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Two-way sex change in the endangered limpetPatella ferruginea(Mollusca, Gastropoda)
- Source :
- Digital.CSIC. Repositorio Institucional del CSIC, instname
- Publication Year :
- 2013
- Publisher :
- Informa UK Limited, 2013.
-
Abstract
- Direct observations of sex change were made on the endangered limpet Patella ferruginea in Chafarinas Islands (Alboran Sea) between 2006 and 2011. Individuals of the species were sexed and tagged during spawning season for subsequent monitoring to determine possible sex changes. Mortality was minimized by following a carefully designed sexing protocol. Out of 49 tagged specimens (41–88mm in size) that could be sexed in successive years (28 males and 21 females), 16 males changed into females between consecutive years (50.0% of males smaller than 70mm and 100% of males larger than this size), while two females changed sex to males between consecutive spawning seasons (both were smaller than 70 mm). Overall, 36.7% of the limpets monitored changed sex between consecutive years: 57.1% of males became females and 9.5% of females changed to males These observations confirms the occurrence of two-way sex change, or reverse sequential hermaphroditism, in P. ferruginea. Our findings unveil this sexual strategy in this endangered limpet and provide new direction for studies designed to address the mechanisms and factors that determine sex change and its effects on population dynamics.<br />This work was funded at its late stage by the project “Action plan for viability proposals of the endangered limpet, Patella ferruginea” (Project 0 of the Spanish Research Council –CSIC- Foundation) and in former stages by grants awarded by the Organismo Autónomo de Parques Nacionales and the Dirección General de Conservación de la Naturaleza of the Spanish Ministerio de Medio Ambiente.
- Subjects :
- Chafarinas Islands
biology
Sequential hermaphroditism
Ecology
Reproduction
Limpet
Endangered species
Zoology
Sexing
biology.organism_classification
Patella ferruginea
Alboran Sea
Sex change
Gastropoda
Animal Science and Zoology
sense organs
Hermaphroditism
skin and connective tissue diseases
Mollusca
Developmental Biology
Subjects
Details
- ISSN :
- 21570272 and 07924259
- Volume :
- 57
- Database :
- OpenAIRE
- Journal :
- Invertebrate Reproduction & Development
- Accession number :
- edsair.doi.dedup.....886d604a39e8997af7662ea74ac1ec33