Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/117455
COMPARTIR / EXPORTAR:
logo share SHARE logo core CORE BASE
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE

Invitar a revisión por pares abierta
Título

Reproductive biology of the seastar Ceramaster grenadensis from the deep north-western Mediterranean Sea

AutorMechó, Ariadna CSIC ORCID; Fernandez-Arcaya, Ulla; Ramírez-Llodra, Eva CSIC ORCID; Aguzzi, Jacopo CSIC ORCID ; Company, Joan B. CSIC ORCID
Palabras claveDeep Sea
Reproductive biology
Oogenesis
Mediterranean Sea
Ceramaster grenadensis
Fecha de publicaciónjun-2015
EditorMarine Biological Association of the United Kingdom
CitaciónJournal of the Marine Biological Association of the UK 95(4): 805-815 (2015)
ResumenCeramaster grenadensis is one of the most abundant bathyal seastars in the north-western Mediterranean Sea and also presents a wide geographic distribution in the Atlantic Ocean. As with other species in this genus, little information is available on the biology and reproductive strategy of C. grenadensis. In this context, we describe for the first time the reproductive cycle of this species from bathyal depths in the north-western Mediterranean Sea. Specimens (NA = 141) were collected seasonally from 194 benthic trawls (141 Otter Trawls and 53 Agassiz trawls) conducted during 10 cruises from October 2008 to April 2013. Open slope and canyon systems were sampled at depths between 900 and 2250 m. The population distribution of C. grenadensis showed a depth-related structure, with the smaller adult specimens and juveniles present at greater depths. Sex ratio was 2:1 females per male, constant among seasons and depths. Histological analyses of the gonads showed an asynchronous ovarian organization, with previtellogenic and vitellogenic oocytes throughout the year. These oogenesis patterns suggest a continuous reproduction. However, the Pyloric Caeca Index (PCI) decreased in summer while the Gonad Index (GI) increased in autumn in males, suggesting a higher spawning capacity in autumn. In both sexes, an increasing GI and PCI trend was observed with increasing depth. © Marine Biological Association of the United Kingdom 2015
Descripción11 pages, 8 figures, 5 tables
Versión del editorhttp://dx.doi.org/10.1017/S0025315415000065
URIhttp://hdl.handle.net/10261/117455
DOI10.1017/S0025315415000065
Identificadoresdoi: 10.1017/S0025315415000065
issn: 0025-3154
e-issn: 1469-7769
Aparece en las colecciones: (ICM) Artículos

Mostrar el registro completo

CORE Recommender

SCOPUSTM   
Citations

4
checked on 08-mar-2024

WEB OF SCIENCETM
Citations

4
checked on 29-feb-2024

Page view(s)

304
checked on 18-mar-2024

Google ScholarTM

Check

Altmetric

Altmetric


NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.