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The center is formed with very fine sand particles with respect to the outer portion. It is now thought that they are the most ordered structures created by any fish. [4] [5] Movements of the white-spotted pufferfish for nest construction. The fish begins making the structure by forming a simple circle shape in the sand using its belly. [5]
The poison is produced by several types of bacteria obtained from the fish's diet. [10] As a result of these three defenses, porcupinefish have few predators, though adults are sometimes preyed upon by sharks and orcas. Juveniles are also preyed on by Lysiosquillina maculata, tuna, and dolphins. [5]
The only other fish with which it might be confused is the long-spine porcupinefish, (Diodon holocanthus) but it has much shorter spines and it lacks a dark streak running between the eyes. [ 2 ] In case of danger, the porcupinefish can inflate itself by swallowing water to deter the potential predator with its larger volume and it can raise ...
The long-spine porcupine fish is an omnivore that feeds on mollusks, sea urchins, hermit crabs, snails, and crabs during its active phase at night. [5] They use their beak combined with plates on the roof of their mouths to crush their prey such as mollusks and sea urchins that would otherwise be indigestible.
The northern puffer, Sphoeroides maculatus, is a species in the family Tetraodontidae, or pufferfishes, found along the Atlantic coast of North America. [2] Unlike many other pufferfish species, the flesh of the northern puffer is not poisonous, although its viscera can contain poison, [1] [2] and high concentrations of toxins have been observed in the skin of Floridian populations.
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.
Torquigener albomaculosus, or the white-spotted pufferfish, is the 20th discovered [1] species of the genus Torquigener. The species was discovered in the ocean waters around the Ryukyu Islands in Japan off the south coast of Amami Ōshima Island. [1] Observed depths of the species range between 10 and 27 m (33 and 89 ft). [1]
For a single species aquarium this fish would make a great pet, and they have been known to live up to 10 years in a well-maintained aquarium - which, as with all puffers, means water changes of 50% each week, with good water movement and absolutely no ammonia or nitrites, and minimal nitrates. this puffer species can also be aggressive towards ...