Definition of Term

accessory scales

(English) Small scales found between the larger scales of some fishes, such as certain flunders; axillary scale (a small triangular appendage or a modiefied scale at the upper or anterior base of a paired fin. Also called accessory scale or fleshy appendage. Functions apparently to streamline the fin when held against the body while swimming). (See also: secondary scales, paired fins, scale)

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