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Tridacna gigas Giant Clam

Tridacna gigasis commonly referred to as Giant Clam. Difficulty in the aquarium: Only for advanced aquarists. A aquarium size of at least 3000 Liter is recommended. Toxicity: Toxic hazard unknown.

Profilbild Urheber Bernard Dupont, Frankreich

Giant Clam (Tridacna gigas) , Fukui, Bunaken Island, Sulawesi, INDONESIA 2009


Courtesy of the author Bernard Dupont, Frankreich Copyright Bernard Dupont. Please visit www.flickr.com for more information.

Uploaded by Muelly.

Image detail

Profile

lexID:
791 
AphiaID:
207670 
Scientific:
Tridacna gigas 
German:
Schuppige Riesenmuschel 
English:
Giant Clam 
Category:
Sea Shells 
Family tree:
Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Cardiida (Order) > Cardiidae (Family) > Tridacna (Genus) > gigas (Species) 
Initial determination:
(Linnaeus, ), 1758 
Occurrence:
American Samoa, Australia, Brunei Darussalam, Cambodia, Caroline Island, China, Cook Islands, Eastern Indian Ocean, Fiji, Great Barrier Reef, Guam, Hawaii, India, Indian Ocean, Indo Pacific, Indonesia, Japan, Kenya, Kiribati, Madagascar, Malaysia, Marschall Islands, Mauritius, Micronesia, Myanmar, Nauru, New Caledonia, Northern Mariana Islands, Palau, Papua New Guinea, Philippines, Queensland (Australia), Raja Amat, Samoa, Singapore, Solomon Islands, Sulawesi, Taiwan, Tansania, Thailand, The Ryukyu Islands, Timor, Tokelau, Tonga, Vanuatu, Vietnam, Wallis and Futuna, Western Australia, Western Indian Ocean 
Sea depth:
0 - 30 Meter 
Size:
39.37" - 51.18" (100cm - 130cm) 
Temperature:
73.4 °F - 86 °F (23°C - 30°C) 
Food:
Zooxanthellae / Light 
Tank:
659.94 gal (~ 3000L)  
Difficulty:
Only for advanced aquarists 
Offspring:
Possible to breed 
Toxicity:
Toxic hazard unknown 
CITES:
Appendix II ((commercial trade possible after a safety assessment by the exporting country)) 
Red List:
Vulnerable (VU) 
Related species at
Catalog of Life:
 
More related species
in this lexicon:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2021-12-21 20:08:32 

Captive breeding / propagation

The offspring of Tridacna gigas are possible. Unfortunately, the number of offspring is not large enough to cover the demand of the trade. If you are interested in Tridacna gigas, please ask your dealer for offspring. If you already own Tridacna gigas, try breeding yourself. This will help to improve the availability of offspring in the trade and to conserve natural stocks.

Info

(Linnaeus, 1758)

Synonyms:
Chama gigantea Perry, 1811
Chama gigas Linnaeus, 1758
Dinodacna cookiana Iredale, 1937
Tridacna (Tridacna) gigas (Linnaeus, 1758)

Classification: Biota > Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Heterodonta (Subclass) > Euheterodonta (Infraclass) > Veneroida (Order) > Cardioidea (Superfamily) > Cardiidae (Family) > Tridacninae (Subfamily) > Tridacna (Genus)

