Schlingerhaie

Body slender; snout extremely long, broad, flat, like a spatula, length before mouth >1/2 head length; no nictitating eyelids; eyes huge, green to yellow; spiracles present, large, just behind eye; lip furrows long; upper & teeth blade-like, without secondary cusplets; upper teeth with erect, triangular cusps, narrower bases; lower teeth much larger than upper teeth, overlapping, broad bases.. Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people.

The birdbeak dogfish (Deania calcea) is a dogfish shark of the family Centrophoridae found in the Pacific Ocean around Honshū, Japan, southern Australia, New Zealand, and Chile, and in the Atlantic Ocean from Iceland south to the Cape of Good Hope.. Body slender; snout extremely long, broad, flat, like a spatula, length before mouth >1/2 head length; no nictitating eyelids; eyes huge, green to yellow; spiracles present, large, just behind eye; lip furrows long; upper & teeth blade-like, without secondary cusplets; upper teeth with erect, triangular cusps, narrower bases; lower teeth much larger than upper teeth, overlapping, broad bases.