Reproductive biology of the swimming crab Achelous spinimanus (Decapoda, Portunoidea): a potential fishing resource

IF 0.5 4区生物学 Q4 ZOOLOGY

Iheringia Serie Zoologia Pub Date : 2020-01-01 DOI:10.1590/1678-4766e2020010

A. N. Sousa, V. P. Bernardes, C. H. Bernardo, F. G. Taddei, G. M. Teixeira, R. C. Costa, A. Fransozo

{"title":"Reproductive biology of the swimming crab Achelous spinimanus (Decapoda, Portunoidea): a potential fishing resource","authors":"A. N. Sousa, V. P. Bernardes, C. H. Bernardo, F. G. Taddei, G. M. Teixeira, R. C. Costa, A. Fransozo","doi":"10.1590/1678-4766e2020010","DOIUrl":null,"url":null,"abstract":"ABSTRACT This study describes the reproductive and recruitment patterns of the swimming crab Achelous spinimanus (Latreille, 1819) in the Ubatuba region of the northern coast of São Paulo, Brazil. Crabs were captured monthly from January 1998 to December 1999 in 18 sites located in three bays (Ubatumirim, Ubatuba, and Mar Virado), using a commercial fishing boat. In each sampling area, bottom temperature, salinity, and organic matter content were recorded. A total of 1,911 individuals were captured: 350 adult males, 475 non-ovigerous adult females, 584 adult ovigerous females, and 502 immature individuals. Reproductive females were more abundant in deeper areas; this migration might be a strategy to improve larval dispersion and survival. Ovigerous females were found year-round, indicating a continuous reproduction, and their abundance was positively correlated with temperature. During the 2-year survey, crabs with all gonadal development stages were found. We can infer that this region provides suitable resources for the development of A. spinimanus.","PeriodicalId":56300,"journal":{"name":"Iheringia Serie Zoologia","volume":"48 1","pages":""},"PeriodicalIF":0.5000,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Iheringia Serie Zoologia","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1590/1678-4766e2020010","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ZOOLOGY","Score":null,"Total":0}

引用次数: 3

Abstract

ABSTRACT This study describes the reproductive and recruitment patterns of the swimming crab Achelous spinimanus (Latreille, 1819) in the Ubatuba region of the northern coast of São Paulo, Brazil. Crabs were captured monthly from January 1998 to December 1999 in 18 sites located in three bays (Ubatumirim, Ubatuba, and Mar Virado), using a commercial fishing boat. In each sampling area, bottom temperature, salinity, and organic matter content were recorded. A total of 1,911 individuals were captured: 350 adult males, 475 non-ovigerous adult females, 584 adult ovigerous females, and 502 immature individuals. Reproductive females were more abundant in deeper areas; this migration might be a strategy to improve larval dispersion and survival. Ovigerous females were found year-round, indicating a continuous reproduction, and their abundance was positively correlated with temperature. During the 2-year survey, crabs with all gonadal development stages were found. We can infer that this region provides suitable resources for the development of A. spinimanus.

查看原文本刊更多论文

游泳蟹(十足目，葡萄牙总科)的生殖生物学:一种潜在的捕捞资源

摘要本研究描述了巴西圣保罗北部海岸Ubatuba地区梭子蟹Achelous spinimanus (Latreille, 1819)的繁殖和招募模式。从1998年1月至1999年12月，我们使用商业渔船在3个海湾(Ubatumirim、Ubatuba和Mar Virado)的18个地点每月捕获螃蟹。在每个采样区，记录了底部温度、盐度和有机质含量。共捕获1,911只，其中雄成虫350只，雌成虫475只，雌成虫584只，幼虫502只。生殖雌性在较深的区域更丰富;这种迁徙可能是一种改善幼虫分散和生存的策略。全年均可发现雌卵，表明有连续繁殖，丰度与温度呈正相关。在为期2年的调查中，发现了所有性腺发育阶段的螃蟹。由此可以推断，该地区为棘足棘的发育提供了适宜的资源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Iheringia Serie Zoologia 生物-动物学

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： The journal Iheringia, Série Zoologia, edited by the “Museu de Ciências Naturais” of the “Fundação Zoobotânica do Rio Grande do Sul”, publishes original research findings in zoology with emphasis on taxonomy, systematics, morphology, natural history, and community or population ecology of species from current Neotropical fauna. Scientific notes will not be accepted for publication. Species lists without a taxonomic approach, or that are not the result of studies on the ecology or natural history of communities will not normally be accepted. The same applies to identification keys of groups of taxa defined by political boundaries. Authors wishing to inquire about the scope of the journal or the suitability of a particular topic are encouraged to contact the Editorial Board prior to submission. Furthermore, articles with a main focus on agronomy, veterinary, zootechny or other areas involving applied zoology will not be accepted. Its abbreviated title is Iheringia, Sér. Zool., which should be used in bibliographies, footnotes and bibliographical references and strips.