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Squilla
mantis shrimp, spearer mantis shrimp
Squilla is a genus of stomatopod crustaceans commonly known as mantis shrimp or spearer mantis shrimp. Members of this genus are small marine predators, typically 40–70 mm in length, characterized by raptorial appendages adapted for spearing soft-bodied prey rather than smashing hard shells. The genus has a fossil record dating to 145 million years ago and has diversified into over a dozen extant species. Squilla species are distributed in tropical and subtropical marine waters worldwide, including the Indian Ocean and Mediterranean Sea.