Hemiscyllium dudgeonae

Blakeway, Townsend, Erdmann, Allen, Teliwa, Waranaka, Brooks& Dudgeon, 2026



Classification: Elasmobranchii Orectolobiformes Hemiscylliidae

Reference of the original description
Blakeway, J.-A. & Townsend, K. & Erdmann, M. & Allen, G. & Teliwa, M. & Waranaka, J.-A. & Brooks, W. & Dudgeon, C.L. (2026)
A review of walking shark (Hemiscylliidae: Hemiscyllium) distributions in Papua New Guinea and description of a new species. Journal of the Ocean Science Foundation, 46, 71–110

Types
Hemiscyllium dudgeonae
Holotype: WAM: P.36018-001; Paratype: QM: I.41556; UPNG: E0534; USNM: 221705;

Images of types

Description :


Citation: Hemiscyllium dudgeonae Blakeway, Townsend, Erdmann, Allen, Teliwa, Waranaka, Brooks& Dudgeon, 2026: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 06/2026

Please send your images of "Hemiscyllium dudgeonae" to info@shark-references.com

Hemiscyllium dudgeonae Blakeway, Townsend, Erdmann, Allen, Teliwa, Waranaka, Brooks& Dudgeon, 2026; male holotype, WAM P. 36018–001, 673 mm TL, near Yabwaia Island, Milne Bay Province, Papua New Guinea at 8 m © N. Ichida
Common names
eng Dudgeon’s Epaulette Shark

Short Description
Diagnosis after Blakeway et al., 2026 [36002]: A species of Hemiscyllium, distinguished from all congeners by a combination of brown freckling interspersed with white spots and white dashes on head and most of body, becoming less conspicuous on tail; including about 38–48 brown spots on snout region, 11 or 12 brown spots on interorbital, about 30 brown spots on dorsal surface of each pectoral fin, about 30 brown spots on each pelvic fin, a prominent post-cephalic ocellus, a relatively large pair of intense dark brown spots just behind and below spiracle, and a row of 7 widely spaced spots along lower side. Also distinguished from congeners by some differences in DNA sequences.

Distribution
Milne Bay Province, eastern PNG between the Amphlett Islands (off northern Fergusson Island, D’Entrecasteaux Islands) and the Trobriand Islands [36002]

Size / Weight / Age
TL(max): 781 mm TL [36002]

Habitat
marine; depth range: [36002]

Dentition
Teeth pavement-like, composed of numerous rows; individual teeth broad-based with single posteriorly directed cusp , the cusps of innermost rows more developed [36002]

Remarks
shark-references Species-ID=17854