Poster Abstract
23. STUDY OF THE SEASON, TIME APPEARS THE EEL FINGERLINGS IN QUANG BINH PROVINCE
Nguyen Quang Linh, Tran Dinh Minh, Nguyen Duc Thanh, Ho Viet Lam, Nguyen Duy Quynh Tram, Ha Thi Hue
Grass eels immigrate from the sea through estuaries of Central Vietnam from May 9 to 11 in the North Central Province. In Quang Binh, eels immigrated mainly through the Nhat Le and Gianh estuaries. The results show that the grass eels immigrated mainly on the dark nights from 20th to the 30th of month, when salinities were around 15 – 18%. Eels were collected under dams or dykes that were located where bars can stop the immigration of eels. Different sizes of eels were collected, ranging from 0.11 g to 0.50g/head. Grass eels can immigrate in large groups and mainly at night (20:00 to 22:00 h) or the early morning (0300 to 0500 h), water temperatures were 22 to 25°C.
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