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Humpback smooth-hound

Humpback smooth-hound
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Subdivision: Selachimorpha
Order: Carcharhiniformes
Family: Triakidae
Genus: Mustelus
Species:
M. whitneyi
Binomial name
Mustelus whitneyi

The humpback smooth-hound (Mustelus whitneyi) is a species of houndshark and a part of the family Triakidae[2].The most noticeable difference between Mustelus whitneyi and its relatives, is the slight curvature, causing a "humpback" appearance located in front of its primary dorsal fin. It is found on the continental shelves of the tropical southeast Pacific, from Peru to southern Chile, between latitudes 3° S and 54° S. These sharks are demersal feeders but range from depths between 15 and 210 metres (50 and 690 ft). Humpback smooth-hound sharks are small sharks, reaching a maximum size of 118cm in total length.[3] Mustelus whitneyi typically feed on teleosts and invertebrates in the benthic and pelagic ecosystems, most important prey being the peruvian anchovy.[4] These humpback smooth-hound sharks are placental viviparious sharks, meaning that the embryo forms inside the mother tethered by the placental cord.[5] The threats currently causing population decline to humpback smooth-hound sharks surround issues with local fisheries and management.

  1. ^ Dulvy, N.K.; Acuña, E.; Bustamante, C.; Cevallos, A.; Herman, K.; Velez-Zuazo, X. (2020). "Mustelus whitneyi". IUCN Red List of Threatened Species. 2020: e.T63129A124461599. doi:10.2305/IUCN.UK.2020-3.RLTS.T63129A124461599.en. Retrieved 19 November 2021.
  2. ^ Chirichigno, F. (1973). "Mustelus whitneyi". Integrated Taxonomic Information System - Report. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=160266#null
  3. ^ Dulvy, N. K., Acuna, E., Bustamante, C., Garcias, A.C., Herman, K., Velez-Zuazo, X. 2020. Mustelus whitneyi, Humpback Smoothhound. The IUCN Red List of Threatened Species. Report number: e.T63129A124461599. International Union for Conservation of Nature. doi:10.2305/IUCN.UK.2020-3.RLTS.T63129A124461599.en
  4. ^ Gonzalez‐Pestana, Mangel, J. C., Alfaro‐Córdova, E., Acuña‐Perales, N., Córdova‐Zavaleta, F., Segura‐Cobeña, E., Benites, D., Espinoza, M., Coasaca‐Céspedes, J., Jiménez, A., Pingo, S., Moscoso, V., Alfaro‐Shigueto, J., & Espinoza, P. (2021). Diet, trophic interactions and possible ecological role of commercial sharks and batoids in northern Peruvian waters. Journal of Fish Biology, 98(3), 768–783. doi:10.1111/jfb.14624
  5. ^ Gonzalez-Pestana, Adriana; Alfaro-Shigueto, Joanna; Mangel, Jeffrey C. (2019-02-21). "Aspects of reproductive biology of the humpback smooth-hound shark (Mustelus whitneyi) off northern Peru". Marine and Freshwater Research. 70 (8): 1185–1188. doi:10.1071/MF18382 ISSN 1448-6059

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