Silver Arowana

The Silver Arowana (Osteoglossum bicirrhosum), celebrated in Brazil as the arawana and known colloquially throughout the Amazon Basin as the ‘water monkey,’ is an ancient, surface-dwelling predatory osteoglossiform fish belonging to the bony-tongued fish...

Giant Gourami

The Giant Gourami (Osphronemus goramy), celebrated across Southeast Asia as the gurami or ikan gurame, is a massive, highly intelligent, herbivorous freshwater anabantiform fish belonging to the gourami family Osphronemidae within the suborder Anabantoidei. Indigenous...

Lumpfish

The Lumpfish (Cyclopterus lumpus), universally known across the British Isles and maritime Scandinavia as the lumpsucker, is an extraordinary, heavily built, globose marine teleost fish and the sole member of the genus Cyclopterus within the lumpsucker family...

Estuarine Stonefish

The Estuarine Stonefish (Synanceia horrida), also known across Australia and the Indo-Pacific as the common stonefish, is an infamous, heavily armored scorpaeniform fish belonging to the stonefish family Synanceiidae. Native to the warm, shallow coastal estuaries,...

Blind Cave Fish

The Blind Cave Fish (Astyanax mexicanus), famously known to evolutionary biologists as the Mexican cave tetra or blind tetra, is a celebrated freshwater characin fish belonging to the family Characidae within the order Characiformes. While surface-dwelling morphs of...

Clown Featherback

The Clown Featherback (Chitala ornata), universally famous in the international aquarium trade as the clown knifefish or spotted knifefish, is an archaic, predatory freshwater osteoglossiform fish belonging to the featherback family Notopteridae. Endemic to the...

Spotted Eagle Ray

The Spotted Eagle Ray (Aetobatus narinari) is a magnificent, highly active benthopelagic elasmobranch belonging to the eagle ray family Aetobatidae within the order Myliobatiformes. Native to the warm coastal waters of the Atlantic Ocean—including the Gulf of Mexico,...

Bowfin

The Bowfin (Amia calva), known across North American angling lore by regional names such as the dogfish, mudfish, grindle, or swamp bass, is an ancient, bimodal-breathing freshwater predatory fish and the sole surviving representative of the family Amiidae within the...

Senegal Bichir

The Senegal Bichir (Polypterus senegalus), colloquially celebrated in the aquarium trade as the ‘dinosaur eel’ or Cuvier’s bichir, is an archaic, air-breathing basal ray-finned fish belonging to the family Polypteridae within the ancient order...

Long-spine Porcupinefish

The Long-spine Porcupinefish (Diodon holocanthus), widely recognized across maritime traditions as the balloonfish or spiny puffer, is a globally distributed marine teleost fish belonging to the porcupinefish family Diodontidae within the order Tetraodontiformes....