Shark Family Tree

Honeycomb Izak Catshark (Holohalaelurus favus)

The Honeycomb Izak Catshark is a difficult shark to spot these days. Once abundant in the waters off Kwazulu-Natal, South Africa, and Mozambique, the unique species has mysteriously vanished from sight. Interestingly, juvenile H. favus appears to have adapted to deeper waters than their elders, but the deep-sea catshark has not been recorded at any depth since the mid 1970s. Researchers and observers exploring the Southern Indian Ocean are keeping an eye out for the elusive species in hopes that it’ll turn up.

H favus art 4

Also known as:  East African Spotted Izak Catshark, Natal Izak Catshark
Distribution: Western Indian Ocean: KwaZulu-Natal, South Africa to southern Mozambique
Biology: essentially unknown
Status: IUCN Red List: Endangered

*Brought to you by Sharks of the World, 2014.

Other sources:

HUMAN, B.A. (2009) Holohalaelurus favus In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. www.iucnredlist.org

HUMAN, B.A. (2006) A taxonomic revision of the catshark genus Holohalaelurus Fowler 1934 (Chondrichthyes: Carcharhiniformes: Scyliorhinidae), with descriptions of two new species. Zootaxa, 1315: 1-56

BASS, A.J. & D’AUBREY, J.D. & KISTNASAMY, N. (1975) Sharks of the east coast of Southern Africa. II. The families Scyliorhinidae and Pseudotriakidae. Investigational Report Oceanographic Research Institute, 37: 1-64

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