Triakis semifasciata

GIRARD, 1855


Leopard shark
Classification: Elasmobranchii Carcharhiniformes Triakidae

Reference of the original description
GIRARD, C.F. (1855)
Characteristics of some cartilaginous fishes of the Pacific coast of North America. Proceedings of the Academy of Natural Sciences of Philadelphia, 7: 196–197

Image of the original description
No image in first description.

Synonyms / new combinations and misspellings
Mustelus felis, Triacis semifasciata, Triacis semifasciatus, Triakis californica, Triakis cf. semifasciata, Triakis felis, Triakis semifasciatum, Triakis semifasciatus, Triakis (Triakis) semifasciata

Types
Triakis semifasciata
Syntype: USNM: 988;


Description :


Citation: Triakis semifasciata GIRARD, 1855: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 09/2020

Please send your images of "Triakis semifasciata" to info@shark-references.com

Triakis semifasciata GIRARD, 1855, SIO 62-213, 1035 mm TL, collected on 4/20/1962 from water approximately 4 m deep in the south arm of Bahia de Los Angeles, Baja California, Mexico using a 150-ft seine bag © Digital Fish Library
Common names
deu \(T\) Leopardhai, spa Tiburón leopardo, spa Tollo leopardo, fra \(T\) Virli léopard, eng Leopard shark, por Tubarão-leopardo

Short Description
Original diagnose after Compagno, 1984 [517]: Field Marks: The bold, saddled black colour pattern of this shark is unique.
Diagnostic Features: Strong cusps and cusplets on almost all teeth, teeth not semimolariform, lateroposterior ones bladelike, with strongly oblique cusps. First dorsal fin with posteroventrally sloping posterior margin; pectoral fins broadly triangular in adults. Total vertebral counts 129 to 150. Colour grey or bronzy-grey above, white below, with bold, large, broad black saddle-marks, becoming light-centred in adults, and scattered large black spots.

Distribution
Eastern Pacific: Oregon, USA to the Gulf of California. Source: www.gbif.org

Human uses
fisheries: commercial; gamefish: yes; aquarium: commercial

Biology
Females produce 6-24 young, which are 20-23 cm long at birth (Ref. 43439). Ovoviviparous, embryos feed solely on yolk [733].

Size / Weight / Age
198 cm TL (male/unsexed; [517]); 180 cm TL (female); max. published weight: 18.4 kg (Ref. 40637); max. reported age: 30 years (Ref. 6145)

Habitat
demersal; brackish; marine; depth range ? - 91 m (Ref. 9253), usually ? - 6 m (Ref. 55312)

Remarks
shark-references Species-ID=7252;

Parasites (arranged by Jürgen Pollerspöck)
Myxosporea
  • Ceratomyxa jamesoni KUDO, 1933 [21233]
  • Ceratomyxa taenia JAMESON, 1931 [23380]

Cestoda
Copepoda
Isopoda
  • Nerocila californica SCHIOEDTE & MEINERT, 1883 [23898]

Hirudinea
  • Branchellion lobata MOORE, 1952 [23244]