Spotted estuary smooth-hound

The spotted estuary smooth-hound or rig (Mustelus lenticulatus) is a houndshark of the family Triakidae, found on the continental shelves and in estuaries around New Zealand.[2] It is closely related to the gummy shark (Mustelus antarcticus) of Australia.[3] Males can grow up to a length of 125 cm, while females can reach a length of 151 cm.[2]

Spotted estuary smooth-hound
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Order: Carcharhiniformes
Family: Triakidae
Genus: Mustelus
Species:
M. lenticulatus
Binomial name
Mustelus lenticulatus
Phillipps, 1932

It is commercially fished, and is commonly served in fish and chip shops in New Zealand under the name "lemonfish".[4] In June 2018 the New Zealand Department of Conservation classified the spotted estuary smooth-hound as "Not Threatened" with the qualifier "Conservation Dependent" under the New Zealand Threat Classification System.[5]

References
  1. Finucci, B.; Kyne, P.M. (22 June 2017). "Mustelus lenticulatus". IUCN Red List of Threatened Species. 22 June 2017. Retrieved 21 January 2019.
  2. Carpenter, Kent E.; Binohlan, Crispina B. "Mustelus lenticulatus Phillipps, 1932 Spotted estuary smooth-hound". Fishbase. Retrieved 21 January 2019.
  3. Gardner, M.G.; Ward, R.D. (2002). "Taxonomic affinities within Australian and New Zealand Mustelus sharks (Chondrichthyes: Triakidae) inferred from allozymes, mitochondrial DNA and precaudal vertebrae counts". Copeia. BioOne. 2002 (2): 356–363. doi:10.1643/0045-8511(2002)002[0356:TAWAAN]2.0.CO;2. Retrieved 12 January 2015.
  4. Ballance, Alison (5 March 2015). "Tracking Rig Sharks". Radio New Zealand. Retrieved 21 January 2019.
  5. Duffy, Clinton A. J.; Francis, Malcolm; Dunn, M. R.; Finucci, Brit; Ford, Richard; Hitchmough, Rod; Rolfe, Jeremy (2018). Conservation status of New Zealand chondrichthyans (chimaeras, sharks and rays), 2016 (PDF). Wellington, New Zealand: Department of Conservation. p. 10. ISBN 9781988514628. OCLC 1042901090.
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