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The porcupine fish (as Diodon antennatus) is mentioned in Charles Darwin's famous account of his trip around the world, The Voyage of the Beagle. He noted how the fish can swim quite well when inflated, though the altered buoyancy requires them to do so upside down.
The long-spine porcupinefish is pale in color with large black blotches and smaller black spots; these spots becoming fewer in number with age. It has many long, two-rooted depressible spines particularly on its head. The teeth of the two jaws are fused into a parrot-like "beak". Adults may reach 50 cm (20 in) in length. [3]
Spot-fin porcupinefish: tropical and subtropical waters of the world, including the Mediterranean Sea Diodon liturosus G. Shaw, 1804: Black-blotched porcupinefish: tropical and subtropical waters of the Indo-Pacific area from eastern coasts of Africa to Japan Diodon nicthemerus G. Cuvier, 1818: Slender-spined porcupinefish
The Old World porcupines (Hystricidae) live in Italy, Asia (western [3] and southern), and most of Africa. They are large, terrestrial, and strictly nocturnal. The New World porcupines (Erethizontidae) are indigenous to North America and northern South America. They live in wooded areas and can climb trees, where some species spend their entire ...
The black-blotched porcupinefish (Diodon liturosus), also known as shortspine porcupinefish, is a member of the family Diodontidae. It is found in the tropical and subtropical waters of the Indo-Pacific on coral and rocky reefs and in inshore waters. Other names are the blotched porcupinefish and the brown-backed porcupinefish.
The spot-fin porcupinefish is a medium-sized fish which grows up to 91 cm, but the average size mostly observed is 40 cm. [2] Its body is elongated with a spherical head with big round protruding eyes, and a large mouth which is rarely closed.
Lophodiodon calori, also known as the four-bar porcupinefish, [1] is a species of porcupinefish native to the Indo-Pacific where it is found in environments with a substrate composed of rubble and sand at depths of at most 100 metres (330 ft), often above the continental shelf.
Dicotylichthys punctulatus, also known as the three-bar porcupinefish, is a species of porcupinefish endemic to the east coast of Australia, where it is found in coastal and offshore reef environments down to 50 m (160 ft) deep. [1] This species grows to 40 cm (16 in) in standard length, although most only reach 18 cm (7.1 in).