Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Etmopterus, commonly known as lantern sharks, is a genus of dogfish sharks in the family Etmopteridae. Etmopteridae is a family of sharks in the order Squaliformes, commonly known as lantern sharks. Their name comes from the presence of light-producing photophores on their bodies. The members of this family are small, under 90 cm (35 in) long, and are found in deep waters worldwide.

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