How are the eight eyes of the Lycosidae family characteristically arranged?
Answer
Four small eyes on the bottom row, two huge eyes facing forward, and two small eyes set further back.
The identification of the Lycosidae family relies heavily on a highly specialized and distinct arrangement of eight eyes organized into three rows. The bottom row features four smaller eyes spaced relatively evenly apart. Directly above these are the two largest and most prominent eyes, which face straight ahead, providing crucial binocular vision for tracking prey. Completing the set, two smaller eyes are positioned atop the cephalothorax, set further back. This specific configuration—four small, two huge, two small—is the classic physical identifier for the wolf spider.
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