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Tridacna maxima (Röding, 1798)

Accepted
Tridacna maxima (Röding, 1798) collected from the Indian Ocean.
Tridacna maxima (Röding, 1798) collected from the Indian Ocean.
Tridacna maxima (Röding, 1798) collected from the Indian Ocean.
Tridacna maxima (Röding, 1798) collected from the Indian Ocean.
Tridacna maxima (Röding, 1798) collected from the Indian Ocean.
Tridacna maxima (Röding, 1798) collected from the Indian Ocean.
🗒 Synonyms
synonymTridacna acuticostata G.B. Sowerby III, 1912
synonymTridacna elongata Lamarck, 1819
synonymTridacna elongatissima Bianconi, 1856
synonymTridacna fossor Hedley, 1921
synonymTridacna troughtoni Iredale, 1927
🗒 Common Names
English
  • Maxima Clam
  • Small Giant Clam
Other
  • Elongated Giant Clam
  • Small Giant Clam.
📚 Overview
Overview
Summary
Tridacna maxima, commonly called the Small Giant Clam, is a sessile bivalve with the widest range of all Giangt Clam species, and found in the oceans surrounding east Africa, India, China, Australia, Southeast Asia and the islands of the Pacific.
Compiled from various sources listed in the reference.
Attributions Compiled from various sources listed in the reference.
Contributors 
c_ravi
Status UNDER_CREATION
Licenses CC_BY
References 
    Diagnostic Keys
    SubSpecies Varieties Races
    Tridacna maxima var. fossor Hedley, 1921
    Compiled from various sources listed in the reference.
    Attributions Compiled from various sources listed in the reference.
    Contributors 
    Status UNDER_CREATION
    Licenses CC_BY
    References 
      No Data
      📚 Natural History
      Reproduction
      Sexual maturity: At 2-3 years of age. Reproduction stimuli: Lunar cycles, the presence of other sperms and eggs in the water, the time of the day. Fertilisation: External. Hermaphrodites release sperms first, then eggs.
      Compiled from various sources listed in the reference.
      Attributions Compiled from various sources listed in the reference.
      Contributors 
      Status UNDER_CREATION
      Licenses CC_BY
      References 
        Size
        Length: maximum of 20cm.
        Compiled from various sources listed in the reference.
        Attributions Compiled from various sources listed in the reference.
        Contributors 
        Status UNDER_CREATION
        Licenses CC_BY
        References 
          Morphology
          Large shell that adheres to a rock by its byssus, has bright blue, green or brown mantle and distinctive furrows on edges.
          Compiled from various sources listed in the reference.
          Attributions Compiled from various sources listed in the reference.
          Contributors 
          Status UNDER_CREATION
          Licenses CC_BY
          References 
            Trophic Strategy
            Feeds on algae.
            Compiled from various sources listed in the reference.
            Attributions Compiled from various sources listed in the reference.
            Contributors 
            Status UNDER_CREATION
            Licenses CC_BY
            References 
              Associations
              Acts as the host for the ectoparasite Anthessius alatus Humes & Stock, 1965. Forms symbiotic associations with tiny photosynthetic zooxanthellae.
              Compiled from various sources listed in the reference.
              Attributions Compiled from various sources listed in the reference.
              Contributors 
              Status UNDER_CREATION
              Licenses CC_BY
              References 
                No Data
                📚 Habitat and Distribution
                General Habitat

                Habitat

                Marine
                Marine
                Marine: found in shallow water coral reefs in well-lit areas.
                Compiled from various sources listed in the reference.
                Attributions Compiled from various sources listed in the reference.
                Contributors 
                Status UNDER_CREATION
                Licenses CC_BY
                References 
                  No Data
                  📚 Occurrence
                  No Data
                  📚 Demography and Conservation
                  Conservation Status

                  IUCN Red List Category

                  Lower Risk/Conservation Dependent
                  Lower Risk/Conservation Dependent
                  Red List Category & Criteria: Lower Risk/conservation dependent ver 2.3 Year Published: 1996 Annotations: Needs updating Assessor/s: Wells, S.
                  Compiled from various sources listed in the reference.
                  Attributions Compiled from various sources listed in the reference.
                  Contributors 
                  Status UNDER_CREATION
                  Licenses CC_BY
                  References 
                    Threats
                    A major threat to this species is through over-exploitation by humans.
                    Compiled from various sources listed in the reference.
                    Attributions Compiled from various sources listed in the reference.
                    Contributors 
                    Status UNDER_CREATION
                    Licenses CC_BY
                    References 
                      Legislation

