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Introduction of Bombfish

Bombfish, scientific name skipjack tuna (Bullet mackerel), also known as small tuna, watermelon skin, ocean packer fish, belongs to the general order Perciformes, tuna suborder, tuna family, rudder skipjack subfamily, skipjack genus. The skipjack tuna is 1 meter in total length, with a fusiform, stout, scaleless body, smooth body surface, and a very well-developed caudal fin.

The main feature is the several longitudinal dark stripes on the belly on the side of the body. The skipjack tuna has 8 to 9 finlets in the dorsal fin; 14 to 15 anal fin bars and 8 to 9 finlets. The caudal fin is crescent-shaped, with four to seven longitudinal stripes on the side of the body, the dorsum is blue-brown, the abdomen is silver-white, and the fins are light gray, with the larger ones more than 1 meter long, and the average length of the body is 400 to 500 millimeters.

It is a dawn, diurnal fish that frequents the surface to 260 meters deep during the day and floats at night, often eating fish such as sardines and bamboo basket corners and crustaceans.

Bonito like to follow the whales, sharks and do collective swimming, the water first larger food to eat, the rest of the whale sharks easy to swallow. Whale sharks also protect bonito, they are a **** biological relationship. Sea areas where bonito are found are often accompanied by flocks of seabirds, which hunt for food above the fish.

Bonobos prey on sardines and other fish larvae, squid, mollusks and small crustaceans. Hundreds of thousands of bonito usually swim back to the ocean together, feeding on small fish, shrimp and squid, and jacks are their favorite food. If they find them, they will attack them from above and below, leaving the jacks with no place to run but to jump out of the water.

Bonito is distributed in the temperate to tropical areas, mainly in the Indian Ocean, the Pacific Ocean and the Atlantic Ocean water temperature is higher than 15 degrees Celsius above the waters, there are traces of bonito. China's East China Sea, South China Sea have distribution and production.

The cannonball fish can freely ambulate, and when in danger, it will quickly burrow into the Shanwu Reef holes, erecting its dorsal fins to fix itself tightly in the hole. The fish is carnivorous and very voracious, and its teeth are so sharp that it can crush stony coral. Its suitable water temperature is 26 - 28 ℃. It can be fed fish, shrimp, pellets and small fish and shrimp. It likes to live alone, often hiding in the rocks. Can not be mixed with small fish or coral polyps, anemones and so on.

Characteristics:

The Cannonball Fish has a diamond-shaped body, varied colors and a characteristic swimming style (swimming with swinging dorsal and pectoral fins), a small but powerful mouth, and a large head, which makes it easy to be recognized.

Body Characteristics:

The bonito is 1 meter in length, with a fusiform, stout, scaleless body, smooth body surface, and a very well-developed caudal fin. The main feature is several longitudinal dark stripes on the belly on the side of the body. The dorsal fin of the skipjack tuna has 8 to 9 finlets; the anal fin has 14 to 15 strips and 8 to 9 finlets. The caudal fin is crescent-shaped with four to seven longitudinal stripes on the side of the body, the dorsum is blue-brown, the abdomen is silver-white, and the fins are light gray, with the larger ones more than 1 meter long, and the average length of the body is 400 to 500 millimeters.

Habitat:

The skipjack tuna is a warm-water epipelagic migratory fish (in the coastal waters of Japan, the skipjack tuna migrates northward from spring to summer, and southward from fall to winter, making seasonal migrations).