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monkey goby
The monkey goby (''Neogobius fluviatilis'') is a species of goby native to the basins of the Black Sea and the Sea of Azov.
==Characteristics==
The monkey goby is covered with cycloid scales on the head crown, nape, back, one third of the gill covers, bases of the pectoral fins, and the posterior half of the throat and belly. Its second dorsal fin is small in size compared to the posterior end of the body. The width of its head is equal to or a bit greater than the height of the head, and terminates in an acuminated, or leaf-shaped, snout. The jaws of ''Neogobius fluviatilis'' contain small, conical teeth and the mandibles are set forward in the skull. The abdomen of the monkey goby is lined with suckers that stretch from the collar to the anus. Its coloration is a brownish gray or a yellowish gray, usually with a very pale brown pattern of dark merged spots. Rows of dark spots are also found on the dorsal and caudal fins. The average adult monkey goby measures 7–10 centimeters, but has been known to grow to lengths of 18–20 centimeters. This species weighs around 50 grams.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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