Scientific paper

  1. Seawater temperature seasonality in the South China Sea during the late Holocene derived from high-resolution Sr/Ca ratios of Tridacna gigas, Yan, Hong; Sun, Liguang; Shao, Da; Wang, Yuhong , 2015
  2. Stress responses of zooxanthellae in juvenileTridacna gigas(Bivalvia, Cardiidae) exposed to reduced salinity, Maboloc, Elizaldy A.; Puzon, Juliana Janet M.; Villanueva, Ronald D. , 2015
  3. Effects of Reduced Salinity on the Heterotrophic Feeding of the Juvenile Giant Clam Tridacna gigas, Maboloc, Elizaldy A.; Mingoa-Licuanan, S. Suzanne; Villanueva, Ronald D. , 2014
  4. High resolution oxygen isotope and grayscale records of a medieval fossil giant clam (Tridacna gigas) in the South China Sea: physiological and paleoclimatic implications, Hong Yan,Yuhong Wang,Liguang Sun, 2014
  5. Giant bivalves (Tridacna gigas) as recorders of ENSO variability, Kevin Welsh; Mary Elliot; Alexander Tudhope; Bridget Ayling; John Chappell, 2011
  6. The Highest Southern Latitude Record of A Living Tridacna gigas, Strotz, Luke C.; Mamo, Briony L.; Topper, Timothy P.; Bagnato, Collette , 2010
  7. The raised coral reef complex of the Kenyan coast: Tridacna gigas U-series dates and geological implications, Giovanni Accordi; Mauro Brilli; Federico Carbone; Mario Voltaggio, 2010
  8. Growth and survival of hatchery-bred giant clams (Tridacna gigas) in an ocean nursery in Sagay Marine Reserve, Philippines, M. Junemie Hazel L. Lebata-Ramos; Koichi Okuzawa; Ronald J. Maliao; Jeff Bogart R. Abrogueña; Mark Darwin N. Dimzon; Ellen Flor C. Doyola-Solis; Terence U. Dacles, 2010
  9. Profiles of trace elements and stable isotopes derived from giant long-lived Tridacna gigas bivalves: Potential applications in paleoclimate studies, M. Elliot; K. Welsh; C. Chilcott; M. McCulloch; J. Chappell; B. Ayling, 2009
  10. Mechanical properties and structure of Strombus gigas, Tridacna gigas, and Haliotis rufescens sea shells: A comparative study, Albert Yu Min Lin; Marc André Meyers; Kenneth S. Vecchio, 2006
  11. A novel carbonic anhydrase from the giant clam Tridacna gigas contains two carbonic anhydrase domains, William Leggat; Ross Dixon; Said Saleh; David Yellowlees, 2005
  12. Effects of copper and decreased salinity on survival rate and development of Tridacna gigas larvae, E. Blidberg, 2004
  13. A 60-year isotopic record from a mid-Holocene fossil giant clam (Tridacna gigas) in the Ryukyu Islands: physiological and paleoclimatic implications, Tsuyoshi Watanabe; Atsushi Suzuki; Hodaka Kawahata; Hironobu Kan; Shinji Ogawa, 2004
  14. A comparison between sites of growth, physiological performance and stress responses in transplanted Tridacna gigas, Tina Elfwing; Eva Blidberg; Marilou Sison; Michael Tedengren, 2003
  15. Effect of increased irradiance and thermal stress on the symbiosis of Symbiodinium microadriaticum and Tridacna gigas, Bela Hieronymus Buck; Harald Rosenthal; Ulrich Saint-Paul, 2002
  16. Meeting the photosynthetic demand for inorganic carbon in an alga-invertebrate association: preferential use of CO2 by symbionts in the giant clam Tridacna gigas, Leggat, W.; Rees, T. A. V.; Yellowlees, D. , 2000
  17. Meeting the Photosynthetic Demand for Inorganic Carbon in an Alga-Invertebrate Association: Preferential Use of CO2by Symbionts in the Giant Clam Tridacna gigas, W. Leggat, T. A. V. Rees and D. Yellowlees, 2000
  18. Ammonium, but not nitrate, stimulates an increase in glutamine concentration in the haemolymph of Tridacna gigas, D. Shepherd; W. Leggat; T. A. V. Rees; D. Yellowlees, 1999
  19. Village-based farming of the giant clam, Tridacna gigas (L.), for the aquarium market: initial trials in Solomon Islands, J D Bell; I Lane; M Gervis; S Soule; H Tafea, 1997
  20. Impacts of ectoparasitic gastropods on growth, survival, and physiology of juvenile giant clams (Tridacna gigas), including a simulation model of mortality and reduced growth rate, E.G. Boglio; J.S. Lucas, 1997
  21. Limitations in the genetic variation of hatchery produced batches of the giant clam, Tridacna gigas, J.A.H. Benzie; S.T. Williams, 1996
  22. Gene flow among giant clam (Tridacna gigas) populations in Pacific does not parallel ocean circulation, J. A. H. Benzie; S. T. Williams, 1995
  23. Atrophy of the Zooxanthellal Tubular System in Bleached Giant Clams Tridacna gigas, J.H. Norton; H.C. Prior; B. Baillie; D. Yellowlees, 1995
  24. Nutrition of the giant clam Tridacna gigas (L.). II. Relative contributions of filter-feeding and the ammonium-nitrogen acquired and recycled by symbiotic alga towards total nitrogen requirements for tissue growth and metabolism, A.J.S. Hawkins; D.W. Klumpp, 1995
  25. Intracellular Bacteria Associated with Winter Mortality in Juvenile Giant Clams, Tridacna gigas, J.H. Norton; M.A. Shepherd; H.C. Prior, 1993
  26. Oxygen consumption and ammonia excretion in juvenile Tridacna gigas (Linne, 1758): effects of emersion, S.S. Mingoa-licuanan, 1993
  27. Economics of ocean culture of giant clams, Tridacna gigas: internal rate of return analysis, C.A. Tisdell; L. Tacconi; J.R. Barker; J.S. Lucas, 1993
  28. Improved method for shipping Tridacna gigas seed, R.D. Braley, 1992
  29. No genetic differentiation of giant clam (Tridacna gigas) populations in the Great Barrier Reef, Australia, J. A. H. Benzie; S. T. Williams, 1992
  30. Nutrition of the giant clam Tridacna gigas (L.) I. Contribution of filter feeding and photosynthates to respiration and growth, D.W. Klumpp; B.L. Bayne; A.J.S. Hawkins, 1992
  31. Passive greenhouse heating, recirculation, and nutrient addition for nursery phase Tridacna gigas: growth boost during winter months, Richard D. Braley; David Sutton; S. Suzanne M. Mingoa; Paul C. Southgate, 1992
  32. Growth, mortality and recruitment rates of giant clams, Tridacna gigas and T. derasa , at Michaelmas Reef, central Great Barrier Reef, Australia, Pearson, RG; Munro, JL , 1991
  33. Environmental influences on growth and survival during the ocean-nursery rearing of giant clams, Tridacna gigas (L.), J.S. Lucas; W.J. Nash; C.M. Crawford; R.D. Braley, 1989
  34. Growth and survival during the ocean-nursery rearing of giant clams, Tridacna gigas: 1. Assessment of four culture methods, C.M. Crawford; J.S. Lucas; W.J. Nash, 1988
  35. Spawning induction, and larval and juvenile rearing of the giant clam, Tridacna gigas, C.M. Crawford; W.J. Nash; J.S. Lucas, 1986
  36. Photosynthesis and Respiration in Tridacna gigas as a Function of Irradiance and Size, Charles R. Fisher, William K. Fitt and Robert K. Trench, 1985
  37. Cultivation, spawning, and growth of the giant clams Tridacna gigas, T. derasa, and T. squamosa in Palau, Caroline Islands, N. Beckvar, 1981
  38. Different anti-galactans in the haemolymph of Tridacna maxima and Tridacna gigas, Uhlenbruck, Gerhard; Steinhausen, Gisela; Baldo, Brian A. , 1977

