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The present investigation a baled on the collection of the eggs and larvae in the past several years during March, 1964 to February 1965, January to October 1973, January 1975 to May 1976, and January 1978 to February 1979 respectively from the South China Sea. The plank-tonic larvae of Katsuwonus pelamis albacores and Auxis (hazard were examined for the occurrence and distribution in those waters. According to the occurrence of these larvae, one will be able to conjecture their activity area and spawning season of the adult species in the South China Sea. The main spawning season of the three species is from April to August in those years.
The present investigation a baled on the collection of the eggs and larvae in the past several years during March, 1964 to February 1965, January to October 1973, January 1975 to May 1976, and January 1978 to February 1979 respectively from the South China Sea. The plank-tonic larvae of Katsuwonus pelamis albacores and Auxis (hazard were examined for the occurrence and distribution in those waters. According to the occurrence of these larvae, one will be able to conjecture their activity area and spawning season of the adult species in the South China Sea. The main spawning season of the three species is from April to August in those years.