Species
Browsing 1,903 species. Use the filters below to narrow down.
Weakfish
FishPetrocephalus bovei bovei
A nocturnal African weakfish that retreats into caves by day and hunts by night.
Weather Loach
FishParamisgurnus dabryanus
The tough, peaceful bottom-dweller hiding in plain sight as a different species.
Weitzmani Cory
FishCorydoras weitzmani
A long-lived little catfish that blinks at you from the bottom of the tank.
Wendt's Cryptocoryne
PlantCryptocoryne wendtii 'Green'
A tough, low-light crypt that thrives even in the shadiest corners of your tank.
Wendt's water trumpet
PlantCryptocoryne wendtii
A tough, slow-growing rosette plant that thrives even when neglected.
Werner's Killifish
FishAplocheilus werneri
A sleek Sri Lankan surface hunter rarely seen outside specialist collections.
Wessel's Cichlid
FishTheraps wesseli
A little-known Honduran cichlid with big personality and bold Central American roots.
West African Bichir
FishPolypterus retropinnis
A living fossil with lungs, armor, and a prehistoric attitude.
West African Lungfish
FishProtopterus annectens annectens
An ancient, air-breathing fish that can survive years without water
Western Ghat Leach
FishBhavania australis
A wild-stream crawler from endangered Indian rivers, rarely seen outside its homeland.
Western Rainbowfish
FishMelanotaenia australis
Australia's most widespread rainbowfish, and well worth the wait to color up.
Whiptail Catfish
FishRineloricaria lanceolata
A gentle whiptail catfish that breeds willingly and guards its eggs with dedication.
Whiptailed Loricaria
FishRineloricaria fallax
A devoted catfish father that breeds readily and tolerates a wide range of tankmates.
Whiptail Loricaria
FishRineloricaria parva
A slender, whip-tailed catfish that breeds readily and suits most peaceful communities.
White Cichlid
FishVieja argentea
A boldly colored Central American bruiser that rewards patient, experienced keepers.
White Cloud Mountain Minnow
FishTanichthys albonubes
A cold-tolerant schooling fish that practically takes care of itself.
White-edged Betta
FishBetta albimarginata
A tiny, peaceful mouthbrooding betta from Borneo's blackwater forest streams.
White Line Pim
FishPimelodus albofasciatus
A sleek, fast-moving pimelodid catfish built for big river life.
Whitepatch Splitfin
FishAllodontichthys hubbsi
A rare Mexican livebearer from a single river system, seldom seen in the hobby.
White-spotted Cichlid
FishTropheus duboisi
Juvenile leopard pattern fades into something completely different as adults.
White Star Tetra
FishAxelrodia stigmatias
A tiny Amazonian shoaler that rewards patient keepers with lively social behavior.
White stripe cory
FishCorydoras albolineatus
A white-striped Bolivian cory that occasionally gulps air at the surface.
Wide halftooth characin
FishHemiodus atranalis
A lively, peaceful schooling fish built for spacious Amazon biotopes.
Wimple Piranha
FishCatoprion mento
A scale-eating specialist with a dramatic banner-like dorsal fin rarely seen in the hobby.
Winemiller's Eartheater
FishGeophagus winemilleri
A rare Venezuelan eartheater with vivid spotted fins and fascinating mouthbrooding parental care.
Wine Red Betta
FishBetta coccina
A blood-red peat swamp betta that demands soft, acidic water and its own space.
Wolf Cichlid
FishParachromis dovii
A barrel-chested Central American predator that will eat almost anything it can fit in its mouth.
Wood-cat Catfish
FishAuchenipterichthys thoracatus
A secretive Amazonian catfish that wedges itself into hiding spots with specialized fins.
Wood Catfish
FishCentromochlus schultzi
A shy but charming Brazilian wood catfish that rewards patient, attentive keepers.
Wood Catfish
FishGlanidium leopardum
A leopard-spotted catfish from Guiana's leaf-littered creek systems.
Wormjawed Mormyrid
FishCampylomormyrus tamandua
A rare African electric fish with a bizarre beak-like snout and a brain to match.
Xingu Freshwater Stingray
FishPotamotrygon leopoldi
A bold black disc covered in white spots. And a venomous spine to match.
X-Ray Tetra
FishPristella maxillaris
The see-through tetra whose bold dorsal fin pattern makes a school unforgettable.
Yabby
InvertCherax destructor
Australia's tough backyard crayfish, endlessly adaptable and full of personality.
Yellow Acara
FishAequidens metae
A compact Colombian cichlid from blackwater streams, rarely seen but worth seeking out.
Yellow-banded Moenkhausia
FishMoenkhausia sanctaefilomenae
A lively, adaptable tetra that rewards you for keeping it in a proper group.