Crassostrea gigas ';
General information
 
Crassostrea gigas (Thunberg, 1793)
 
 
Common nameGiant cupped oyster, Giant Pacific oyster, Japanese Pacific oyster,Pacific
Synonyms
Crassostrea talienwhanensis Crosse, 1862
Ostrea complanata Fenaux, 1944
Ostrea angulata (Lamarck, 1819)
Ostrea cymbaeformis G.B. Sowerby II, 1871
Lopha posjetica newelskyi Vialov, 1946
Lopha posjetica zawoikoi Vialov, 1946
Lopha posjetica (Razin, 1934)
Lopha posjetica beringi Vialov, 1946
Ostrea posjetica Razin 1934
Ostrea laperousii Schrenck, 1862
Ostrea virginica lusitanica Osorio, 1916
Ostrea rostralis G.B. Sowerby II, 1871
Ostrea gravitesta Yokoyama, 1926
Ostrea gigas Thunberg, 1793
Ostrea talienwhanensis Crosse, 1862
Dioeciostrea hispaniola Orton, 1928
Gryphaea angulata Lamarck, 1819
IUCN Red List status (2014)
Not Reported
Habitat
-
Systematics
Eukaryota; Metazoa; Lophotrochozoa; Mollusca; Bivalvia; Pteriomorphia; Ostreoida; Ostreoidea; Ostreidae.
Geographical distribution
-
Occurrence -
Importance
Food
Remarks
Nil
Karyological information
Geographical area of study French Research Institute for Exploitation of the Sea -IFREMER hatchery in La Tremblade Charente-Maritime, France
Source of chromosomes
Embryos
Number of specimens with sex
Not reported
Diploid chromosome number
20
Karyotype formula
Not reported
Fundamental arm number
Not reported
Chromosome length
Not reported
Sex chromosome
Not detected
Chromosome staining/banding/FISH
Centromeric C-band was observed in pair five and telomeric C-bands were observed in pair 10; FISH with (GGAT)4, (GT)7 and (TA)10 probes revealed their distribution on chromosomes.
Reference(s)
Bouilly K, Chaves R, Leitao A, Benabdelmouna A, Guedes-Pinto H (2008). Chromosomal organization of simple sequence repeats in the Pacific oyster (Crassostrea gigas): (GGAT)4, (GT)7 and (TA)10 chromosome patterns. Journal of Genetics, 87(2): 119-125.