia

🕐 10 years$5-$15

★ 85Intermediate

Clown Loach

Chromobotia macracanthus

Large•Indonesia

🕐 15-25 years$10-$30

★ 82Intermediate

Kuhli Loach

Pangio kuhlii

Small•Southeast Asia

🕐 10 years$4-$8

Zebra Loach

Botia striata

🕐 10-15 years$8-$15

Dwarf Gourami

Trichogaster lalius

Small•India/Bangladesh

🕐 4-6 years$5-$15

Pearl Gourami

Trichopodus leerii

Medium•Southeast Asia

🕐 4-5 years$8-$15

Honey Gourami

Trichogaster chuna

Tiny•India/Bangladesh

🕐 4-8 years$5-$10

Giant Gourami

Osphronemus goramy

Giant•Southeast Asia

🕐 20+ years$20-$100

Cardinal Tetra

Paracheirodon axelrodi

Tiny•South America

🕐 4-5 years$3-$8

★ 85Intermediate

Rummy Nose Tetra

Hemigrammus rhodostomus

Tiny•South America

🕐 5-6 years$3-$6

Black Skirt Tetra

Gymnocorymbus ternetzi

Small•South America

🕐 5-7 years$3-$5

Ember Tetra

Hyphessobrycon amandae

🕐 2-4 years$3-$5

★ 75Intermediate

Congo Tetra

Phenacogrammus interruptus

Medium•Congo River

🕐 5-8 years$8-$15

Serpae Tetra

Hyphessobrycon eques

Small•South America

🕐 5-7 years$3-$5

Harlequin Rasbora

Trigonostigma heteromorpha

Tiny•Southeast Asia

🕐 5-8 years$3-$5

★ 78Intermediate

Chili Rasbora

Boraras brigittae

Tiny•Indonesia

🕐 4-8 years$4-$8

Scissortail Rasbora

Rasbora trilineata

Medium•Southeast Asia

🕐 5-7 years$3-$5

Tiger Barb

Puntigrus tetrazona

Small•Indonesia

🕐 6-7 years$3-$6

Cherry Barb

Puntius titteya

Tiny•Sri Lanka

🕐 5-7 years$3-$5

★ 75Intermediate

Denison Barb

Sahyadria denisonii

🕐 8-10 years$15-$30

Swordtail

Xiphophorus hellerii

Medium•Central America

🕐 3-5 years$4-$10

Endler's Livebearer

Poecilia wingei

Tiny•Venezuela

🕐 2-3 years$5-$15

Nothobranchius Killifish

Nothobranchius spp.

🕐 3-12 months$10-$50

★ 60Intermediate

Gardneri Killifish

Fundulopanchax gardneri

Small•West Africa

🕐 2-3 years$10-$20

Boesemani Rainbowfish

Melanotaenia boesemani

Medium•New Guinea

🕐 5-8 years$10-$25

Dwarf Neon Rainbowfish

Melanotaenia praecox

Small•New Guinea

🕐 3-4 years$6-$12

Common Clownfish

Amphiprion ocellaris

Small•Indo-Pacific

🕐 10-15 years$20-$50

★ 78Intermediate

Maroon Clownfish

Premnas biaculeatus

Medium•Indo-Pacific

🕐 20+ years$30-$80

Blue Tang

Paracanthurus hepatus

Large•Indo-Pacific

🕐 8-20 years$80-$200

★ 90Intermediate

Yellow Tang

Zebrasoma flavescens

Medium•Hawaii/Pacific

🕐 30+ years$200-$500

★ 88Intermediate

Flame Angelfish

Centropyge loricula

Small•Pacific Ocean

🕐 5-7 years$70-$150

Emperor Angelfish

Pomacanthus imperator

Giant•Indo-Pacific

🕐 15-20 years$150-$500

Six Line Wrasse

Pseudocheilinus hexataenia

Small•Indo-Pacific

🕐 5-10 years$30-$50

★ 78Intermediate

Fairy Wrasse

Cirrhilabrus spp.

Small•Indo-Pacific

🕐 5-8 years$50-$200

Siamese Algae Eater

Crossocheilus oblongus

Medium•Southeast Asia

🕐 10 years$5-$10

★ 90Intermediate

Otocinclus Catfish

Otocinclus spp.

Tiny•South America

🕐 3-5 years$3-$6

Bristlenose Pleco

Ancistrus spp.

Medium•South America

🕐 10-15 years$10-$30

★ 70Intermediate

Glass Catfish

Kryptopterus vitreolus

Small•Thailand

🕐 7-8 years$8-$15

★ 82Intermediate

Pictus Catfish

Pimelodus pictus

Medium•South America

🕐 8-10 years$12-$20

★ 80Intermediate

Apistogramma Cichlid

Apistogramma cacatuoides

Tiny•Amazon Basin

🕐 3-5 years$15-$40

★ 85Intermediate

Peacock Cichlid

Aulonocara stuartgranti

Medium•Lake Malawi

🕐 6-10 years$15-$40

Frontosa Cichlid

Cyphotilapia frontosa

Giant•Lake Tanganyika

🕐 15-25 years$30-$100

★ 82Intermediate

Celestial Pearl Danio

Danio margaritatus

🕐 3-5 years$4-$10

Sparkling Gourami

Trichopsis pumila

Tiny•Southeast Asia

🕐 4-5 years$5-$10

Electric Yellow Cichlid

Labidochromis caeruleus

Medium•Lake Malawi

🕐 8-10 years$5-$15

★ 72Intermediate

Peacock Gudgeon

Tateurndina ocellicauda

Small•Papua New Guinea

🕐 4-5 years$8-$20

Royal Gramma

Gramma loreto

Small•Caribbean

🕐 5-8 years$20-$40

Firefish Goby

Nemateleotris magnifica

Tiny•Indo-Pacific

🕐 3-5 years$20-$40

Mandarin Dragonet

Synchiropus splendidus

Small•Pacific Ocean

🕐 10-15 years$40-$80

★ 82Intermediate

Coral Beauty Angelfish

Centropyge bispinosa

Small•Indo-Pacific

🕐 8-12 years$40-$80

★ 75Intermediate

Hawkfish (Flame)

Neocirrhites armatus

Small•Pacific Ocean

🕐 5-8 years$50-$100

★ 78Intermediate

Purple Tang

Zebrasoma xanthurum

Large•Red Sea / Arabian Gulf

🕐 30+ years$150-$400