Hasan Deniz AKBORA, Deniz AYAS, Nuray ÇİFTÇİ

Kuzey Kıbrıs'ın Derin Denizlerinde Kadife Karınlı Fener Köpekbalığının Etmopterus spinax (Linnaeus, 1758) Yeni Kaydı

Fener köpekbalıkları 70 - 2000 m arasındaki derinliklerde görülebilen küçük köpekbalığı türleridir. Lüminesan özellikleri nedeniyle “Fener köpekbalığı” olarak anılmaktadırlar. Kuzey Kıbrıs derin denizlerinde 13 adet trol operasyonu yapılarak, dip trolü yöntemi ile toplam 11 adet kadife fener köpekbalığı, Etmopterus spinax (Linnaeus, 1758) yakalanmıştır. Yakalanan örnekler %4’lük formalin içerisine konularak; Mersin Üniversitesi, Su Ürünleri Fakültesi, Sistematik Müzesine (Katalog numarası: MEUFC-18-11-082) yerleştirilmiştir. Örnekleme alanı olarak 274 ve 641 m arasındaki derinlikler seçilmiştir. Örneklemeler sırasında E. spinax haricinde yakalanan diğer kıkırdaklı balıklar Galeus melastomus (1 birey), Squalus acanthias (4 birey), Scyliorhinus canicula (85 birey) şeklindedir. E. spinax yakalanmış olan tüm kıkırdaklı balıkların %10.89’luk bir bölümünü oluşturmaktadır. Yakalanan tüm balıklar için tür teşhisi morfolojik özellikler yardımı ile yapılmıştır.

Anahtar Kelimeler:

Fener Köpekbalığı, Etmopterus spinax

New Record of the Velvet Belly Lanternshark Etmopterus spinax (Linnaeus, 1758) in the Deep Seas of Northern Cyprus

Lantern sharks are small shark species that can be seen at depths between 70 and 2000 meters. Due to their luminescent characteristics, they have been called “Lantern shark”. In total eleven specimens of the velvet belly lantern shark, Etmopterus spinax (Linnaeus, 1758), were caught in the deep seas of Northern Cyprus by using a bottom trawl. Sampling was carried out using 13 trawling operations. The collected samples were placed in 4% formalin and stored at the Museum of the Systematic, Faculty of Fisheries, Mersin University, (catalogue number: MEUFC-18-11-082). As a sampling area, the depths between 274 and 641 m were selected. Other cartilaginous fish caught during sampling except E. spinax were Galeus melastomus (1 individual), Squalus acanthias (4 individuals), Scyliorhinus canicula (85 individuals). E. spinax made up 10.89% of all cartilaginous fishes which were caught. Species identification for all fishes caught is made with the help of morphological features.

Keywords:

