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Thalassina genus of mud lobsters found in the mangrove swamps of the Indian Ocean and western Pacific Ocean . Its nocturnal burrowing is important for the recycling of nutrients in the mangrove ecosystem, although it is sometimes considered a pest of fish and prawn farms .
Description [ edit ]
Thalassina is a lobster -like animal which grows up to 30 centimetres (12 in ) long,[1] in ) long. Its colour ranges from pale to dark brown and brownish green.[2] carapace is tall and ovoid, extends over less than one third of the animal's length, and projects forward into a short rostrum .[3] uropods are reduced in form, and do not form a functional tail fan with the telson .[4] setae on the legs and gills are used to prevent sediment from reaching the gills and for expelling any which does reach them. Thalassina also makes use of "respiratory reversal" to keep the gills free of dirt.[5]
Distribution [ edit ]
Thalassina is found along the coast of the Asian mainland from Kerala , India to Vietnam , including Sri Lanka and the Andaman and Nicobar Islands . It is also found throughout most of Maritime Southeast Asia and the Ryukyu Islands , and its range extends south to most of Australia's north coast (from the North West Cape in Western Australia to Central Queensland ), and east to Fiji and Samoa .[3]
Ecology and behaviour [ edit ]
Thalassina lives in burrows up to 2 m (6.6 ft ) deep, and is active at night .[6] ecosystem bringing organic matter up from deep sediments. The animal's output forms large volcano-like mounds which can reach heights of 3 m (10 ft ) and are vital to many other species such as Odontomachus malignus an ant ), Episesarma singaporense a crab ), Wolffogebia phuketensis mud shrimp ), Idioctis littoralis a spider ), Acrochordus granulatus a snake ), Excoecaria agallocha a mangrove ) and termites . The burrowing activity can cause T. anomala to be seen as a pest where it weakened the bunding that surrounds prawn farms or fish farms .[1] small-eyed goby , a species of herbivorous goby specialising in feeding on seagrass, shares the burrows of mud lobsters of the genus Thalassina .[7]
Use as food [ edit ]
In parts of its range, including Indonesia , Philippines , New Guinea and Fiji , the claws of Thalassina are eaten, but the meat is bland and it is never very popular. In powdered form or steeped in alcohol , it is used in Thailand as a remedy for asthma .[3]
Fossil record [ edit ]
Thalassina anomala - Fossil
Fossils of Thalassina are encountered "in countless numbers",[8] Miocene . They are generally preserved in a hard phosphatic nodule which is believed to be the animal's moulting position. Storms may trap the animals in their burrows, and the mineral -rich nature of the sediments leads to very rapid fossilisation.[9] Thalassina , together with other warm-water species in the Miocene of Japan (outside the current range of the species) is taken as confirmation of a period of increased temperatures 16 [10]
Taxonomy [ edit ]
Thalassina is the only genus in the family Thalassinidae (=Scorpionoidae Haworth, 1825 ).[11] [3] Thalassina anomala , was recognised, but a 2009 revision by Nguyen Ngoc-Ho and Michèle de Saint Laurent increased the number of extant species to eight, including one fossil species.[12] Gebiidea , alongside the families Upogebiidae , Axianassidae and Laomediidae .[13] [14]
Species [ edit ]
The extant species are:[13]
Thalassina anomala Herbst, 1804 – Indo-West Pacific, synonym T. maxima
Thalassina australiensis Sakai & Türkay, 2012
Thalassina emerii Bell, 1844
Thalassina gracilis Dana, 1852 – Thailand, Singapore, Indonesia and north-western Australia
Thalassina kelanang Moh & Chong, 2009 – Malaysia
Thalassina krempfi Ngoc-Ho & de Saint Laurent, 2009 – Vietnam, Singapore and Indonesia
Thalassina pratas Lin, Komani & Chan, 2016 – China
Thalassina saetichelis Sakai & Türkay, 2012
Thalassina spinirostris Ngoc-Ho & de Saint Laurent, 2009 – Singapore, Malaysia
Thalassina spinosa Ngoc-Ho & de Saint Laurent, 2009 – Indonesia, India and Papua New Guinea
Thalassina squamifera de Man, 1915 – Thailand, Philippines, Singapore, Indonesia, Papua New Guinea, Solomon Islands, Fiji, northern Australia
The fossil species, Thalassina emerii [12]
References [ edit ]
^ "Mangrove lobster (Thalassina squamifera )" . Marine Life of the Dampier Archipelago . Western Australian Museum . 2006.
