Morphological characteristics of green occupying fish

2022-07-15

It is thick and slightly flat, spindle shaped, generally 20-40 cm long and 150-400 g in weight. The head is large, the front end is thin and pointed like a cone, the eyes are large and high, the mouth is large, the upper and lower jaw are the same length, each has a row of fine teeth, and the plough bone and crotch bone have teeth.

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The body is covered with small round scales, the back of the body is cyan black or dark blue, and there are irregular dark blue insect etchings above the horizontal line of the pectoral fins on both sides of the body. The abdomen is white and slightly yellow.

There are 2 dorsal fins, which are far away from each other. The first dorsal fin has 9 ~ 10 fin spines, the second dorsal fin is opposite to the anal fin, and there are 5 small fins on the upper and lower sides of the back; The caudal fin is deeply forked, with two ridges on both sides of the base; The pectoral fin is light black, the hip fin is light pink, and the other fins are light yellow.

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