Initial sexual maturity and fecundity of the goldfish Carassius auratus (Perciformes: Cyprynidae) under semi-controlled conditions

Ortega Salas, Adolfo Armando; Reyes Bustamante, H.

dc.creator	Ortega Salas, Adolfo Armando
dc.creator	Reyes Bustamante, H.
dc.date	2006-08-11
dc.date.accessioned	2016-05-03T15:26:25Z
dc.date.available	2016-05-03T15:26:25Z
dc.identifier	http://revistas.ucr.ac.cr/index.php/rbt/article/view/3086
dc.identifier	10.15517/rbt.v54i4.3086
dc.identifier.uri	https://hdl.handle.net/10669/25883
dc.description	We studied the time of initial sexual maturity and the fecundity of the goldfish Carassius auratus under semi-controlled conditions. During the study the water temperature fluctuated from 21 to 30 C°, the pH between 7 and 8, and the dissolved oxygen between 5.5 and 7 ppm. Sixty days old juvenile fish received prophylactic treatments of brackish water (15 ‰) and methylene blue baths (1 %), and they were fed with live Daphnia magna. The initial sexual maturity occurred between 225 and 233 days of captivity. Mean absolute fecundity was 2 347 (±302.2 SD) ova per gonad, and mean relative fecundity was 63.44 eggs/g fish weight. Gonadosomatic index was between 7.5 and 9.0. Our data will allow ornamental fish producers to calculate the time of initial maturity and fecundity for this species.	en-US
dc.format	application/pdf
dc.language	eng
dc.publisher	Universidad de Costa Rica	en-US
dc.rights	Copyright (c) 2014 International Journal of Tropical Biology and Conservation	en-US
dc.source	Revista de Biología Tropical/International Journal of Tropical Biology and Conservation; Vol. 54 (4) December 2006	en-US
dc.source	Revista de Biología Tropical/International Journal of Tropical Biology and Conservation; Vol. 54 (4) December 2006	es-ES
dc.source	Revista Biología Tropical; Vol. 54 (4) December 2006	pt-PT
dc.source	2215-2075
dc.source	0034-7744
dc.source	10.15517/rbt.v54i4
dc.title	Initial sexual maturity and fecundity of the goldfish Carassius auratus (Perciformes: Cyprynidae) under semi-controlled conditions	en-US
dc.type	artículo original
dc.coverage	CRC	en-US

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