Japanese Spanish mackerel
Scomberomorus niphomius
Scomberomorus niphonius is a marine predatory fish from the family of mackerels and tunas. In Japan it is the economically most important fishing Scomberomorus species. In addition, it is also held in aquaculture. Even among sport fishermen this type is popular.
Description
Scomberomorus niphonius has a long, slender, laterally flattened, spindle-shaped body with a maximum length of one meter. The first dorsal fin consists of 19 to 21 hard jets, the second dorsal fin from 15 to 19 soft rays, it is followed by seven to nine Flössel. Behind the anal fin consists of 16 to 20 hard jets are six to nine Flössel. The caudal fin is notched typical of Scombriden, quite large and deep. The ventral fins are small. Behind the gill covers put the pointed pectoral fins on waist level. The lateral line runs first through the middle of the body, but then drops out of the second dorsal fin from. A swim bladder is absent.
Distribution, habitat and biology
Scomberomorus niphonius inhabited the waters around the Japanese main island, the Sea of Japan, Korea and the Yellow Sea. This species prefers coastal waters. As a predator it feeds on small fish. In the spring, take the populations of the Japan Sea spawning migrations in the autumn feed hikes. A female can lay eggs 550000-870000.