Not so much a sea bass: Divergent European sea bass (Dicentrarchus labrax L.) freshwater incursions

被引:3
|
作者
Almeida, R. [1 ,4 ]
Tanner, S. E. [1 ,2 ]
Mateus, C. S. [3 ]
Ribeiro, F. [1 ]
Quintella, B. R. [1 ,2 ]
机构
[1] Univ Lisbon, MARE Marine & Environm Sci Ctr, Fac Ciencias, ARNET Aquat Res Network, Lisbon, Portugal
[2] Univ Lisbon, Fac Ciencias Lisboa, Dept Biol Vegetal, Lisbon, Portugal
[3] Univ Evora, Inst Res & Adv Training IIFA, MARE Marine & Environm Sci Ctr, ARNET Aquat Res Network, Evora, Portugal
[4] Univ Lisbon, Fac Ciencias, Edificio MARE, P-1749016 Lisbon, Portugal
关键词
freshwater contingent; Moronidae; movement behavior; partial migration; Tagus River; PARTIAL MIGRATION; MATURITY; POPULATIONS; GROWTH;
D O I
10.1111/jfb.15641
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
European sea bass (Dicentrarchus labrax [Linnaeus, 1758]) is a euryhaline marine migrant fish highly valuable for fisheries and aquaculture. Although juveniles are known to use estuaries and occasionally move to freshwater environments, these freshwater incursions had not been reported for adults. Recently, this behavior was observed in the Tagus River (Portugal) for adults occurring up to 150 km from the river mouth, about 80 km upstream from the tidal influence, suggesting the existence of a freshwater contingent. Fisheries management of sea bass should consider the putative existence of a freshwater contingent.
引用
收藏
页码:1241 / 1246
页数:6
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