Reproductive cycle of Hexaplex princeps (Broderip, 1833) from one artisanal fishery at the southern coast of Mexico

ABSTRACT The reproductive cycle of the gastropod Hexaplex princeps (Broderip, 1833) from Puerto Ángel was studied through gonadal histology during two annual periods. The sex proportion for the total collected individuals was not statistically different from parity although most of the time the numb...

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Autores principales:	Saito-Quezada,Verónica Mitsui, Uría-Galicia,Esther, Gómez-Márquez,José Luis, Villaseñor-Martínez,Ana Bertha, Jiménez-Badillo,Ma. De Lourdes, Salgado-Ugarte,Isaías Hazarmabeth
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2018
Materias:	Hexaplex princeps reproductive cycle sexual proportion histological analysis maturity scales
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000100091
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spelling	oai:scielo:S0718-560X20180001000912018-04-17Reproductive cycle of Hexaplex princeps (Broderip, 1833) from one artisanal fishery at the southern coast of MexicoSaito-Quezada,Verónica MitsuiUría-Galicia,EstherGómez-Márquez,José LuisVillaseñor-Martínez,Ana BerthaJiménez-Badillo,Ma. De LourdesSalgado-Ugarte,Isaías Hazarmabeth Hexaplex princeps reproductive cycle sexual proportion histological analysis maturity scales ABSTRACT The reproductive cycle of the gastropod Hexaplex princeps (Broderip, 1833) from Puerto Ángel was studied through gonadal histology during two annual periods. The sex proportion for the total collected individuals was not statistically different from parity although most of the time the number of males was slightly larger than that of females, which only outnumbered males during the spawning season. The histological analysis of gonad sections permitted to establish six maturity stages for females: 1 Initial oogenesis, 2 Previtellogenic maturity, 3 Vitellogenic maturity, 4 Maturity, 5 Spawning, 6 Resting, and five for males: 1 Initial spermatogenesis, 2 Maturity, 3 Spawning, 4 Onset of the rest, 5 Resting). Monthly variations in the gonad maturation stages showed that H. princeps has an annual reproductive cycle with a long period of gonadal activity. The spawning season comprised from November to March (females) and from December to March (males) with peaks of activity for both sexes in January. Resting periods of females comprised from March to October and for males May and June. Thus the reproductive events were related to high Chlorophyll concentrations which in turn are due to the upwelling processes resulting from the winds during winter months (November to March). This study provides baseline information that may serve to establish measures for adequate exploitation and for aquaculture implementation of this species in the future.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.46 n.1 20182018-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000100091en10.3856/vol46-issue1-fulltext-11
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Hexaplex princeps reproductive cycle sexual proportion histological analysis maturity scales
spellingShingle	Hexaplex princeps reproductive cycle sexual proportion histological analysis maturity scales Saito-Quezada,Verónica Mitsui Uría-Galicia,Esther Gómez-Márquez,José Luis Villaseñor-Martínez,Ana Bertha Jiménez-Badillo,Ma. De Lourdes Salgado-Ugarte,Isaías Hazarmabeth Reproductive cycle of Hexaplex princeps (Broderip, 1833) from one artisanal fishery at the southern coast of Mexico
description	ABSTRACT The reproductive cycle of the gastropod Hexaplex princeps (Broderip, 1833) from Puerto Ángel was studied through gonadal histology during two annual periods. The sex proportion for the total collected individuals was not statistically different from parity although most of the time the number of males was slightly larger than that of females, which only outnumbered males during the spawning season. The histological analysis of gonad sections permitted to establish six maturity stages for females: 1 Initial oogenesis, 2 Previtellogenic maturity, 3 Vitellogenic maturity, 4 Maturity, 5 Spawning, 6 Resting, and five for males: 1 Initial spermatogenesis, 2 Maturity, 3 Spawning, 4 Onset of the rest, 5 Resting). Monthly variations in the gonad maturation stages showed that H. princeps has an annual reproductive cycle with a long period of gonadal activity. The spawning season comprised from November to March (females) and from December to March (males) with peaks of activity for both sexes in January. Resting periods of females comprised from March to October and for males May and June. Thus the reproductive events were related to high Chlorophyll concentrations which in turn are due to the upwelling processes resulting from the winds during winter months (November to March). This study provides baseline information that may serve to establish measures for adequate exploitation and for aquaculture implementation of this species in the future.
author	Saito-Quezada,Verónica Mitsui Uría-Galicia,Esther Gómez-Márquez,José Luis Villaseñor-Martínez,Ana Bertha Jiménez-Badillo,Ma. De Lourdes Salgado-Ugarte,Isaías Hazarmabeth
author_facet	Saito-Quezada,Verónica Mitsui Uría-Galicia,Esther Gómez-Márquez,José Luis Villaseñor-Martínez,Ana Bertha Jiménez-Badillo,Ma. De Lourdes Salgado-Ugarte,Isaías Hazarmabeth
author_sort	Saito-Quezada,Verónica Mitsui
title	Reproductive cycle of Hexaplex princeps (Broderip, 1833) from one artisanal fishery at the southern coast of Mexico
title_short	Reproductive cycle of Hexaplex princeps (Broderip, 1833) from one artisanal fishery at the southern coast of Mexico
title_full	Reproductive cycle of Hexaplex princeps (Broderip, 1833) from one artisanal fishery at the southern coast of Mexico
title_fullStr	Reproductive cycle of Hexaplex princeps (Broderip, 1833) from one artisanal fishery at the southern coast of Mexico
title_full_unstemmed	Reproductive cycle of Hexaplex princeps (Broderip, 1833) from one artisanal fishery at the southern coast of Mexico
title_sort	reproductive cycle of hexaplex princeps (broderip, 1833) from one artisanal fishery at the southern coast of mexico
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000100091
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Reproductive cycle of Hexaplex princeps (Broderip, 1833) from one artisanal fishery at the southern coast of Mexico

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