Whitefin Swellshark, Cephaloscyllium albipinnum Last, Motomura & White 2008
Whitefin Swell-shark
Introduction
The Whitefin Swellshark, Cephaloscyllium albipinnum, is a medium to large shark found off the southeastern coast of Australia. It is known for its ability to inflate its stomach to appear larger when threatened.
What do Whitefin Swellsharks look like?
Identification
This shark has a robust body with broad dark saddles along its back and large dark blotches on its sides, particularly distinct in juveniles. Its fins are mostly dark with a pale margin and it has a uniformly pale underside.
Where do Whitefin Swellsharks live?
Habitat
A benthic species occurring on the continental shelf and slope, inhabiting depths of 125-555 m.
Distribution
Ranging from Batemans Bay, New South Wales, to Eucla in the Great Australian Bight, Western Australia, including Tasmania.
The map below shows the Australian distribution of the species based on public sightings and specimens in Australian Museums. Source: Atlas of Living Australia.
What is the life cycle of Whitefin Swellsharks?
Life cycle
The Whitefin Swellshark is oviparous (egg laying), with females laying flask-shaped egg capsules with no transverse ridges. Males mature by about 70 cm in length.
Conservation status
Primary threats
The Whitefin Swellshark is listed as Near Threatened by the IUCN. Despite its little commercial value, the Whitefin Swellshark is taken as bycatch in several fisheries, leading to population declines.
References:
- https://www.fish.gov.au/docs/SharkReport/FRDC_Cephaloscyllium_albipinnum.pdf
- Pardo, S.A., Dulvy, N.K., Barratt, P.J. & Kyne, P.M. 2019. Cephaloscyllium albipinnum. The IUCN Red List of Threatened Species 2019: e.T42706A68615830. https://dx.doi.org/10.2305/IUCN.UK.2019-1.RLTS.T42706A68615830.en.