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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 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]
Kiwi, a seven-year-old saltwater fish, developed a cataract and was getting bullied by his tank mates.
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 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.
Arothron nigropunctatus is a small sized fish which grows up to 33 cm (1 ft) length. [2] Its body is oval shape, spherical and relatively elongated. The skin is not covered with scales. The fish has no pelvic fin and no lateral line. The dorsal fin and the anal fin are small, symmetric and located at the end of the body. Its snout is short with ...
Dichotomyctere nigroviridis (syn. Tetraodon nigroviridis) or the green spotted puffer is a species of pufferfish. It is found across South and Southeast Asia in coastal freshwater , but survives the longest in brackish to saltwater, and brackish water habitats. [ 2 ]