External links

  1. IUCN Red List of Threatened Species (multi). Abgerufen am 07.08.2020.
  2. Reefvid (en). Abgerufen am 07.08.2020.
  3. Riesenmuscheln - Pflege und Haltungsfilm (de). Abgerufen am 09.04.2024.
  4. Video Tridacna laicht 8 MB (de). Abgerufen am 07.08.2020.

Pictures

Spawn

Tridacna gigas, Giant clams spawning. An extremely rare observation.2021
Tridacna gigas, Giant clams spawning. An extremely rare observation.2021
Tridacna gigas, Giant clams spawning. An extremely rare observation.2021

Commonly

Giant Clam (Tridacna gigas) , Fukui, Bunaken Island, Sulawesi, INDONESIA 2009
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Copyright Dr. Paddy Ryan
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Copyright Dr. Paddy Ryan
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Copyright Dr. Paddy Ryan
1
Copyright Dr. Paddy Ryan
1
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Tridacna gigas - Schuppige Riesenmuschel
1

Husbandry know-how of owners

Bruce
@Bruce

am 13.08.08#2
Ich halte dieses wunderschöne Tier seit Mitte 2006. Sie ist innerhalb dieser Zeit von ca. 8cm Schalenlänge auf gute 32cm herangewachsen und es scheint als wäre sie noch lange nicht fertig.

Anfangs hielt ich sie unter HQI und mit Ballingmethode, da ich aber ernsthafte Schwierigkeiten bekam die Elemente ausreichend nachzudosieren betreibe ich seit Dez. 07 einen Kalkreaktor. Außerdem habe ich auf T5 umgestellt.

Dieses Tier hat einen unwarscheinlich gigantisch (daher muß der Name Gigas kommen)großen Verbrauch an CA KH & MG. Dies sollte auf jeden Fall beim Kauf bedacht werden, denn auch wenn sie zunächst klein sind, sie wachsen doch in einem Tempo, dass es schwer ist die Elemente ausreichend zur Verfügung zu stellen. Man kann fast zusehen!

Aus diesem Grund finde ich ist dieses Tier nicht einfach in der Haltung und sollte nur von Spezialisten gehalten werden.

Sie steht bei mir direkt auf dem DSB, da sie keine Befestigungsfäden ausbildet. Allerdings hat sie einen kleinen fingerartigen Auswuchs als Fuß, mit dem sie sich drehen und leicht wandern kann. Dieser darf auf keinen Fall beschädigt werden, dies würde den Tod des Tieres bedeuten. Das Wasser sollte außerdem Nährstoffarm sein, sonst verblassen die Farben der Augen schnell und werden unansehnlich braun.

Außer einem Wasserwechsel von ca. 15% im Monat betreibe ich Zeolithfilterung mit der Zugabe von Zeobak, Zeofood & Kalium. Zusätzlich gebe ich keine anderen Elemente zu. Im Kalkreaktor habe ich groben Korallenbruch mit ca. 10% Untermischung von Magnesiumgranulat.
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