THE RINGED SEAL AND OTHER PINNIPEDS WANDERING OFF THE COAST OF CHINA
Related Articles |
The ringed seal, Phoca hispida ochotensis, an adult female of 43 kg in weight, and 1.105m in length, was caught on the beach of Ganyu County (34°50′ latitude, 119°10′E longitude), Jiangsu Province on June 6, 1982. The specimen has been well preserved by the Department of Biology, Nanjing Normal University.So far as known,it is the first capture of this species along the Chinese coasts, In addition to the ringed seal,other three species: Steller sea lion, northern fur seal and bearded seal-Eumetopias jubata, Callorhinus ursinus and Erignathus barbatus,were. also found along the Chinese coasts.And a few individuals of the larga seal,Phcoca largha,fiom the Pohai Sea population were caught on the beach of Jiangsu and the mouth of the Yangtze River.The steller sea lion caught on the beach of Lusi (about 32°N latitude), Qidong County, Jiangsu Province in April,1966 was a male of 583kg in weight and 2.85m in length.It set the record of this species being captured at the southermost in the western North Pacific. The only record of the northern fur seal caught along the Chinese coasts has been a female,43kg,1.22m, caught on the beach of Jimo County (about 36°N ]atitvde),Sh.andorg Province in September, 1971.Two bearded seals were caught respectively off Nin-gbo City (about 30°N latitude)and Pingyang County (about 27°N latitude) of Zhejiang Province.The Pingyang specimen collected in July, 1971, a male of 71 kg in weight and 1.76m in length is the bearded seal caught at the southermost along the coasts of Asian seas.The larga seals of the Pohai Sea population is a far south breeding group in the world.After the breeding in January-February, they start to disperse along the coast of Pohai Sea,March-May.During this period a few individuals were found on or off the shore of Jiangsu and Fujian Provinces. On March 5,1985, an adult male of 42kg in weight and 1.3m in length was found on the beach of Ganyu County,Jiangsu Province.The capture of a young male was recorded at Liuduo,Binhai County (about 34°N latitude), Jiangsu Province in April, 1966. Another young female was caught at the mouth of the Yangtze River in May 1955.The known record of the southermost capture was off the coast of Pingtan County(about 25°N latitude),Fujian Province.Besides, a male larga seal ascending the Tumenjiang River was caught, in April 1965,30 km away from the Japan Sea.