Reproductive Cycle and Size at First Maturity in Females of Brown Crab Callinectes Bellicosus (Stimpson 1859) in the Southwestern Gulf of California, Mexico

Q3 Environmental Science

Ribarstvo, Croatian Journal of Fisheries Pub Date : 2021-08-30 DOI:10.2478/cjf-2021-0014

Genaro Diarte-Plata, Ruth Escamilla-Montes, Salvador Granados-Alcantar, A. Luna-González

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引用次数: 0

Abstract

Abstract The reproductive cycle of the crustacean family Portunidae on the coast of the Pacific is not well known. Therefore, the reproductive cycle and the size at first maturity of brown crab Callinectes bellicosus and its relationship with environmental factors in the El Colorado Lagoon, Ahome, Sinaloa has been determined. A total of 360 females were collected from March 2012 to March 2013. The gonads were fixed in 10% formalin, histological cuts were made by the paraffin inclusion method and the hematoxylin and eosin staining technique. The diameter of oocytes was determined by stage. The size at first maturity was estimated by a logistic model. Females showed gametogenic activity during the entire study period. The maturity period was from March to November 2012, with two spawning peaks, in September 2012 and March 2013. Maturity was inversely influenced by temperature (r = -0.4454, P < 0.05) and no influence by salinity was observed (P > 0.05). The diameter of the oocytes showed significant differences between the development stages of the gonad (P = 0.001). The size at first maturity was 11.57 cm of carapace width for females of C. bellicosus.

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墨西哥加利福尼亚湾西南部Bellicosus褐蟹（Stimpson 1859）雌性初熟时的繁殖周期和大小

摘要太平洋沿岸甲壳类动物Portunidae的繁殖周期尚不清楚。因此，确定了锡那罗亚州阿霍姆El Colorado泻湖褐蟹的繁殖周期和初熟时的大小及其与环境因素的关系。从2012年3月到2013年3月，共采集了360只雌性。性腺在10%福尔马林中固定，石蜡包埋法和苏木精-伊红染色法进行组织学切割。卵母细胞的直径由阶段决定。首次成熟时的规模是通过逻辑模型估计的。雌性在整个研究期间表现出配子生成活性。成熟期为2012年3月至11月，产卵高峰期为2012年9月和2013年3月。成熟度与温度呈负相关（r=-0.4454，P＜0.05），与盐度无关（P＞0.05）。不同性腺发育阶段的卵母细胞直径差异显著（P＝0.001）。

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来源期刊

Ribarstvo, Croatian Journal of Fisheries Environmental Science-Ecology

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： The Croatian Journal of Fisheries was established in 1938 and today possesses a long-term tradition of publishing papers that deal with both freshwater and marine fisheries. Areas covered by the Journal include ichthyology, aquaculture, ecology and diseases of fish and other aquatic organisms, problems of open waters and other topics related to the fisheries field. Prior to publication, articles pass through rigorous review by senior scientists from around the world. The Journal features articles that reflect original research, interpretative content and subject matter of interest to the fisheries profession.