04.04.2013 Views

FAO Species Identification Guide for Fishery Purposes Western

FAO Species Identification Guide for Fishery Purposes Western

FAO Species Identification Guide for Fishery Purposes Western

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

1234 Sharks<br />

Key to the species of Pristiophoridae occurring in thea area<br />

1a. Barbels closer to rostral tip than mouth or approximately equidistant, prebarbel snout<br />

45 to 51% of preoral snout; spiracles moderately large, width less than 0.5 of eye<br />

diameter; distance from nostrils to mouth more than 1.3 times internarial space; colour<br />

uni<strong>for</strong>m pale yellowish brown above; maximum total length 80 cm, males mature at<br />

62 cm (Australia) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pristiophorus sp. B<br />

1b. Barbels slightly closer to mouth than rostral tip, prebarbel snout 51 to 55% of preoral<br />

snout. Spiracles large, width almost 0.75 of eye diameter; distance from nostrils to mouth<br />

about 1.1 to 1.2 times internarial space; colour uni<strong>for</strong>m dark brown above; maximum<br />

total length at least 73 cm (females) (Philippines) . . . . . . . . . . . . . . . . . Pristiophorus sp.<br />

List of species occurring in the area<br />

The symbol is given when species accounts are included.<br />

Pristiophorus sp. B [Last and Stevens, 1994] (Australia)<br />

Pristiophorus sp. (Philippines)<br />

References<br />

Compagno, L.J.V. 1984. <strong>FAO</strong> species catalogue. Vol.4. Sharks of the world. An annotated and illustrated catalogue of<br />

shark species known to date. Part 1. Hexanchi<strong>for</strong>mes to Lamni<strong>for</strong>mes. <strong>FAO</strong> Fish. Synop., (125)Vol.4,Pt.1:150 p.<br />

Last, P. and J.D. Stevens. 1993. Sharks and rays of Australia. Australia, CSIRO, 513 p.<br />

Springer, S. and H.R. Bullis, Jr. 1960. A new species of sawsharks, Pristiophorus schroederi, from the Bahamas. Bull.<br />

Mar. Sci. Gulf Caribb., 10(2):241-254.<br />

Pristiophorus sp. B [Last and Stevens, 1994]<br />

En - Tropical sawshark.<br />

Maximum total length at least 84 cm. So far only known from the continental slope off tropical<br />

northeastern Australia between Rockhampton and Cairns in depths of 300 to 400 m. Interest to<br />

fisheries unknown.<br />

Pristiophorus sp.<br />

(after Last and Stevens, 1994)<br />

En - Philippine sawshark.<br />

Maximum total length at least 73 cm. A little-known deep-water sawshark, so far only known from<br />

the upper continental slope off southern Luzon (Balayan Bay, Ragay Gulf) and between Negros and<br />

Siquijor in the Philippines at depths of 229 to 593 m. Interest to fisheries unknown. Previously<br />

confused with Pristiophorus cirratus and P. japonicus, which apparently do not occur in the area.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!