Species
Browsing 698 species. Use the filters below to narrow down.
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.
Herotilapia multispinosa
FishArchocentrus multispinosus
A tough Central American cichlid with serious parenting instincts and surprising heat tolerance.
Highfin Apisto
FishApistogramma hoignei
A dwarf cichlid from the Orinoco with cave-breeding instincts and complex taxonomic intrigue.
Hispaniolan Gambusia
FishGambusia hispaniolae
A tough livebearing minnow from Hispaniola's brackish spring habitats.
Honeycomb Loach
FishLeptobotia taeniops
A sociable Chinese loach with a bold personality and a taste for company.
Honey Gourami
FishTrichogaster chuna
A spitting, bubble-building gourami that rewards keepers who give it company.
Horseshoe-tailed Dottyback
FishPseudochromis tapeinosoma
A compact, crevice-loving dottyback with a wide Indo-Pacific range.
Huanta Cory
FishCorydoras fowleri
A long-snouted cory with a feisty streak and surprisingly long lifespan.
Humbug Dascyllus
FishDascyllus aruanus
Bold black-and-white stripes with a personality to match. Reef tough.
Hump-head
FishCyrtocara moorii
A big, blue, nuchal-humped cichlid that shadows bottom-sifters to steal their leftovers.
Imperial White Collared Yellow Catfish
FishHorabagrus nigricollaris
A peaceful yellow catfish with a bold dark collar and a mouth to respect.
Inca
FishApistogramma baenschi
A beginner-friendly dwarf cichlid with big personality and bold crescent markings.
Indian Hill Trout
FishBarilius bendelisis
A fast-moving hill stream fish that needs bold tankmates and plenty of room.
Indigo Hamlet
FishHypoplectrus indigo
A reef-dwelling hamlet with bold indigo patterning and a surprisingly easygoing nature.
Indochinese Needlefish
FishXenentodon canciloides
A freshwater needlefish that's calmer than its needle-filled grin suggests.
Isabelita Pleco
FishHypancistrus debilittera
A compact, cave-dwelling pleco with a big attitude toward its own kind.
Jack Dempsey
FishRocio octofasciata
A bold, brawling cichlid named after a boxing legend for good reason.
Jaguar Loach
FishYasuhikotakia splendida
A rare Mekong loach with bold spots, yellow fins, and fascinating social rituals.
Japanese Angelfish
FishCentropyge interruptus
A rare Japanese deepwater dwarf angel that pairs for life on rocky reefs.
Java Barb
FishBarbonymus gonionotus
A large, active schooling barb that needs space and robust tank companions.
Javaen Barb
FishSystomus orphoides
A boisterous, patterned barb that needs bold tankmates and room to roam.
Javan Ricefish
FishOryzias javanicus
A surface-dwelling ricefish with surprisingly complex spawning behavior, rarely seen for sale.
Jerdon's Baril
FishBarilius canarensis
A bold, fast-moving schooler from Indian hill streams that needs equally spirited tankmates.
Jutai
FishApistogramma sp. "Kelleri"
A mouthbrooding dwarf cichlid with a remarkably flexible approach to raising its young.
Kapuas Betta
FishBetta krataios
A tiny mouthbrooding betta from Borneo's blackwater streams, best kept in quiet company.
Katvis
FishPimelodus ornatus
A bold, predatory catfish with toxic spines and serious schooling instincts.
Keyhole angelfish
FishCentropyge tibicen
The biggest dwarf angel, dressed in bold black with a single white patch.
Killifish
FishAustrolebias adloffi
A tiny annual killifish that races through its entire life cycle in months.
King Angelfish
FishHolacanthus passer
A bold Eastern Pacific angel with a single dramatic white stripe across its flank.
Knife Livebearer
FishAlfaro cultratus
A tough little livebearer with a blade-like keel and a feisty personality.
Koran Angelfish
FishPomacanthus semicirculatus
A bold reef showpiece whose juvenile and adult forms look like completely different fish.
Krabi Mouth Brooding Betta
FishBetta simplex
A rare mouth-brooding betta from Thailand's limestone streams, peaceful by betta standards.
Kribensis
FishPelvicachromis pulcher
A beginner-friendly cichlid that breeds willingly and parents like a pro.
Kribensis
FishPelvicachromis subocellatus
A cave-spawning dwarf cichlid whose females put on a dazzling courtship display.
Lancer Catfish
FishBagrichthys macracanthus
A nocturnal lancer catfish with territorial attitude and a dramatic dorsal spine.