What does squaliformes mean?
Definitions for squaliformes
squal·i·formes
This dictionary definitions page includes all the possible meanings, example usage and translations of the word squaliformes.
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Wikipedia
Squaliformes
The Squaliformes are an order of sharks that includes about 126 species in seven families. Members of the order have two dorsal fins, which usually possess spines, they usually have a sharp head, no anal fin or nictitating membrane, and five to seven gill slits. In most other respects, however, they are quite variable in form and size. Most species of the squaliform order live in a saltwater or brackish waters. They are found worldwide, from northern to tropical waters, and from shallow coastal seas to the open ocean.All members of the family Eptomeridae and Dalatiidae and Zameus squamulosus possess photophores, luminous organs, and exhibit intrinsic bioluminescence . Bioluminescence evolved once in Squaliformes, approximately 111-153 million years ago, and helped the Squaliformes radiate and adapt to the deep sea. The common ancestor of Dalatiidae, Etmopteridae, Somniosidae, and Oxynotidae possessed a luminous organ and used bioluminescence for camouflage by counterillumination . Counterillumination is an active form of camouflage in which an organism emits light to match the intensity of downwelling light to hide from predators below. Currently, bioluminescence provides different functions for Squaliformes based on the family. Dalatiidae and Zameus squamulosus possess simple photophores and use bioluminescence for ventral counter-illumination. Etmopteridae possess more complex photophores and utilize bioluminescence for ventral counter illumination as well as species recognition .
Numerology
Chaldean Numerology
The numerical value of squaliformes in Chaldean Numerology is: 8
Pythagorean Numerology
The numerical value of squaliformes in Pythagorean Numerology is: 2
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"squaliformes." Definitions.net. STANDS4 LLC, 2024. Web. 23 Apr. 2024. <https://www.definitions.net/definition/squaliformes>.
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