Feeding ecology and reproduction biology of Glaucostegus cemiculus (Geoffroy Saint-Hilaire, 1817) from the eastern Aegean Sea
Küçük Resim Yok
Tarih
2020
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Elsevier
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
Though guitarfish are common bycatch and have an economical value in the Mediterranean Sea, there is still limited knowledge on blackchin guitarfishs, Glaucostegus cemiculus, their presence or any biological feature, with specific regard to those that inhabit the eastern Mediterranean coasts of Turkey. To explore this information gap, bio-ecological features, which are investigated in terms of stomach contents and reproduction, were examined from individuals obtained from Izmir Bay. A total of 122 individuals caught as by-catch were collected monthly between: July 2015-June 2016. Crustaceans were found to be the main prey item in their diets. Maturity stages were mainly immature, with the exception of two individuals: an immature 2-developing female and mature 3b-active male. Knowledge retrieved from present studies on bio-ecological features contributes to closing the current information gap on endangered blackchin guitarfish in the eastern Aegean Sea. Such studies also provide a platform for essential discussion on the various ways in which effective r monitoring strategies for the species could be implemented and managed; particularly in the Turkish coast of the eastern Mediterranean. (C) 2019 Elsevier B.V. All rights reserved.
Açıklama
Anahtar Kelimeler
Glaucostegus cemiculus, Blackchin guitarfish, Diet, Trophic level, Nursery area, Eastern aegean sea
Kaynak
Regional Studies in Marine Science
WoS Q Değeri
Q3
Scopus Q Değeri
Q2
Cilt
33
