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Dive into the research topics where Halit Filiz is active.

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Featured researches published by Halit Filiz.


Zoology in The Middle East | 2005

First record of the Small-toothed Argentine, Glossanodon leioglossus (Valenciennes, 1848) (Osteichthyes: Argentinidae), from Turkey

Murat Bilecenoglu; Gökçen Bilge; Halit Filiz

This record suggests a wider range for the Brown Bear in Golestan National Park than indicated by KIABI et al (1994). Although ZIAIE (1996) has mentioned that Brown Bears feed on fruits, roots, seeds, buds and animals materials, it was not known that sunflowers are also part of the diet of this species. This may be seen an adaptation to local food resources. Brown Bears may thus cause significant damage to farmers, and the payment of compensation must be considered. This should be put into operation as an agreement between the Ministry of Jihad-e-Agriculture and the Department of the Environment (DOE), before farmers consider to kill the bears.


AQUATIC RESEARCH | 2018

DETERMINATION OF SAGITTAL OTOLITH BIOMETRY AND BODY SIZE OF Serranus cabrilla (Linnaeus, 1758) DISTRIBUTED IN SOUTHERN AEGEAN SEA

Gökçen Bilge; Halit Filiz

Fish otoliths are generally used to determine taxon, age and size of the teleost fishes and are useful tools for studies of prey-predator relationships, population dynamics and ichthyo-archaeology. In the present study, the equations for the relationships were calculated between fish length (TL), weight (W) versus sagittal otolith length (OL), height (OH) and weight (OW) in comber ( Serranus cabrilla , Linnaeus, 1758) specimens (N=310, 95–225 mm in TL and 7.54–111.27 g) captured via bottom trawl vessels from off the Gulluk Bay (Southern Aegean Sea) between January and December 2013. Since there has been no statistical differences between left and right otoliths (p>0.05), left otoliths were used for calculations. Regression formulas were calculated as follows: TL=28.75*OL–22.31, TL=64.36*OH–6.808, TL=2380*OW 0.640 , W=0.056*OL 3.618 , W=2.029*OH 3.254 , W=5168*OW–28.33, OH=0.414*OL–0.054, OW=0.0000053*OL 1.542 , and OW=0.003*OH 1.382 . The aim of this study is to fill in the missing data concerning otolith and fish size relationships of the species in the southern Aegean Sea, thereby providing researchers studying food habits of top predators to determine the size and weight of prey fish from length or weight of recovered otoliths.


Journal of Aquaculture Engineering and Fisheries Research | 2016

NORTHWARDS RANGE EXPANSION OF Sparisoma cretense (Linnaeus, 1758) IN THE TURKISH AEGEAN SEA

Sercan Yapıcı; Halit Filiz; Gökçen Bilge

The northward establishment of Sparisoma cretense in the Turkish waters of Aegean Sea is documented. Three samples of this thermophilic species were collected on 19 March 2014 along the eastern coasts, at the limits between the Central and Northern part of the basin. Meridionalization and tropicalization in the Aegean Sea are briefly discussed.


Journal of Aquaculture Engineering and Fisheries Research | 2015

ABNORMALITIES IN THE WEDGE SOLE Dicologlossa cuneata (MOREAU, 1881) AND BLACK SEA TURBOT Scophthalmus maeoticus (PALLAS, 1814) FROM TURKISH SEAS

Efe Ulutürk; Bahar Bayhan; Halit Filiz; Deniz Acarlı; Erhan Irmak

Both color and morphological abnormalities on two different flatfish species [ Dicologlossa cuneata (Moxadreau, 1881) and Scophthalmus maeoticus (Pallas, 1814)] have been recorded from Turkish seas. Abxadnormal flatfish species, Dicologlossa cuneata (Moxadreau, 1881), wedge sole, was sampled from two difxadferent localities in Aegean sea. First wedge sole from Izmir bay (Aegean sea) had three different colour abxadnormalities (ambicoloration; albinism and xanthochroxadism) on eyed and blind sides of their body. Other abxadnormal wedge sole specimen from Ekincik cove (Aexadgean sea) had ambicoloration on blind side of the body. Second abnormal flatfish species Scophthalmus maeoticus (Pallas, 1814), Black sea turbot, was caught from the Black sea coast of Istanbul and the specimen had totally ambicolored (blind side of the body was colored as like as eyed side) and morphological abxadnormalities (a fleshy piece-hook-above the head).


Turkish Journal of Fisheries and Aquatic Sciences | 2006

Conversions of Total, Fork and Standard Length Measurements Based on 42 Marine and Freshwater Fish Species (from Turkish Waters)

Özcan Gaygusuz; Çiğdem Gürsoy; Müfit Özuluğ; Ali Serhan Tarkan; Hasan Acipinar; Gökçen Bilge; Halit Filiz


Turkish Journal of Fisheries and Aquatic Sciences | 2011

Occurrence of Non-Native Fishes in a Small Man-Made Lake (Lake Ula, Muğla): Past, Present, Future Perspectives

Halit Filiz; Bahadir Önsoy; Ali Serhan Tarkan; Gökçen Bilge; Ahmet Nuri Tarkan


Acta Adriatica | 2006

Sexual dimorphism in the head, mouth, and body morphology of the smallspotted catshark, Scyliorhinus canicula (Linnaeus, 1758) (Chondrichthyes: Scyliorhinidae) from Turkey

Halit Filiz; Ertan Taşkavak


Archive | 2011

Determination of the best length measurement of fish

A. Serhan Tarkan; Halit Filiz


Belgian Journal of Zoology | 2008

Food habits of the hollowsnout grenadier, Caelorinchus caelorhincus (Risso, 1810), in the Aegean Sea, Turkey

Tuncay Murat Sever; Halit Filiz; Bahar Bayhan; Ertan Taşkavak; Gökçen Bilge


Archive | 2005

Occurence of Squatina aculeata Cuvier, 1829 (Elasmobranchii, Squatinidae) from the Aegean Sea, Turkey

Halit Filiz; Erhan Irmak

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Çiğdem Gürsoy

Çanakkale Onsekiz Mart University

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