                      CITES Status

                      Appendix II
                      Listed in CITES: Yes. Appendix: II. Listed in Wildlife (Protection) Act: Yes. Schedule: 1 Appendix: Part IV(B) Mollusca
                      Compiled from various sources listed in the reference.
                      Attributions Compiled from various sources listed in the reference.
                      Contributors 
                      Status UNDER_CREATION
                      Licenses CC_BY
                      References 
                        No Data
                        📚 Uses and Management
                        Uses
                        In Asia, caught for huma consumption - the muscle of this clam is considered a delicacy. Shells used in pottery glaze and floor tiles.
                        Compiled from various sources listed in the reference.
                        Attributions Compiled from various sources listed in the reference.
                        Contributors 
                        Status UNDER_CREATION
                        Licenses CC_BY
                        References 
                          No Data
                          📚 Information Listing
                          The IUCN Red List of Threatened Species (IUCN)
                          Compiled from various sources listed in the reference.
                          Attributions Compiled from various sources listed in the reference.
                          Contributors 
                          Status UNDER_CREATION
                          Licenses CC_BY
                          References 
                            Encyclopedia of Life (EOL)
                            Compiled from various sources listed in the reference.
                            Attributions Compiled from various sources listed in the reference.
                            Contributors 
                            Status UNDER_CREATION
                            Licenses CC_BY
                            References 
                              Global Biodiversity Information Facility (GBIF)
                              Compiled from various sources listed in the reference.
                              Attributions Compiled from various sources listed in the reference.
                              Contributors 
                              Status UNDER_CREATION
                              Licenses CC_BY
                              References 
                                National Center for Biotechnology Information (NCBI)
                                Compiled from various sources listed in the reference.
                                Attributions Compiled from various sources listed in the reference.
                                Contributors 
                                Status UNDER_CREATION
                                Licenses CC_BY
                                References 
                                  References
                                  1. UNEP-WCMC. 27 January, 2013. UNEP-WCMC Species Database: CITES-Listed Species
                                  2. On the World Wide Web : http://www.unep-wcmc-apps.org/isdb/CITES/Taxonomy/tax-species-result.cfm/isdb/CITES/Taxonomy/tax-species-result.cfm?Genus=Tridacna&Species=maxima&source=animals.
                                  3. Maxima clam. (2011, September 21). In Wikipedia, The Free Encyclopedia. Retrieved 17:22, January 27, 2013, from http://en.wikipedia.org/w/index.php?title=Maxima_clam&oldid=451712180.
                                  4. ter Poorten, J.; Bouchet, P.; Rosenberg, G. (2012). Tridacna maxima (Röding, 1798). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=207675 on 2013-01-27.
                                  5. Wells, S. 1996. Tridacna maxima. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 27 January 2013.
                                  6. 'Protected Species of Mollusca'. Malacology Division, Zoological Survey of India, Kolkatta, West Bengal, India. URL: http://zsi.gov.in/publications/handout/mollusca.pdf.
                                  7. Wells, S. 1996. <i>Tridacna maxima</i>. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 27 January 2013.
                                  8. ter Poorten, J.; Bouchet, P.; Rosenberg, G. (2012). <i>Tridacna maxima</i> (Röding, 1798). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=207675 on 2013-01-27.
                                  9. UNEP-WCMC. 27 January, 2013. UNEP-WCMC Species Database: CITES-Listed Species
