Age and growth of Katsuwonus pelamis (Linnaeus) and Thunnus albacares (Bonnaterre) from Minicoy waters

Mohan, Madan and Kunhikoya, K K (1985) Age and growth of Katsuwonus pelamis (Linnaeus) and Thunnus albacares (Bonnaterre) from Minicoy waters. CMFRI Bulletin, 36. pp. 143-148.

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Abstract

The earliest estimate of growth of skipjack tuna in the Pacific Ocean was that of Aikawa (1937) who examined 20 specimens from the islands off the southern part of Izu Peninsula in the western Pacific and later Aikawa and Kato (1938) examined 20 specimens from the Palau Island area. Kawasaki (1955) estimated the growth of skipjack from the south western sea off Japan, based on the progression of modal groups. In a later publication Kawasaki (1963) gave additional estimates of growth rates based on the data from the area off north eastern Japan. Yokota et al. (1961) estimated the growth rates based on modal progression of skipjack from the Sulu Sea. Brock (1954) studied the growth of skipjack in the area of the Hawaiian islands by examining the progression of modes computed from length frequency studies. Rothschild (1967) estimated the parameters of growth for this species on the basis of 35 recoveries of fish tagged in Hawaiian waters -in 1958 which were at liberty upto 420 days. In the eastern Pacific, Schaefer et al. (1961) examined the growth of skipjack tagged during 1955-1959.

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