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Species

Browsing 2,303 species. Use the filters below to narrow down.

Hannelore's Killi

Hannelore's Killi

Fish

Aphyosemion hanneloreae

A tiny Gabonese killifish that's surprisingly forgiving for beginners.

Haplochromis nyererei

Haplochromis nyererei

Fish

Pundamilia nyererei

A fiery Lake Victoria cichlid where male rivalry demands careful planning.

Haplochromis polli

Haplochromis polli

Fish

Ctenochromis polli

A compact Congo cichlid with fiery courtship colors and fascinating mouthbrooding behavior.

Haplochromis yellow black line

Haplochromis yellow black line

Fish

Mylochromis melanonotus

A sand-dwelling Lake Malawi predator with a jaw that caused decades of taxonomic confusion.

Happy

Happy

Fish

Copadichromis azureus

A peaceable Malawi cichlid that builds sand nests and dazzles with intense color.

Hardback King Pleco

Hardback King Pleco

Fish

Glyptoperichthys joselimaianus

A hefty Amazonian pleco that breathes air and rules the tank bottom.

Harlequin Rasbora

Harlequin Rasbora

Fish

Trigonostigma heteromorpha

A timeless community fish with a bold black wedge marking that never goes out of style.

Harlequin Shark

Harlequin Shark

Fish

Labeo cyclorhynchus

A boldly patterned Congo shark that demands its own territory and respect.

Harrison's Pencilfish

Harrison's Pencilfish

Fish

Nannostomus harrisoni

A rare, gentle pencilfish that thrives in groups and rewards patient keepers.

Hatchetfish

Hatchetfish

Fish

Carnegiella strigata strigata

A tiny, peaceful surface-dweller with a deep-keeled body unlike any other tetra.

Hawaiian Kole

Hawaiian Kole

Fish

Ctenochaetus hawaiiensis

A rare Pacific bristletooth with juveniles that look like a completely different fish.

Hawaiian Whitespotted Toby

Hawaiian Whitespotted Toby

Fish

Canthigaster jactator

A bold little Hawaiian puffer with a voracious appetite and plenty of personality.

Head And Tail Light Rasbora

Head And Tail Light Rasbora

Fish

Kottelatia brittani

A rare, monotypic rasbora relative with vivid caudal markings and a gentle nature.

Head-and-tail Light Tetra

Head-and-tail Light Tetra

Fish

Hemigrammus ocellifer

Two glowing spots, nose to tail. A classic community tetra that delivers every time.

Headband Humbug

Headband Humbug

Fish

Dascyllus reticulatus

A bold little damselfish that claims coral heads as its personal territory.

Headstander

Headstander

Fish

Leporinus brunneus

A sleek South American characin from blackwater rivers, suited to spacious tanks.

Headstander

Headstander

Fish

Synaptolaemus latofasciatus

A boldly banded Orinoco headstander with a fascinating taxonomic backstory.

Helfrich's Dartfish

Helfrich's Dartfish

Fish

Nemateleotris helfrichi

A deep-reef gem that hovers and flicks its tall dorsal fin like a flag.

Helmet Catfish

Helmet Catfish

Fish

Cranoglanis bouderius

A hefty Chinese river catfish that doubles as a prized food fish in its homeland.

Hemiodus immaculatus

Hemiodus immaculatus

Fish

Hemiodopsis immaculatus

A fast-moving, peaceful schooler from Amazonian blackwater river systems.

Henle's Freshwater Stingray

Henle's Freshwater Stingray

Fish

Potamotrygon henlei

A bold, boldly patterned river predator that demands respect and serious space.

Herotilapia multispinosa

Herotilapia multispinosa

Fish

Archocentrus multispinosus

A tough Central American cichlid with serious parenting instincts and surprising heat tolerance.

Herzog's Killi

Herzog's Killi

Fish

Aphyosemion bochtleri

A dainty rainforest killifish with a surprisingly forgiving temperament for beginners.

Herzog's Killi

Herzog's Killi

Fish

Aphyosemion herzogi

A cool-water forest killi that stays small and rewards patient spawners.

High-back Headstander

High-back Headstander

Fish

Abramites hypselonotus

A bottom-grazing oddball that swims nose-down and grows bolder with age.

Highfin Apisto

Highfin Apisto

Fish

Apistogramma hoignei

A dwarf cichlid from the Orinoco with cave-breeding instincts and complex taxonomic intrigue.

Hispaniolan Gambusia

Hispaniolan Gambusia

Fish

Gambusia hispaniolae

A tough livebearing minnow from Hispaniola's brackish spring habitats.

Hi-spot Rasbora

Hi-spot Rasbora

Fish

Rasbora dorsiocellata

A neat, small rasbora with a bold dorsal spot that catches the eye.

Homaloptera Hoffmani

Homaloptera Hoffmani

Fish

Liniparhomaloptera disparis

A tiny mountain stream hillstream loach with surprisingly bold territorial behavior.

Honey Blue-eye

Honey Blue-eye

Fish

Pseudomugil mellis

A tiny Australian rainbowfish from tannin-dark coastal wallum country.

Honeycomb Loach

Honeycomb Loach

Fish

Leptobotia taeniops

A sociable Chinese loach with a bold personality and a taste for company.

Honey Gourami

Honey Gourami

Fish

Colisa lalia

A peaceful little labyrinth fish that puts on a show when romance is in the air.

Honey Gourami

Honey Gourami

Fish

Trichogaster chuna

A spitting, bubble-building gourami that rewards keepers who give it company.

Hong Kong Labyrinthfish

Hong Kong Labyrinthfish

Fish

Macropodus hongkongensis

A rare Hong Kong labyrinthfish with fierce personality packed into a small frame.

Hoplo catfish

Hoplo catfish

Fish

Megalechis picta

A mud-burrowing South American catfish that breathes air and builds bubble nests.

Horadandia

Horadandia

Fish

Horadandia atukorali

A tiny Sri Lankan schooler best kept with equally small, gentle tankmates.