                                  10. ter Poorten, J.; Bouchet, P.; Rosenberg, G. (2012). <i>Tridacna maxima</i> (Röding, 1798). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=207675 on 2013-01-27.
                                  11. On the World Wide Web : http://www.unep-wcmc-apps.org/isdb/CITES/Taxonomy/tax-species-result.cfm/isdb/CITES/Taxonomy/tax-species-result.cfm?Genus=Tridacna&Species=maxima&source=animals.
                                  12. 'Protected Species of Mollusca'. Malacology Division, Zoological Survey of India, Kolkatta, West Bengal, India. URL: http://zsi.gov.in/publications/handout/mollusca.pdf.
                                  13. Wells, S. 1996. <i>Tridacna maxima</i>. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 27 January 2013.
                                  14. Maxima clam. (2011, September 21). In Wikipedia, The Free Encyclopedia. Retrieved 17:22, January 27, 2013, from http://en.wikipedia.org/w/index.php?title=Maxima_clam&oldid=451712180.
                                  15. UNEP-WCMC. 27 January, 2013. UNEP-WCMC Species Database: CITES-Listed Species
                                  16. ter Poorten, J.; Bouchet, P.; Rosenberg, G. (2012). <i>Tridacna maxima</i> (Röding, 1798). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=207675 on 2013-01-27.
                                  17. 'Protected Species of Mollusca'. Malacology Division, Zoological Survey of India, Kolkatta, West Bengal, India. URL: http://zsi.gov.in/publications/handout/mollusca.pdf.
                                  18. On the World Wide Web : http://www.unep-wcmc-apps.org/isdb/CITES/Taxonomy/tax-species-result.cfm/isdb/CITES/Taxonomy/tax-species-result.cfm?Genus=Tridacna&Species=maxima&source=animals.
                                  19. Maxima clam. (2011, September 21). In Wikipedia, The Free Encyclopedia. Retrieved 17:22, January 27, 2013, from http://en.wikipedia.org/w/index.php?title=Maxima_clam&oldid=451712180.
                                  20. Wells, S. 1996. <i>Tridacna maxima</i>. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 27 January 2013.
                                  21. UNEP-WCMC. 27 January, 2013. UNEP-WCMC Species Database: CITES-Listed Species
                                  22. Maxima clam. (2011, September 21). In Wikipedia, The Free Encyclopedia. Retrieved 17:22, January 27, 2013, from http://en.wikipedia.org/w/index.php?title=Maxima_clam&oldid=451712180.
                                  23. ter Poorten, J.; Bouchet, P.; Rosenberg, G. (2012). <i>Tridacna maxima</i> (Röding, 1798). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=207675 on 2013-01-27.
                                  24. 'Protected Species of Mollusca'. Malacology Division, Zoological Survey of India, Kolkatta, West Bengal, India. URL: http://zsi.gov.in/publications/handout/mollusca.pdf.
                                  25. On the World Wide Web : http://www.unep-wcmc-apps.org/isdb/CITES/Taxonomy/tax-species-result.cfm/isdb/CITES/Taxonomy/tax-species-result.cfm?Genus=Tridacna&Species=maxima&source=animals.
                                  26. Wells, S. 1996. <i>Tridacna maxima</i>. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 27 January 2013.
                                  Information Listing > References
                                  1. UNEP-WCMC. 27 January, 2013. UNEP-WCMC Species Database: CITES-Listed Species
                                  2. On the World Wide Web : http://www.unep-wcmc-apps.org/isdb/CITES/Taxonomy/tax-species-result.cfm/isdb/CITES/Taxonomy/tax-species-result.cfm?Genus=Tridacna&Species=maxima&source=animals.
                                  3. Maxima clam. (2011, September 21). In Wikipedia, The Free Encyclopedia. Retrieved 17:22, January 27, 2013, from http://en.wikipedia.org/w/index.php?title=Maxima_clam&oldid=451712180.
                                  4. ter Poorten, J.; Bouchet, P.; Rosenberg, G. (2012). Tridacna maxima (Röding, 1798). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=207675 on 2013-01-27.
                                  5. Wells, S. 1996. Tridacna maxima. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 27 January 2013.
                                  6. 'Protected Species of Mollusca'. Malacology Division, Zoological Survey of India, Kolkatta, West Bengal, India. URL: http://zsi.gov.in/publications/handout/mollusca.pdf.
                                  7. Wells, S. 1996. <i>Tridacna maxima</i>. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 27 January 2013.
                                  8. ter Poorten, J.; Bouchet, P.; Rosenberg, G. (2012). <i>Tridacna maxima</i> (Röding, 1798). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=207675 on 2013-01-27.
