Species
Browsing 1,299 species. Use the filters below to narrow down.
Grooved-blade Sea Whip
CoralPterogorgia guadalupensis
A graceful, branching sea whip from subtropical Atlantic reefs, manageable even for newer reefers.
Gunther's Cichlid
FishChromidotilapia guntheri
A mouthbrooding West African cichlid with fascinating shared parental care.
Guppy
FishPoecilia reticulata
The world's most recognizable livebearer, and probably the easiest fish to breed.
Guppy
FishTomeurus gracilis
A tiny Venezuelan oddity that lays eggs despite fertilizing them internally.
Haddon's Carpet Anemone
InvertStichodactyla haddoni
A vast, velvety carpet anemone that hosts clownfish and dominates any reef bed.
Hairy Mushroom Anemone
CoralRhodactis indosinensis
A fuzzy, forgiving mushroom coral that thrives where other corals struggle.
Halfbarred Goby
FishAmblygobius semicinctus
A peaceful, burrowing goby that tidies sandbed detritus in calm reef systems.
Half-striped Penguin Tetra
FishThayeria ifati
The rarest penguin tetra, with a boldly defined tail stripe and colorful fin tips.
Hampala Barb
FishHampala macrolepidota
A two-foot predatory barb that's more river monster than aquarium fish.
Hannelore's Killi
FishAphyosemion hanneloreae
A tiny Gabonese killifish that's surprisingly forgiving for beginners.
Haplochromis polli
FishCtenochromis polli
A compact Congo cichlid with fiery courtship colors and fascinating mouthbrooding behavior.
Haplochromis yellow black line
FishMylochromis melanonotus
A sand-dwelling Lake Malawi predator with a jaw that caused decades of taxonomic confusion.
Harlequin Shrimp
InvertHymenocera picta
A boldly patterned reef shrimp with a surprisingly specialized appetite.
Harlequin Sulawesi Shrimp
InvertCaridina woltereckae
A boldly patterned Sulawesi shrimp that brings serious color to a nano tank.
Hatchetfish
FishCarnegiella strigata strigata
A tiny, peaceful surface-dweller with a deep-keeled body unlike any other tetra.
Hawaiian Hermit
InvertCalcinus laevimanus
A tiny reef cleaner with bold zebra-striped legs and a peaceful attitude.
Hawaiian Plate Coral
CoralLeptoseris hawaiiensis
A low-light reef wall dweller that thrives where most corals won't venture.
Headstander
FishLeporinus brunneus
A sleek South American characin from blackwater rivers, suited to spacious tanks.
Headstander
FishSynaptolaemus latofasciatus
A boldly banded Orinoco headstander with a fascinating taxonomic backstory.
Hedge Carnation Coral
CoralGersemia fruticosa
A cold-water soft coral that brings polar ocean character to the specialty tank.
Herzog's Killi
FishAphyosemion bochtleri
A dainty rainforest killifish with a surprisingly forgiving temperament for beginners.
Herzog's Killi
FishAphyosemion herzogi
A cool-water forest killi that stays small and rewards patient spawners.
Homaloptera Hoffmani
FishLiniparhomaloptera disparis
A tiny mountain stream hillstream loach with surprisingly bold territorial behavior.
Honeycomb Coral
CoralGardineroseris planulata
A shade-loving encrusting coral that thrives where others struggle.
Honeycomb Loach
FishLeptobotia taeniops
A sociable Chinese loach with a bold personality and a taste for company.
Honey Gourami
FishColisa lalia
A peaceful little labyrinth fish that puts on a show when romance is in the air.
Honey Gourami
FishTrichogaster chuna
A spitting, bubble-building gourami that rewards keepers who give it company.
Hong Kong Labyrinthfish
FishMacropodus hongkongensis
A rare Hong Kong labyrinthfish with fierce personality packed into a small frame.
Horned Armour Snail
InvertBrotia pagodula
A spiny, armored snail that rewards patience with fascinating behavior.
Horned Nerite Snail
InvertClithon corona
A tiny freshwater snail wearing a crown of unpredictable horns.
Hornwort
PlantCeratophyllum demersum
A fast-growing, nearly indestructible plant that thrives on neglect.
Horny Coral
CoralParagorgia arborea
A deep-sea giant with bubblegum-pink branches found across the world's cold oceans.
Horseshoe-tailed Dottyback
FishPseudochromis tapeinosoma
A compact, crevice-loving dottyback with a wide Indo-Pacific range.
Hovering Zebra Loach
FishMicronemacheilus cruciatus
A tiny Vietnamese loach that hovers in midwater and thrives in groups
Humble Club Coral
CoralClavularia modesta
A low-maintenance soft coral that thrives where others struggle.
Indian Hatchet Fish
FishLaubuka laubuca
A schooling surface-dweller with a genuinely tangled identity across Asia.