Reproductive biology of two macrourid fish, Nezumia aequalis and Coelorinchus mediterraneus, inhabiting the NW Mediterranean continental margin (400-2000 m)
Special issue Deep-Sea Biodiversity and Life History Processes.-- 10 pages, 7 figures, 5 tables
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Pergamon Press
2013-08
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Subjects: | Macrourid fish, Reproduction, Fecundity, Deep sea, Spermatogenesis, NW Mediterranean, |
Online Access: | http://hdl.handle.net/10261/90183 |
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dig-icm-es-10261-901832020-12-09T16:53:52Z Reproductive biology of two macrourid fish, Nezumia aequalis and Coelorinchus mediterraneus, inhabiting the NW Mediterranean continental margin (400-2000 m) Fernandez-Arcaya, U. Ramírez-Llodra, Eva Rotllant, Guiomar Recasens, Laura Murua, Hilario Quaggio-Grassiotto, I. Company, Joan B. Macrourid fish Reproduction Fecundity Deep sea Spermatogenesis NW Mediterranean Special issue Deep-Sea Biodiversity and Life History Processes.-- 10 pages, 7 figures, 5 tables Nezumia aequalis and Coelorinchus mediterraneus are abundant species on the upper and lower continental slopes, respectively, in the Mediterranean Sea. A study on the reproductive strategy of the two species was conducted on the Catalan margin (NW Mediterranean). The reproductive cycle of both species was investigated using visual analyses of gonads and histological screening. The shallower species, N. aequalis, showed continuous reproduction with a peak of spawning females in winter months. In contrast, the deeper-living species, C. mediterraneus, showed semi-continuous reproduction with a regression period during the spring. Juveniles of N. aequalis were present in all seasons, but most abundant in the spring. Only two juveniles of C. mediterraneus were found. Both species had asynchronous oocyte development. The average fecundity of N. aequalis was 10,630 oocytes per individual, lower than known for the same species in the Atlantic Ocean. The fecundity of C. mediterraneus was measured for the first time in this study, with an average of 7693 oocytes per individual. Males of both species appear to have semi-cystic spermatogenesis. © 2013 Elsevier Ltd. This study was conducted in the framework of the RECS II, PROMETEO and DOS MARES projects funded by the Spanish Science and Innovation Ministry (CICYT: REN02/04556/C02/MAR; CTM2007-66316-C02/MAR; CTM2010- 21810-C03-03/MAR respectively, to JBC) and the European Community’s Seventh Framework Program under the HERMIONE project (Grant agreement 226354, to ERLL). UF-A is funded by a Spanish doctoral fellowship FPI-2008. ERLL is funded by a Spanish JAE-CSIC postdoctoral grant with co-funding of the European Social Fund. This paper is contribution no. 619 from AZTI- Tecnalia (Marine Research Division) Peer Reviewed 2014-01-30T12:23:18Z 2014-01-30T12:23:18Z 2013-08 2014-01-30T12:23:18Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.1016/j.dsr2.2013.03.003 issn: 0967-0645 e-issn: 1879-0100 Deep-Sea Research Part II: Topical Studies in Oceanography 92: 63-72 (2013) http://hdl.handle.net/10261/90183 10.1016/j.dsr2.2013.03.003 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC/FP7/226354 https://doi.org/10.1016/j.dsr2.2013.03.003 none Pergamon Press |
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Macrourid fish Reproduction Fecundity Deep sea Spermatogenesis NW Mediterranean Macrourid fish Reproduction Fecundity Deep sea Spermatogenesis NW Mediterranean |
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Macrourid fish Reproduction Fecundity Deep sea Spermatogenesis NW Mediterranean Macrourid fish Reproduction Fecundity Deep sea Spermatogenesis NW Mediterranean Fernandez-Arcaya, U. Ramírez-Llodra, Eva Rotllant, Guiomar Recasens, Laura Murua, Hilario Quaggio-Grassiotto, I. Company, Joan B. Reproductive biology of two macrourid fish, Nezumia aequalis and Coelorinchus mediterraneus, inhabiting the NW Mediterranean continental margin (400-2000 m) |
description |
Special issue Deep-Sea Biodiversity and Life History Processes.-- 10 pages, 7 figures, 5 tables |
format |
artículo |
topic_facet |
Macrourid fish Reproduction Fecundity Deep sea Spermatogenesis NW Mediterranean |
author |
Fernandez-Arcaya, U. Ramírez-Llodra, Eva Rotllant, Guiomar Recasens, Laura Murua, Hilario Quaggio-Grassiotto, I. Company, Joan B. |
author_facet |
Fernandez-Arcaya, U. Ramírez-Llodra, Eva Rotllant, Guiomar Recasens, Laura Murua, Hilario Quaggio-Grassiotto, I. Company, Joan B. |
author_sort |
Fernandez-Arcaya, U. |
title |
Reproductive biology of two macrourid fish, Nezumia aequalis and Coelorinchus mediterraneus, inhabiting the NW Mediterranean continental margin (400-2000 m) |
title_short |
Reproductive biology of two macrourid fish, Nezumia aequalis and Coelorinchus mediterraneus, inhabiting the NW Mediterranean continental margin (400-2000 m) |
title_full |
Reproductive biology of two macrourid fish, Nezumia aequalis and Coelorinchus mediterraneus, inhabiting the NW Mediterranean continental margin (400-2000 m) |
title_fullStr |
Reproductive biology of two macrourid fish, Nezumia aequalis and Coelorinchus mediterraneus, inhabiting the NW Mediterranean continental margin (400-2000 m) |
title_full_unstemmed |
Reproductive biology of two macrourid fish, Nezumia aequalis and Coelorinchus mediterraneus, inhabiting the NW Mediterranean continental margin (400-2000 m) |
title_sort |
reproductive biology of two macrourid fish, nezumia aequalis and coelorinchus mediterraneus, inhabiting the nw mediterranean continental margin (400-2000 m) |
publisher |
Pergamon Press |
publishDate |
2013-08 |
url |
http://hdl.handle.net/10261/90183 |
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