Reproductive biology of two macrourid fish, Nezumia aequalis and Coelorinchus mediterraneus, inhabiting the NW Mediterranean continental margin (400-2000 m)

被引：14

作者：

Fernandez-Arcaya, U. ^{[1
]}

Ramirez-Llodra, E. ^{[1
]}

Rotllant, G. ^{[2
]}

Recasens, L. ^{[1
]}

Murua, H. ^{[3
]}

Quaggio-Grassiotto, I. ^{[4
]}

Company, J. B. ^{[1
]}

机构：

[1] Consejo Super Invest Cient ICM CSIC, Inst Ciencies Mar, Barcelona 08003, Spain

[2] IRTA, Tarragona 43540, Spain

[3] Azti Tecnalia, Pasaia 20110, Gipuzkoa, Spain

[4] UNESP, Inst Biociencias, Dept Morfol, BR-18618000 Botucatu, SP, Brazil

来源：

DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY | 2013年 / 92卷

关键词：

Macrourid fish; Reproduction; Fecundity; Deep sea; NW Mediterranean; Spermatogenesis; DOWNWARD PARTICLE FLUXES; LIVING DEMERSAL FISHES; DEPTH-RELATED TRENDS; POPULATION-STRUCTURE; ROUGHHEAD GRENADIER; LIFE-HISTORY; ROUNDNOSE GRENADIER; DECAPOD CRUSTACEANS; NORTHEAST ATLANTIC; BERGLAX LACEPEDE;

D O I：

10.1016/j.dsr2.2013.03.003

中图分类号：

P7 [海洋学];

学科分类号：

0707 ;

摘要：

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. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：63 / 72

页数：10

共 1 条

[1] Reproductive biology and recruitment of the deep-sea fish community from the NW Mediterranean continental margin
Fernandez-Arcaya, U.
Rotllant, G.
Ramirez-Llodra, E.
Recasens, L.
Aguzzi, J.
Flexas, M. M.
Sanchez-Vidal, A.
Lopez-Fernandez, P.
Garcia, J. A.
Company, J. B.
PROGRESS IN OCEANOGRAPHY, 2013, 118 : 222 - 234

← 1 →