Pristiophoridae


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Pristiophoridae

[‚pris·tē·ə′fȯr·ə‚dē]
(vertebrate zoology)
The saw sharks, a family of modern sharks often grouped with the squaloids which have a greatly extended rostrum with enlarged denticles along the margins.

Pristiophoridae

 

(saw sharks), a family of fishes. The ensiform snout, which has sharp teeth along both sides, resembles a two-sided saw. Unlike sawfish of the genus Pristis, saw sharks have a pair of long cirra and lateral gill openings. They reach a length of 1.5 m and are viviparous. There are two genera, embracing four species. Saw sharks are distributed in the warm western waters of the Pacific and Indian oceans. They feed “on small fish and on invertebrates, which they dig out from the bottom with their snout. Saw sharks have some commercial value.

References in periodicals archive ?
ORDER FAMILY COMMON NAME Squaliformes Squalidae Angel shark Squaliformes Pristiophoridae Sawshark Squaliformes Squalidae Spurdog Hexanchiformes Hexanchidae Cow shark Lamniformes Carcharinidae Blue shark Lamniformes Carcharinidae Tiger shark Lamniformes Scyliorhinidae Dogfish shark Lamniformes Sphyrnidae Hammerhead shark Lamniformes Cetorhinidae Basking shark Lamniformes Lamnidae Great white shark Lamniformes Lamnidae Mako shark Lamniformes Alopiidae Thresher shark Lamniformes Rhincodontidae Whale shark Heterodontiformes Heterodontidae Bullhead shark ORDER LATIN NAME SIZE Squaliformes Squatina squatina 1-2 m Squaliformes Pristiophorus nudipinnus 1.