Some aspects of the age and growth of the anchoveta, Cetengraulis mysticetus, in the Gulf of Panama

Bayliff, William H. (1964) Some aspects of the age and growth of the anchoveta, Cetengraulis mysticetus, in the Gulf of Panama. Inter-American Tropical Tuna Commission Bulletin, 9(1), pp. 1-51.

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Abstract

ENGLISH: Length-frequency samples of anchovetas were collected from January 1956 to March 1963. The findings for the most part corroborate those of previous studies in regard to the general pattern of age and growth. Recent tag returns demonstrate that some of the fish survive at least to the beginning of their fourth year of life. In 1961 and 1962 the fish were considerably larger than in any previous year for which data are available. The annual variation in the size of the young of the year is apparently related to the amount of upwelling and the density of the population during the early months of the year. SPANISH: De enero de 1956 a marzo de 1963 se recolectaron muestras de las frecuencias de longitud de las anchovetas. Las investigaciones, en su mayor parte, corraboran los resultados de los estudios anteriores referentes a los patrones generales de la edad y el crecimiento. Recobros recientes de mareas demuestran que algunos de los peces sobreviven por lo menos hasta el comienzo de su cuarto año de vida. En 1961 y 1962 los peces fueron considerablemente más grandes que en cualquiera de los años anteriores de los que se tienen datos disponibles. La variación anual en el tamaño de los peces jóvenes del año está aparentemente relacionada con el volumen del afloramiento y la densidad de la población durante los primeros meses del año. (PDF contains 51 pages)

Item Type: Article
Title: Some aspects of the age and growth of the anchoveta, Cetengraulis mysticetus, in the Gulf of Panama
Personal Creator/Author:
CreatorsEmail
Bayliff, William H.
Journal or Publication Title: Inter-American Tropical Tuna Commission Bulletin
Volume: 9
Number: 1
Page Range: pp. 1-51
Date: 1964
Issuing Agency: Inter-American Tropical Tuna Commission
Additional Information: This article is bilingual and contains both Spanish and English translations.
Uncontrolled Keywords: age and growth; anchoveta; Cetengraulis mysticetus; Gulf of Panama; edad y del crecimiento; anchoveta; Golfo de Panamá
Subjects: Fisheries
Item ID: 3007
Depositing User: Joan Parker
Date Deposited: 16 Mar 2010 08:41
Last Modified: 29 Sep 2011 18:02
URI: http://aquaticcommons.org/id/eprint/3007

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