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African softshell turtle

The African softshell turtle, or Nile softshell turtle (Trionyx triunguis), is a large species of softshell turtle from freshwater and brackish-water habitats in Africa (larger parts of Eastern, Northeastern, Western and Middle Africa) and the Near East (Israel, Lebanon, Syria and Turkey).[3] It is the only extant species in the genus Trionyx; historically, despite other species having been formerly placed in this genus as well, they have all been reclassified to other genera.[3] Despite the common name of "African softshell turtle", Trionyx triunguis is not the sole species (or genus) of softshell turtle found in Africa—the generas Cyclanorbis and Cycloderma are African—nor is it solely found on that continent, alone.[3] T. triunguis is a very large species of softshell turtle, with sizes ranging from 85 to 94 cm, with a weight of 40 kg, and an unconfirmed max size of 120 cm. They are omnivorous in their diet, consuming not only small fish, frogs, tadpoles and crustaceans, but also floating palm seeds and fallen leaves, and some aquatic vegetation.

African softshell turtle
CITES Appendix II (CITES)[2]
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Suborder: Cryptodira
Family: Trionychidae
Genus: Trionyx
Species:
T. triunguis
Binomial name
Trionyx triunguis
(Forskål, 1775)[3]
Synonyms[4]
  • Testudo triunguis Forsskål, 1775
  • Testudo striata Suckow, 1798
  • Trionyx egyptiacus Geoffroy Saint-Hilaire, 1809
  • Trionyx aegyptiacus Geoffroy Saint-Hilaire, 1809
  • Amyda triunguis Oken, 1816
  • Aspidonectes aegyptiacus Wagler, 1830
  • Trionyx niloticus Gray, 1831
  • Gymnopodus aegyptiacus Duméril & Bibron, 1835
  • Trionyx (Pelodiscus) labiatus Fitzinger, 1835
  • Tyrse nilotica Gray, 1844
  • Trionyx mortoni Hallowell, 1844
  • Aspidonectes aspilus Cope, 1860
  • Fordia africana Gray, 1869
  • Trionyx triunguis Peters, 1876
  • Gymnopus aspilus Rochebrune, 1884
  • Gymnopus aegyptiacus Boulenger, 1889
  • Pelodiscus triunguis Baur, 1893
  • Aspidonectes triunguis Hay, 1904
  • Pelodiscus labiatus Hay, 1904
  • Tyrse triunguis Hay, 1904
  • Trionyx triunguis rudolfianus Deraniyagala, 1948
  • Amyda triunguis rudolfianus Mertens & Wermuth, 1955
  • Amyda triunguis triunguis Mertens & Wermuth, 1955
  • Trionyx aegypticus Młynarski, 1969 (ex errore)
  • Trionyx triungus Gosławski & Hryniewicz, 1993 (ex errore)
  • Trionix triunguis Richard, 1999

T. triunguis was listed on CITES’s Appendix II in 2016; the population in Ghana was also included in CITES’s Appendix III from 1976 to 2007. The Mediterranean subpopulation of the Nile soft-shelled turtle was listed in the “Red List of Threatened Species” by the IUCN, as critically endangered. They are under threat because of large use of their habitats with fishing activities, and irrigation, destruction of their nesting places, destruction caused by boats, and water pollution.

A captive African softshell turtle

Religion edit

In Ancient Egyptian religion the African softshell turtle seems to have been viewed as a symbol of evil animal and opponent of Ra.[5]

Gallery edit

References edit

  1. ^ van Dijk; P.P.; Diagne, T.; Luiselli, L.; Baker, P.J.; Turkozan, O.; Taskavak, E. (2017). "Trionyx triunguis". IUCN Red List of Threatened Species. 2017: e.T62256A96894956. doi:10.2305/IUCN.UK.2017-3.RLTS.T62256A96894956.en. Retrieved 20 February 2022.
  2. ^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
  3. ^ a b c d Rhodin, Anders G. J.; Peter Paul van Dijk, John B. Inverson & Bradley H. Shaffer (December 14, 2010). (PDF). p. 000.128. Archived from the original (PDF) on July 17, 2011. Retrieved December 15, 2010.
  4. ^ Fritz, Uwe; Peter Havaš (2007). "Checklist of Chelonians of the World". Vertebrate Zoology. 57 (2): 322–323. doi:10.3897/vz.57.e30895.
  5. ^ Gautier, Achilles (2005). "Animal Mummies and Remains from the Necropolis of Elkab (Upper Egypt)". archaeofauna. 14: 139–170. Retrieved 25 December 2023.

Further reading edit

  • van Dijk, P.P., Diagne, T., Luiselli, L., Baker, P.J., Turkozan, O. & Taskavak, E. 2017. Trionyxtriunguis. The IUCN Red List of Threatened Species 2017: e.T62256A96894956
  • Güçlü, Özgür; Durmuş, Salih Hakan; Candan, Kamil; Beşer, Nurettin; Türkyilmaz, Süheyla; Yerli, Sedat; Bozdoğan, Bülent (2015). "Development and characterization of new polymorphic microsatellite loci for Trionyx triunguis (Testudines: Trionychidae) in the Mediterranean Basin". Amphibia-Reptilia. 36 (3): 318–324. doi:10.1163/15685381-00003003.

