Species
Browsing 459 species. Use the filters below to narrow down.
Bariene Surgeonfish
FishAcanthurus bariene
A deep-reef surgeonfish that needs serious space and earns its keep over decades.
Barred Bichir
FishPolypterus delhezi
A living fossil from the Congo that breathes air and hunts by smell.
Barred Loach
FishSyncrossus beauforti
A boldly patterned, boisterous loach that demands space and respectful tankmates.
Batasio
FishBatasio tigrinus
A compact Thai catfish with bold tiger patterning and feisty personality.
Batik Loach
FishMesonoemacheilus triangularis
A boldly patterned Indian hillstream loach with a famously unpredictable temper.
Beaked coralfish
FishChelmon mulleri
A reef butterflyfish that prefers muddy estuaries over pristine coral gardens.
Bearded Soapfish
FishPogonoperca punctata
A secretive reef ambush predator with a toxic secret beneath its skin.
Bennett's Pufferfish
FishCanthigaster bennetti
A pint-sized puffer with big personality and a surprisingly calm disposition.
Bermuda Blue Angelfish
FishHolacanthus bermudensis
A bold Atlantic angel that grows into a true reef monarch with attitude to match.
Bichir
FishPolypterus bichir bichir
A living fossil that breathes air and hunts by smell alone.
Bicolor Blenny
FishEcsenius bicolor
A boldly two-toned reef blenny that claims every hole as its own.
Bicolored Foxface
FishSiganus uspi
A bold Fijian reef fish with a dramatic two-tone pattern and venomous spines.
Bigeye Cichlid
FishAcaronia nassa
A wide-eyed Amazonian ambush predator that makes the most of its stillness.
Bigmouth
FishApistogramma norberti
A pocket-sized Peruvian cichlid with a big personality and cave-spawning habits.
Black Angel
FishPomacanthus arcuatus
A large, sociable Atlantic angel that juveniles moonlight as reef cleaning stations.
Black-belt hogfish
FishBodianus mesothorax
A boldly two-toned wrasse with a sharp contrast that practically splits it in half.
Black-blotch Triggerfish
FishRhinecanthus verrucosus
A Picasso-patterned triggerfish that prefers retreat over confrontation.
Blackcap Basslet
FishGramma melacara
A deep-reef beauty that swims upside-down along underwater cliff faces.
Black Combtooth Blenny
FishEcsenius namiyei
A sleek, dark blenny that grazes algae from reef rockwork with quiet confidence.
Black Darter Tetra
FishPoecilocharax weitzmani
A cave-guarding micro-predator from blackwater South America with serious attitude.
Blackear Wrasse
FishHalichoeres poeyi
A bold Atlantic wrasse with a sharp temper for its own kind.
Blackedged Blaasop
FishArothron immaculatus
A wide-ranging Indo-Pacific puffer with estuarine roots and a no-nonsense attitude.
Blackgullet Cichlid
FishThorichthys pasionis
A lesser-known Central American cichlid with bold personality and a distinctive dark throat.
Blackline Apisto
FishApistogramma gibbiceps
A cave-spawning dwarf cichlid from the blackwater rivers of the Amazon basin.
Blacknose Butterfly Barb
FishBarbus candens
A tiny Congo rarity that rewards patient keepers with delicate charm.
Blackseam Cichlid
FishApistogramma hongsloi
A compact Colombian dwarf cichlid that pairs up and parents together.
Blackspot Surgeonfish
FishAcanthurus nigrofuscus
A schooling grazer that overwhelms rivals through sheer numbers.
Blacktail Damselfish
FishDascyllus melanurus
Bold black-and-white reef damsels that punch well above their weight class.
Black Tetra
FishGymnocorymbus ternetzi
A classic community tetra whose dark skirt stands out against brighter tankmates.
Black Triggerfish
FishSufflamen chrysopterum
A hardy, boldly patterned triggerfish with a surprisingly calm disposition for the group.
Bleeding-heart Tetra
FishHyphessobrycon erythrostigma
A deep-bodied Amazonian tetra with a vivid red heart marking and feisty male rivalries.
Blind Swamp Eel
FishOphisternon infernale
A cave-dwelling, eyeless eel from the underground rivers of the Yucatan.
Bloch's Catfish
FishPimelodus blochii
A boldly striped rivercat that doubles as an accidental seed disperser in the wild.
Blue-banded Pualu
FishAcanthurus blochii
A long-lived, schooling surgeon with a mood-shifting palette and a blade to match.
Blue Cheek Dwarf Cichlid
FishApistogramma eunotus
A compact Peruvian dwarf cichlid with serious parenting instincts and big personality.
Blue-eye Cichlid
FishCryptoheros spilurus
A compact Central American cichlid with fierce pair bonds and big personality.