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    A new maximum length for the garfish, Belone belone (Linnaeus, 1761) in the coast of Gokceada Island (Aegean Sea, Turkey)
    (Cahiers De Biologie Marine, 2018) Acarli, Deniz; Kale, Semih; Cakir, Kamil
    A specimen of the garfish, Belone belone (Linnaeus, 1761), was caught in the coast of Gokceada Island, the northern Aegean Sea along the Turkish coasts. Its total length was 93.3 cm and weight was 1120 g. The given size is the maximum observed length value of the species for the Aegean Sea and the other coasts of Turkey. Also, it is the second largest length ever reported in the all seas of the world.
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    Catch per Unit Effort (CPUE) for Discard, Bycatch and Target Catch of Trawl Fishery in the Coasts of Gokceada Island (North Aegean Sea, Turkey)
    (Kahramanmaras Sutcu Imam Univ Rektorlugu, 2022) Acarli, Deniz; Kale, Semih; Cakir, Kamil
    The aim of the present study is to determine the catch per unit effort (CPUE) for discard, bycatch and target catch of commercial trawl fishery in the coasts of Gokceada Island (Northern Aegean Sea). A total of 19 bottom trawl hauls (99.8 hours) were carried out on the coasts of Gokceada Island in the north Aegean Sea, between March 2015 and April 2017, with commercial trawler. During the study period, 58 species and 7938 individuals belonging to 46 families were caught. In terms of the number of species, the ratios in the total catch for target, bycatch and discard species were calculated as 5.17%, 50.00%, and 44.83%, respectively. Among sampled species, the most caught commercial species were; European hake (Merluccius merluccius), deep-water rose shrimp (Parapaneus longirostris) and blue whiting (Micromesistius poutassou). The total catch amount was calculated as 1146.44 kg. While the catch amount of target species was 817.87 kg (71.34%), the catch amount of bycatch and discard was calculated as 328.57 kg (28.66%). The CPUE value of the targeted species was determined as 31.5 kg operation-1, while the CPUE values of bycatch and discard were calculated as 10.11 and 2.39 kg operation-1, respectively. Moreover, the hourly CPUE value of targeted species was calculated as 8.19 kg hour-1, while the hourly CPUE values of bycatch and discard were determined as 2.63 and 0.62 kg hour-1, respectively.
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    Öğe
    Length-Weight Relationships of Eighteen Fishes and a Cephalopod from Gokceada Island, Northern Aegean Sea, Turkey
    (Springer Int Publ Ag, 2022) Acarli, Deniz; Kale, Semih; Cakir, Kamil
    Length-weight relationships were estimated for 18 fish species and a Cephalopod species from 17 families. A total of 3433 individuals were caught from the coasts of Gokceada Island, Northern Aegean Sea, Turkey. Pagellus acarne, P. bogaraveo, Gadiculus argenteus, Scyliorhinus canicula, Lepidopus caudatus, Capros aper, Lepidorhombus boscii, Hoplostethus mediterraneus, Ophidion barbatum, Helicolenus dactylopterus, Coelorinchus caelorhincus, Argentina sphyraena, Lophius budegassa, Chlorophthalmus agassizi, Lepidotrigla cavillone, Conger conger, Engraulis encrasicolus, Serranus hepatus and Illex coindetii (Cephalopoda) were collected by commercial trawl from the coasts of Gokceada Island. The slopes (b) of the length-weight relationships ranged between 2.5091 and 3.4807 with a mean of 3.0265. All length-weight relationships were highly significant (p < 0.0001). This paper provides valuable information for biological studies and stock assessments of these fishes in fisheries management and decision-making processes.
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    Reconfirmed occurrance and northward expansion of the royal flagfish Aulopus filamentosus (Bloch, 1792) from the Aegean Sea
    (Ege Univ, 2017) Daban, Ismail Burak; Cakir, Kamil; Acarli, Deniz; İşmen, Ali
    A single male specimen of the royal flagfin (Aulopus filamentosus), 369 mm total length was caught with the longline from the Gokceada Island, north Aegean Sea. This report constitutes the reconfirmed occurrance with gives precise locality information from the Turkish waters and this record reflects northernmost expansion of this species in the Aegean Sea.