External links edit

  •   Data related to Trionyx triunguis at Wikispecies
  •   Media related to Trionyx triunguis at Wikimedia Commons


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The African softshell turtle or Nile softshell turtle Trionyx triunguis is a large species of softshell turtle from freshwater and brackish water habitats in Africa larger parts of Eastern Northeastern Western and Middle Africa and the Near East Israel Lebanon Syria and Turkey 3 It is the only extant species in the genus Trionyx historically despite other species having been formerly placed in this genus as well they have all been reclassified to other genera 3 Despite the common name of African softshell turtle Trionyx triunguis is not the sole species or genus of softshell turtle found in Africa the generas Cyclanorbis and Cycloderma are African nor is it solely found on that continent alone 3 T triunguis is a very large species of softshell turtle with sizes ranging from 85 to 94 cm with a weight of 40 kg and an unconfirmed max size of 120 cm They are omnivorous in their diet consuming not only small fish frogs tadpoles and crustaceans but also floating palm seeds and fallen leaves and some aquatic vegetation African softshell turtle Conservation status Vulnerable IUCN 3 1 1 CITES Appendix II CITES 2 Scientific classification Domain Eukaryota Kingdom Animalia Phylum Chordata Class Reptilia Order Testudines Suborder Cryptodira Family Trionychidae Genus Trionyx Species T triunguis Binomial name Trionyx triunguis Forskal 1775 3 Synonyms 4 Testudo triunguis Forsskal 1775 Testudo striata Suckow 1798 Trionyx egyptiacus Geoffroy Saint Hilaire 1809 Trionyx aegyptiacus Geoffroy Saint Hilaire 1809 Amyda triunguis Oken 1816 Aspidonectes aegyptiacus Wagler 1830 Trionyx niloticus Gray 1831 Gymnopodus aegyptiacus Dumeril amp Bibron 1835 Trionyx Pelodiscus labiatus Fitzinger 1835 Tyrse nilotica Gray 1844 Trionyx mortoni Hallowell 1844 Aspidonectes aspilus Cope 1860 Fordia africana Gray 1869 Trionyx triunguis Peters 1876 Gymnopus aspilus Rochebrune 1884 Gymnopus aegyptiacus Boulenger 1889 Pelodiscus triunguis Baur 1893 Aspidonectes triunguis Hay 1904 Pelodiscus labiatus Hay 1904 Tyrse triunguis Hay 1904 Trionyx triunguis rudolfianus Deraniyagala 1948 Amyda triunguis rudolfianus Mertens amp Wermuth 1955 Amyda triunguis triunguis Mertens amp Wermuth 1955 Trionyx aegypticus Mlynarski 1969 ex errore Trionyx triungus Goslawski amp Hryniewicz 1993 ex errore Trionix triunguis Richard 1999 T triunguis was listed on CITES s Appendix II in 2016 the population in Ghana was also included in CITES s Appendix III from 1976 to 2007 The Mediterranean subpopulation of the Nile soft shelled turtle was listed in the Red List of Threatened Species by the IUCN as critically endangered They are under threat because of large use of their habitats with fishing activities and irrigation destruction of their nesting places destruction caused by boats and water pollution A captive African softshell turtle Contents 1 Religion 2 Gallery 3 References 4 Further reading 5 External linksReligion editIn Ancient Egyptian religion the African softshell turtle seems to have been viewed as a symbol of evil animal and opponent of Ra 5 Gallery edit nbsp African softshell turtle at Nahal Alexander Israel nbsp Head of African softshell turtle at Nahal Alexander Israel nbsp African softshell turtle with red eared sliders at Nahal Alexander Israel nbsp Head and neck of African softshell turtle at Nahal Alexander Israel nbsp Head and neck retracted of African softshell turtle at Nahal Alexander IsraelReferences edit van Dijk P P Diagne T Luiselli L Baker P J Turkozan O Taskavak E 2017 Trionyx triunguis IUCN Red List of Threatened Species 2017 e T62256A96894956 doi 10 2305 IUCN UK 2017 3 RLTS T62256A96894956 en Retrieved 20 February 2022 Appendices CITES cites org Retrieved 2022 01 14 a b c d Rhodin Anders G J Peter Paul van Dijk John B Inverson amp Bradley H Shaffer December 14 2010 Turtles of the World 2010 Update Annotated Checklist of Taxonomy Synonymy Distribution and Conservation Status PDF p 000 128 Archived from the original PDF on July 17 2011 Retrieved December 15 2010 Fritz Uwe Peter Havas 2007 Checklist of Chelonians of the World Vertebrate Zoology 57 2 322 323 doi 10 3897 vz 57 e30895 Gautier Achilles 2005 Animal Mummies and Remains from the Necropolis of Elkab Upper Egypt archaeofauna 14 139 170 Retrieved 25 December 2023 Further reading editvan Dijk P P Diagne T Luiselli L Baker P J Turkozan O amp Taskavak E 2017 Trionyxtriunguis The IUCN Red List of Threatened Species 2017 e T62256A96894956 Guclu Ozgur Durmus Salih Hakan Candan Kamil Beser Nurettin Turkyilmaz Suheyla Yerli Sedat Bozdogan Bulent 2015 Development and characterization of new polymorphic microsatellite loci for Trionyx triunguis Testudines Trionychidae in the Mediterranean Basin Amphibia Reptilia 36 3 318 324 doi 10 1163 15685381 00003003 External links edit nbsp Data related to Trionyx triunguis at Wikispecies nbsp Media related to Trionyx triunguis at Wikimedia Commons nbsp This article about a turtle is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title African softshell turtle amp oldid 1210865827, wikipedia, wiki, book, books, library,

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