Carcharhinus obsoletus White, Kyne & Harris, 2019

Lost shark, False smalltail shark



Taxonomy & Nomenclature

Synonym/s: Carcharhinus obsolerus White, Kyne & Harris, 20019 [orth. error (see Dubois & Séret, 2019)]


Conservation Status


Last record: December 1934 (White et al., 2019)

IUCN RedList status: Critically Endangered (Possibly Extinct)



Western Central Pacific ocean (Borneo, Thailand & Vietnam) (White et al., 2019).


Biology & Ecology




3 specimens are known:

NMW 61463, female 433 mm TL, Bangkok, Thailand, no date or collector recorded.

ANSP 76859, female late-term embryo 339 mm TL, Ho Chi Minh City, Vietnam, Dec. 1934, coll. H. Rutherfurd; ANSP 77121 (paratype of Carcharhinus tephrodes Fowler), female 370 mm TL, Baram, Sarawak, Malaysian Borneo, 1897, coll. A.C. Harrison Jr. & H.M. Hiller."

Source: (White et al., 2019)






Original scientific description:

White, William T., Kyne, Peter M. and Harris, Mark. (2019a). Lost before found: A new species of whaler shark Carcharhinus obsolerus from the Western Central Pacific known only from historic records. PLoS ONE 14(1): e0209387. 


Other references:

del Monte-Luna, Pablo et al. (2023). A review of recent and future marine extinctions. Cambridge Prisms: Extinction 1: e13. [as obsolerus]

Dubois, A. and Séret, B. (2019). A justified emendation for a specific nomen of shark (Chondrichthyes), with comments on some Articles of the Code. Bionomina 15: 59-62. [Abstract]

Dulvy, N.K., Kyne, P.M., Finucci, B. & White, W.T. 2020. Carcharhinus obsoletus. The IUCN Red List of Threatened Species 2020: e.T115696622A115696628. Accessed on 24 July 2022.

White, William T., Kyne, Peter M. and Harris, Mark. (2019b). The correct spelling of the nomen of the lost shark Carcharhinus obsolerus White, Kyne & Harris, 2019 (Chondrichthyes, Carcharhinidae). Zootaxa 4657(3): 599-600.


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