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Cetorhinus maximus 象鯊

Scientific Name:    Cetorhinus maximus         
Nomenclater:    (Gunnerus, 1765)
Family:    F021  Cetorhinidae
Holotype-Locality:    Trondhjem, Norway
Habitats:    Ocean、Deep Sea、Coastal      
Economic Fish:     Yes
Habitats Depth:    0 - 570 M      
Aquarium Fish:     No
Poisonous Fish:    No      
Edible Fish:     Yes
Synonyms:    Cetorhinus blainvillei, Cetorhinus maccoyi, Cetorhinus maximus infanuncula, Cetorhinus maximus normani, Cetorhinus normani, Cetorhinus rostratus, Halsydrus maccoyi, Halsydrus maximus, Halsydrus pontoppidiani, Hannovera aurata, Polyprosopus macer, Scoliophis atlanticus, Selache elephas, Selache maxima, Selache maximum, Selache maximus, Selachus pennantii, Squalis gunneri, Squalis shavianus, Squalus cetaceus, Squalus elephas, Squalus gunnerianus, Squalus homianus, Squalus isodus, Squalus maximus, Squalus pelegrinus, Squalus peregrinus, Squalus rashleighanus, Squalus rhinoceros, Squalus rostratus, Tetraoras angiova, Tetroras angiova, Tetroras maccoyi  
Reference:    Garman (1913); Fang and Wang (1932); Norman (1937); Matthews (1950, 1956); Shiino (1972, 1976); Compagno (2001); Najaya (1984); Bonfil (1994); Last and Stevens (1994) 
Redlist Status:    IUCN Redlist: Endangered(EN)  
Common Name in Engulish:    Shark; Sun-fish; Basking shark; Bone shark; Hoe-mother; Elephant shark; Basking shark; Basking shark
Chinese Name transliteration:    siang jiao, lao sha, siang sha
Distribution in Taiwan:    North、North East
Distribution in World:    global
Max Lenth:     900 cm
Specimen List:    
Characteristic:    Size great, head much shorter than trunk, snout pointed and conical. Length of eyes 0.8-1.3% of precaudal length. Gill opening extremely large, width of 1st 17.7-29.2% of precaudal length, extending onto the dorsal and ventral surfaces of head. Trunk fusiform and moderately stout. Caudal peduncle depressed and with strong lateral keels and upper and lower crescentic precaudal pits. Pectoral fins long and moderately broad, much shorter than head. Pelvic fins smaller than the 1st dorsal fin but large than the 2nd. First dorsal fin large, high, erect and angular. Second dorsal and anal fins moderately large but less than half size of the 1st, with broad, non-pivotable bases. Caudal fin lunate, dorsal lobe moderately long but less than 1/3 length of rest of shark, ventral lobe nearly as long as dorsal lobe. Total vertebral count 109-116, precaudal count 50-54.
Habitats:    Basking shark is a highly migratory species. Pronounced spatial and seasonal populational segregation may be a characteristic of this species. Maximum size estimated to be 12.2-15.2 m. Size at birth is uncertain with few pregnant females examined. Males a
Distribution:    Western North Atlantic, western South Atlantic, eastern North Atlantic, Arctic Ocean, Mediterranean Sea, western North Pacific, eastern North Pacific, and eastern South Pacific.
Utility:    The basking shark has been the object of small-scale targeted harpoon fisheries from small boats during the 18-20 centuries. This species usually caught with net gears, including bottom anchored gill nets, floating gill nets, pelagic gill nets, bottom tra

Text and images are provided by The Fish Datebase of Taiwan (Biodiversity Research Center, Academia Sinica, Taiwan)