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Yield per recruit of the Tambaqui, Colossoma macropomum Cuvier, in the Amazonas State, Brazil
Author(s) -
Petrere M.
Publication year - 1983
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.1095-8649.1983.tb04733.x
Subject(s) - tambaqui , biology , fishery , population , stock (firearms) , yield (engineering) , fish <actinopterygii> , ecology , demography , geography , materials science , archaeology , sociology , metallurgy
The tambaqui, Colossoma macropomum , is the most important fish landed at Manaus by the fishery in the Amazonas State, Brazil. Population parameters have been estimated for this stock, which are: L∞= 107·3 cm ( t.l. ), W∞=32 kg, AT=0·227 year ‐1 , M=0·45 year ‐1 . A yield per recruit analysis shows that the stock is underexploited for values of M bigger than 0·30 year ‐1 .