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Scaly sand darter
The scaly sand darter (''Ammocrypta vivax'') is a species of freshwater perch endemic to the southeastern United States.
==Description==
The scaly sand darter is an elongated, subcylindrical darter. It has a horizontal mouth with a broad, flat head. Compared to other ''Ammocrypta'' species, the body is not as translucent as its relatives and appears to have a yellow tent to the body. Nine to 16 vertically oriented, dusky bars occur along the side of the body and irregular dark, dusky spots are found on the back. The lateral scales seemed to be faintly outlined in black. It has numerous dark spots in front of the eyes that extend to the snout. The cheeks and opercles have an iridescent shade of silver to blue. The scaly sand darter typically has a yellow color under the body and head. The spines of the anal and paired fins have scattered black/dark spots near the base. The membranes of the pectoral and pelvic fins are cream to yellow. The base of the caudal fin is usually white to yellow in color. The males can have submarginal bands in the spinous (harder or tougher fins near the base) and soft dorsal fins and also on the caudal fin. Black marginal bands may occur on the soft dorsal and caudal fins (the end of the fin).
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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