                                  9. UNEP-WCMC. 27 January, 2013. UNEP-WCMC Species Database: CITES-Listed Species
                                  10. ter Poorten, J.; Bouchet, P.; Rosenberg, G. (2012). <i>Tridacna maxima</i> (Röding, 1798). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=207675 on 2013-01-27.
                                  11. On the World Wide Web : http://www.unep-wcmc-apps.org/isdb/CITES/Taxonomy/tax-species-result.cfm/isdb/CITES/Taxonomy/tax-species-result.cfm?Genus=Tridacna&Species=maxima&source=animals.
                                  12. 'Protected Species of Mollusca'. Malacology Division, Zoological Survey of India, Kolkatta, West Bengal, India. URL: http://zsi.gov.in/publications/handout/mollusca.pdf.
                                  13. Wells, S. 1996. <i>Tridacna maxima</i>. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 27 January 2013.
                                  14. Maxima clam. (2011, September 21). In Wikipedia, The Free Encyclopedia. Retrieved 17:22, January 27, 2013, from http://en.wikipedia.org/w/index.php?title=Maxima_clam&oldid=451712180.
                                  15. UNEP-WCMC. 27 January, 2013. UNEP-WCMC Species Database: CITES-Listed Species
                                  16. ter Poorten, J.; Bouchet, P.; Rosenberg, G. (2012). <i>Tridacna maxima</i> (Röding, 1798). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=207675 on 2013-01-27.
                                  17. 'Protected Species of Mollusca'. Malacology Division, Zoological Survey of India, Kolkatta, West Bengal, India. URL: http://zsi.gov.in/publications/handout/mollusca.pdf.
                                  18. On the World Wide Web : http://www.unep-wcmc-apps.org/isdb/CITES/Taxonomy/tax-species-result.cfm/isdb/CITES/Taxonomy/tax-species-result.cfm?Genus=Tridacna&Species=maxima&source=animals.
                                  19. Maxima clam. (2011, September 21). In Wikipedia, The Free Encyclopedia. Retrieved 17:22, January 27, 2013, from http://en.wikipedia.org/w/index.php?title=Maxima_clam&oldid=451712180.
                                  20. Wells, S. 1996. <i>Tridacna maxima</i>. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 27 January 2013.
                                  21. UNEP-WCMC. 27 January, 2013. UNEP-WCMC Species Database: CITES-Listed Species
                                  22. Maxima clam. (2011, September 21). In Wikipedia, The Free Encyclopedia. Retrieved 17:22, January 27, 2013, from http://en.wikipedia.org/w/index.php?title=Maxima_clam&oldid=451712180.
                                  23. ter Poorten, J.; Bouchet, P.; Rosenberg, G. (2012). <i>Tridacna maxima</i> (Röding, 1798). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=207675 on 2013-01-27.
                                  24. 'Protected Species of Mollusca'. Malacology Division, Zoological Survey of India, Kolkatta, West Bengal, India. URL: http://zsi.gov.in/publications/handout/mollusca.pdf.
                                  25. On the World Wide Web : http://www.unep-wcmc-apps.org/isdb/CITES/Taxonomy/tax-species-result.cfm/isdb/CITES/Taxonomy/tax-species-result.cfm?Genus=Tridacna&Species=maxima&source=animals.
                                  26. Wells, S. 1996. <i>Tridacna maxima</i>. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 27 January 2013.

                                  On the molluscan fauna of Lakshadweep included in various schedules of Wildlife (Protection) Act of India

                                  Journal of Threatened Taxa
                                  No Data
                                  📚 Meta data
                                  No Data
                                  🐾 Taxonomy
                                  RootRoot
                                  KingdomAnimalia
                                  PhylumMollusca
                                  ClassBivalvia
                                  OrderVeneroida
                                  taxon:hierarchy.superfamilyCardioidea
                                  FamilyCardiidae
                                  GenusTridacna
                                  SpeciesTridacna maxima (Röding 1798)
                                  📊 Temporal Distribution
                                  📷 Related Observations
                                  👥 Groups
                                  India Biodiversity PortalIndia Biodiversity Portal
                                  The Western GhatsThe Western Ghats
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