Biology:Thenus

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Short description: Genus of crustaceans


Thenus orientalis
Cooked whole Moreton Bay Bug.JPG
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Family: Scyllaridae
Subfamily: Theninae
Holthuis, 1985
Genus: Thenus
Leach, 1815
Species:
T. orientalis
Binomial name
Thenus orientalis
(Lund, 1793) [2]

Thenus orientalis is a species of slipper lobster from the Indian and Pacific oceans.

Moreton Bay bug flesh prior to cooking

T. orientalis is known by a number of common names. The United Nations Food and Agriculture Organization prefers the name flathead lobster, while the official Australia n name is Bay lobster.[3][4] In Australia, it is more widely known as the Moreton Bay bug after Moreton Bay, Brisbane, Queensland.[4] In Singapore, both the flathead lobster and true crayfish are called crayfish. They are used in many Singaporean dishes.[5][6][7][8][9] The species is sometimes confused with the Balmain bug (Ibacus peronii) but it can be distinguished by the placement of the eyes: the eyes of I. peronii are near the midline, while those of T. orientalis are at the margin of the carapace.[10]

T. orientalis has a strongly depressed body and grows to a maximum body length of 25 centimetres (9.8 in), or a carapace length of 8 cm (3.1 in).[3]

Thenus orientalis at a market in Thailand.

Thenus orientalis has an Indo-West Pacific distribution, ranging from the east coast of Africa (southern Red Sea, to Natal) to China including the Persian Gulf, southern Japan , the Philippines and along the northern coast of Australia from Western Australia to Queensland.[3] They are also caught on a small scale off the shores of Malaysia and Singapore.[3]

References

  1. Chan, T.Y.; Butler, M.; Cockcroft, A.; MacDiarmid, A.; Wahle, R.; Ng Kee Lin, P. (2011). "Thenus orientalis". IUCN Red List of Threatened Species 2011: e.T169979A6698039. doi:10.2305/IUCN.UK.2011-1.RLTS.T169979A6698039.en. https://www.iucnredlist.org/species/169979/6698039. Retrieved 19 November 2021. 
  2. Lund, N. T. (1793). "Slægten Scyllarus. Iagttagelser til Insekternes Historie. I.". SKR. Naturh.-Selsk. Kiobenhavn 2 (2): 17–22. 
  3. 3.0 3.1 3.2 3.3 Lipke B. Holthuis (1991). "Thenus orientalis". Marine Lobsters of the World. FAO Fisheries Synopsis No. 125. Food and Agriculture Organization. pp. 227–228. ISBN 92-5-103027-8. http://nlbif.eti.uva.nl/bis/lobsters.php?menuentry=soorten&id=205. 
  4. 4.0 4.1 "Species Thenus orientalis (Lund, 1793)". Australian Faunal Directory. Department of the Environment, Water, Heritage and the Arts. June 3, 2010. Archived from the original on December 29, 2011. https://web.archive.org/web/20111229205218/http://www.environment.gov.au/biodiversity/abrs/online-resources/fauna/afd/taxa/Thenus_orientalis. 
  5. "Straits Cafe @ Rendezvous Hotel – International Buffet". 14 June 2010. http://sparklette.net/food/rendezvous-hotel-buffet/. 
  6. "Sakura International Buffet". http://christinelua328.blogspot.com/2009/04/sakura-international-buffet.html. 
  7. "Singapore-Malaysia Trip: East Coast Seafood Centre". 4 October 2006. http://chowtimes.com/2006/10/04/singapore-malaysia-trip-east-coast-seafood-centre/. 
  8. "Sweet Chilli Crayfish (龙马精神)". 13 February 2010. http://www.mywoklife.com/2010/02/sweet-chilli-crayfish.html. 
  9. "What did you eat during the weekend/Holiday?". Archived from the original on 2011-07-14. https://web.archive.org/web/20110714022504/http://www.makansutra.com/forums/singapore/viewtopic.php?f=1&t=16769&start=30. 
  10. "Balmain Bug Ibacus peronii". New South Wales Department of Primary Industries. http://www.dpi.nsw.gov.au/fisheries/recreational/saltwater/sw-species/balmain-bug. 

External links

  • Photos of Thenus on Sealife Collection

Wikidata ☰ Q3089892 entry