^ a b c d Lipke B. Holthuis (1991). "Thalassina anomala ". Marine Lobsters of the World Food and Agriculture Organization . pp. 229–231. ISBN 92-5-103027-8
^ K. N. Sankolli (1970). "The Thalassinoidea (Crustacea, Anomura) of Maharashtra" (PDF) . Journal of the Bombay Natural History Society . 67 2 ): 235–249.
^ Zenon B. Batang & H. Suzuki (1999). "Gill-cleaning mechanisms of the mud lobster Thalassina anomala (Decapoda: Thalassinidea: Thalassinidae)". Journal of Crustacean Biology 19 4 ): 671–683. doi :10.2307/1549290 . JSTOR 1549290 .
^ Ria Tan (2001). "Mud Lobster Thalassina anomala " . Archived from the original on 2007-08-27.
^ Dianne J. Bray. "Austrolethops wardi " . Fishes of Australia . Museums Victoria. Retrieved 22 August 2018 .
^ W. N. Benson & H. J. Finlay (1950). "A post-Tertiary micro-fauna in a concretion containing Cancer novae-zealandiae " . Transactions and Proceedings of the Royal Society of New Zealand 78
^ Eric Leif Peters (August 4, 2005). "Too young to be an old fossil?" . Chicago State University . Archived from the original on June 8, 2004. Retrieved April 7, 2011 .
^ H. Karasawa & I. Nishikawa (1991). "Thalassina anomala (Herbst, 1804) (Thalassinidea: Decapoda) from the Miocene Bihoku Group, southwest Japan" . Transactions and Proceedings of the Palaeontological Society of Japan 163 : 852–860.
^ "Thalassinidae Latreille, 1831" . WoRMS . World Register of Marine Species . 2023. Retrieved 31 May 2023 .
^ a b Nguyen Ngoc-Ho; Michèle de Saint Laurent (2009). "The genus Thalassina Latreille, 1806 (Crustacea: Thalassinidea: Thalassinidae)" (PDF) . Raffles Bulletin of Zoology
^ a b "Thalassina Latreille, 1806" . WoRMS . World Register of Marine Species . 2023. Retrieved 31 May 2023 .
^ K. Sakai (2004). "The diphyletic nature of the Infraorder Thalassinidea (Decapoda, Pleocyemata) as derived from the morphology of the gastric mill". Crustaceana 77 9 ): 1117–1129. doi :10.1163/1568540042900268 . JSTOR 20107419 .
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Thalassina&oldid=1157865797 " C a t e g o r i e s : ● T h a l a s s i n i d e a ● D e c a p o d g e n e r a ● E d i b l e c r u s t a c e a n s ● E x t a n t M i o c e n e f i r s t a p p e a r a n c e s ● T a x a n a m e d b y P i e r r e A n d r é L a t r e i l l e H i d d e n c a t e g o r i e s : ● C S 1 : l o n g v o l u m e v a l u e ● A r t i c l e s w i t h s h o r t d e s c r i p t i o n ● S h o r t d e s c r i p t i o n i s d i f f e r e n t f r o m W i k i d a t a ● A r t i c l e s w i t h ' s p e c i e s ' m i c r o f o r m a t s ● T a x o n b a r s o f m o n o t y p i c g e n e r a m i s s i n g s p e c i e s
● T h i s p a g e w a s l a s t e d i t e d o n 3 1 M a y 2 0 2 3 , a t 1 3 : 0 2 ( U T C ) . ● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n . ● P r i v a c y p o l i c y ● A b o u t W i k i p e d i a ● D i s c l a i m e r s ● C o n t a c t W i k i p e d i a ● C o d e o f C o n d u c t ● D e v e l o p e r s ● S t a t i s t i c s ● C o o k i e s t a t e m e n t ● M o b i l e v i e w
