Closer look at ancient giant sea scorpion suggests poor vision limited its hunting abilities

(Phys.org) —A team of researchers from Yale University and University College Cork in Ireland has concluded that the ancient giant sea scorpion (Acutiramus cummingsi) wasn't quite as terrifying as initial reports had suggested. In their paper published in the journal Biology Letters, the team describes how they conducted an analysis of the ancient sea creature's vision abilities and found them to be lacking—they suggest A. cummingsi's eyesight was so poor that the arthropod most likely survived by eating plants or slow moving soft-shelled prey.

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