इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Somniosidae (Sleeper sharks)
Etymology: Somniosus: Latin for sleepy, reflecting Lesueur’s surmise that these sharks are slow or sluggish because of their relatively small fins (hence the name sleeper sharks). (See ETYFish); rostratus: Latin for beaked, referring to its elongated rostrum. (See ETYFish).
More on author: Risso.
Environment: milieu / climate zone / depth range / distribution range
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