Reproductive biology of white mullet,Mugil curema (Valenciennes) in the Southern Caribbean |
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| Institution: | 1. Ecosystem Management Research Group (ECOBE), Universiteit Antwerpen, Universiteitsplein 1C, 2610 Wilrijk, Belgium;2. Hydraulics Laboratory, Department of Civil Engineering, Universiteit Gent, Sint-Pietersnieuwstraat 41, 9000 Gent, Belgium;3. Hamburg Port Authority (HPA), Neuer Wandrahm 4, 20457 Hamburg, Germany;4. Royal Netherlands Institute for Sea Research (NIOZ), Department of Estuarine and Delta Systems, and Utrecht University, Korringaweg 7, 4401 NT Yerseke, The Netherlands;1. College of Harbor Coastal and Offshore Engineering, Hohai University, Nanjing 210098, PR China;2. Zhejiang Univ, Ningbo Inst Technol, 1 Qianhu South Rd, Ningbo, Zhejiang, China;3. School of Engineering, University of Liverpool, Liverpool L69 3GH, United Kingdom;1. University of Bologna, Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Sezione di Geologia, Via Zamboni 67, 40126 Bologna, Italy;2. Federal University of Rio Grande do Sul, Instituto de Geociências, Programa de Pós-Graduação em Geociências, Av. Bento Gonçalves 9500, 91509-900 Porto Alegre, RS, Brazil;3. Federal University of Rio Grande do Sul, Instituto de Geociências, Centro de Estudos de Geologia Costeira e Oceânica, Av. Bento Gonçalves 9500, 91509-900 Porto Alegre, RS, Brazil;4. Joint Laboratory of Coastal Evolution and Coastal Management – UFRGS & UNIBO, Brazil;5. Joint Laboratory of Coastal Evolution and Coastal Management – UFRGS & UNIBO, Italy;1. Ioffe Institute, 194021 Saint-Petersburg, Russia;2. St. Petersburg State University, 198504 St. Petersburg, Russia;3. Institute for Microelectronics and Microsensors, Johannes Kepler University, A-4040 Linz, Austria;1. Universidad de Buenos Aires (UBA)-CONICET, Instituto de Investigaciones en Producción Animal (INPA), Facultad de Ciencias Veterinarias, Av. Chorroarín 280, C1427CWO, Buenos Aires, Argentina;2. Departamento de Física, Facultad de Ciencias, Universidad de Oviedo, Calvo Sotelo s/n, 33007, Oviedo, Spain;3. Laboratorio de la Dirección de Pesca Continental, Subsecretaría de Pesca y Acuicultura, Ministerio de Agroindustria, Alférez Pareja 125, C1107BJD, Buenos Aires, Argentina;4. Comisión de Investigaciones Científicas (CIC), Calle 526 s/n, 1900 La Río de la Plata, Buenos Aires, Argentina;5. Instituto de Ictiología del Nordeste, Facultad de Ciencias Veterinarias, Universidad Nacional del Nordeste, CONICET, Sargento Cabral 2139, 3400, Corrientes, Argentina |
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| Abstract: | Gonadal development and spawning of white mullet, Mugil curema in the Gulf of Paria, Trinidad, West Indies, was investigated using both macroscopic and histological techniques. M. curema is a multiple batch spawner with a protracted spawning season from November to July. Gonadal development is annual and each female appears to spawn at least twice per year. The prolonged spawning season may thus be an indication of the lack of population synchrony rather than prolonged spawning by a single individual. Peak-spawning activity occurs in June/July and it is hypothesized that it is in response to the start of the rainy season. Oocyte development is group synchronous and development of oocytes in the leading clutch is isochronal. |
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