Common names
Cazon picudo, Cazón, Cazón bironche, Cazón picudo del Pacífico, Tiburón hocicón, Tiburón hocicón del Pacífico, Tiburón tollo, Tollito, Tollo, Requin bironche, Pacific sharp-nosed shark, Pacific sharpnose shark, Squalo di Terranuova, Tubarao-terranova, Tubarão-bicudo-do-Pacífico#

Short Description
Field Marks : The only requiem shark in the eastern Pacific with long labial furrows and a second dorsal origin well behind the anal origin. See key to species and diagnostic features for characters separating it from other members of its genus.
Diagnostic Features : Prenarial snout 4.5 to 6% of total length; upper labial furrows long, 2.1 to 2.6% of total length; total count of enlarged hyomandibular pores on both sides of head just behind mouth angle usually over 16 (8 to 15 on each side); teeth with serrated edges in adults; teeth not differentiated between sexes; total tooth rows usually 27 to 29/26 to 28. First dorsal origin usually over or slightly in front of pectoral free rear tips; second dorsal origin above last third of anal base in front of its insertion; pectoral anterior margin usually equal to or shorter than first dorsal length from origin to free rear tip; adpressed apex of pectoral reaches anterior third or two-thirds of first dorsal base. Posterior monospondylous precaudal centra greatly enlarged; precaudal centra variably 12 less to 8 more than caudals, precaudals 68 to 86, total counts 146 to 167. Size moderate, males maturing over 60 cm total length. Colour grey or grey-brown above, white below, pectoral fins with light edges, dorsals with dusky tips. [517]

Distribution
Eastern Pacific: southern California, USA to Peru. Source: www.gbif.org

Human uses
fisheries: commercial

Biology
Distinct pairing with embrace [17086]. Viviparous, placental [733].

Size / Weight / Age
110 cm TL (male/unsexed; [517]); 154 cm TL (female)

Habitat
benthopelagic; marine; depth range ? - 27 m

Remarks
shark-references Species-ID=6113;