At present, there are about 26 known species of sea wolves in the world, which are long and narrow, and can be as long as 1.8 meters. Because of its wide mouth and chin, it has fangs as prominent as wolf teeth, and the locals also call it sea wolf fish. At present, there are about 25 species of pike known in the world, which are mainly distributed in tropical and subtropical waters and often appear near coral reefs and reefs.
Sea wolf fish is covered with round scales. Dorsal bluish gray, ventral light gray, scales on both sides with black vertical stripes. As an offshore fish, it likes to inhabit rivers and bays and also enter fresh water. Lively, good at jumping, they often swim in groups in the countercurrent and eat organic matter in the underwater soil. Larger in size, I am made in South China Sea, East China Sea, Yellow Sea and Bohai Sea. Barracuda has a slender body, and the largest barracuda can grow to 1.8 meters long. Barracuda's head is short and wide with large scales. Barracuda has a bluish gray dorsal surface and a light gray ventral surface, and scales on both sides have black vertical stripes. Barracuda lives in coastal areas, estuaries of rivers or salt water. Barracuda likes to live in groups and feeds on organic matter in underwater soil.