On The Biology of Saurida Tumbil (Bloch 1801)* Family Synodontidae in Philippine Waters

K. Tiews
Institute fur Kusten-und Binnenfischerei der Bundesforschungsanstalt fur Fischerei, Hamburg, Germany

A. Mines and I.A. Ronquillo
Philippine Fisheries Commission Manila, Philippines


This paper presents information on the biology of Saurida tumbil, which includes distribution, age and rate of growth, maturity, food, sex ratios and spawning. The study showed that the decline in catch per unit of effort for 1956 to 1957 in the trawl fisher y was the result of natural causes.

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