Lantern shark, Etmopterus spinax,

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[1] L. J. V. Compagno, “FAO species catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of sharks species known to date. Part 1. Hexanchiformes to Lamniformes,” FAO Fish. Synopsis, 1984.
[2] C. J. L. Atkinson and M. Bottaro, “Ampullary pore distribution of Galeus melastomus and Etmopterus spinax: Possible relations with predatory lifestyle and habitat,” J. Mar. Biol. Assoc. United Kingdom, vol. 86, no. 2, pp. 447–448, 2006.
[3] S. Klimpel, H. W. Palm, and A. Seehagen, “Metazoan parasites and food composition of juvenile Etmopterus spinax (L., 1758) (Dalatiidae, Squaliformes) from the Norwegian Deep.,” Parasitol. Res., vol. 89, no. 4, pp. 245–51, 2003.
[4] R. Coelho and K. Erzini, “Life history of a wide-ranging deepwater lantern shark in the north-east Atlantic, Etmopterus spinax (Chondrichthyes: Etmopteridae), with implications for conservation,” J. Fish Biol., vol. 73, no. 6, pp. 1419–1443, 2008.
[5] F. Serena, Field Identification Guide to the Sharks and Rays of the Mediterranean and Black Sea. Rome: FAO, 2005.
[6] A. Carbonell, F. Alemany, P. Merella, A. Quetglas, and E. Román, “The by-catch of sharks in the western Mediterranean (Balearic Islands) trawl fishery,” Fish. Res., vol. 61, no. 1–3, pp. 7–18, 2003.
[7] R. Coelho, L. Bentes, J. M. S. Gonçalves, P. G. Lino, J. Ribeiro, and K. Erzini, “Reduction of elasmobranch by-catch in the hake semipelagic near-bottom longline fishery in the Algarve (Southern Portugal),” Fish. Sci., vol. 69, no. 2, pp. 293–299, 2003.
[8] J. Neiva, R. Coelho, and K. Erzini, “Feeding habits of the velvet belly lanternshark Etmopterus spinax (Chondrichthyes: Etmopteridae) off the Algarve, southern Portugal,” J. Mar. Biol. Assoc. United Kingdom, vol. 86, no. 4, pp. 835–841, 2006.
[9] E. Fanelli, J. Rey, P. Torres, and L. Gil De Sola, “Feeding habits of blackmouth catshark Galeus melastomus Rafinesque, 1810 and velvet belly lantern shark Etmopterus spinax (Linnaeus, 1758) in the western Mediterranean,” J. Appl. Ichthyol., vol. 25, no. SUPPL. 1, pp. 83–93, 2009.
[10] J. F. C. Steven H.D. Haddock, Mark A. Moline, “Bioluminescence in the Sea Steven,” Annu. Rev. M, vol. 5, no. 9, pp. 207–236, 2010.
[11] J. M. Claes and J. Mallefet, “Functional physiology of lantern shark (Etmopterus spinax) luminescent pattern: differential hormonal regulation of luminous zones,” J. Exp. Biol., vol. 213, no. 11, pp. 1852–1858, 2010.
[12] J. M. Claes and J. Mallefet, “Early development of bioluminescence suggests camouflage by counter-illumination in the velvet belly lantern shark Etmopterus spinax (Squaloidea: Etmopteridae),” J. Fish Biol., 2008.
[13] J. M. Claes and J. Mallefet, “Ontogeny of photophore pattern in the velvet belly lantern shark, Etmopterus spinax,” Zoology, vol. 112, no. 6, pp. 433–441, 2009.
[14] M. M. S. Farrag, “Deep-sea ichthyofauna from Eastern Mediterranean Sea, Egypt: Update and new records,” Egypt. J. Aquat. Res., vol. 42, no. 4, pp. 479–489, 2016.
[15] E. Gennari and U. Scacco, “First age and growth estimates in the deep water shark, Etmopterus Spinax (Linnaeus, 1758), by deep coned vertebral analysis,” Mar. Biol., vol. 152, no. 5, pp. 1207–1214, 2007.
[16] J. A. Bertrand, L. Gil de Sola, C. Papakonstantinou, G. Relini, and A. Souplet, “Contribution on the distribution of elasmobranchs in the Mediterranean (from the MEDITS surveys),” Biol. Mar. Mediterr., vol. 7, no. January, pp. 1–15, 2000.
[17] A. . Hoşsucu, H., Büyükışık, B., Tokaç, A., Alpbaz, A., Özel, İ., Özden, O., İlkyaz, “Project for the management of coastal fishery in Turkish Republic of Northern Cyprus (in Turkish).,” 1998.
[18] E. . Cihangir, B., Benli, H.A., Tıraşın, “Demersal Fisheries Resources of the Bay of Magosa, The Turkish Republic of Northern Cyprus,” in International conference on the Environmental problems of the Mediterranean Region, 2002, vol. 1, pp. 409–416.
[19] C. Capape, M. N. Bradai, A. A. Seck, Y. Diata, J. A. Tomasin, and J. P. Quignard, “Aspects of the Reproductive Biology of the Velvet Belly, Etmopterus Spinax (Elasmobranchii : Squalidae),” Bull. Inst. Natn. Scien. Tech. Mer Salammbô, vol. 28, no. January, pp. 55–63, 2001.
[20] L. Sion, A. Bozzano, G. D’Onghia, F. Capezzuto, and M. Panza, “Chondrichthyes species in deep waters of the Mediterranean Sea,” Sci. Mar., vol. 68, no. S3, pp. 153–162, 2004.
[21] C. Porcu et al., “Reproductive aspects of the velvet belly Etmopterus spinax (Chondrichthyes: Etmopteridae), from the central western Mediterranean Sea. Notes on gametogenesis and oviducal gland microstructure,” Mediterr. Mar. Sci., vol. 15, no. 2, pp. 313–326, 2014.
[22] M. Bilecenoğlu, M. Kaya, B. Cihangir, and E. Çiçek, “An updated checklist of the marine fishes of Turkey,” Turkish Journal of Zoology. 2014.
[23] A. A. Saad and H. Alkusairy, “Occurrence of Mature Female of Etmopterus Spinax ( Chondrichthyes : Occurrence of Mature Female of Etmopterus Spinax ( Chondrichthyes : Etmopteridae ) in the Syrian Coast ( Eastern Mediterranean ),” no. September, 2018.
[24] C. ; M. A. CAPAPÉ, “First Records of Velvet Belly Lantern Shark Etmopterus Spinax (Chondrichthyes: etmopteridae) from the Syrian Coast (Eastern Mediterranean),” Ann. Ser. hist. nat., vol. 27(2), pp. 145–150, 2017.
[25] N. Başusta, “New records of neonate and juvenile sharks (Heptranchias perlo, Squatina aculeata, Etmopterus spinax) from the North-eastern Mediterranean Sea,” Mar. Biodivers., 2016.
[26] C. Guallart, J., Coelho, R.P., Blasdale, T., Mancusi, C., Serena, F., Ungaro, N., Litvinov, F., Crozier, P. & Stenberg. (2016, March 25). “Velvet Belly Lanternshark Etmopterus spinax,” The IUCN Red List of Threatened Species [Online]. Available: https://www.iucnredlist.org/species/161388/16527777. [Accessed: 25-Mar-2016].
[27] N. Kress, B. B. Manca, B. Klein, and D. Deponte, “Continuing influence of the changed thermohaline circulation in the eastern Mediterranean on the distribution of dissolved oxygen and nutrients: Physical and chemical characterization of the water masses,” J. Geophys. Res. C Ocean., vol. 108, no. 9, pp. 1–20, 2003.