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Gokoglu, Mehmet
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Occurrences of the Angular Roughshark (Oxynotus centrina Linnaeus, 1758) in the Gulf of Finike and Shortfin Mako (Isurus oxyrinchus Rafinesque, 1810) in the Western Mediterranean, Türkiye Yıldız, Alper; Gokoglu, Mehmet; Biçer, Erkan; Yılmaz, Mesut
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 12: No. 1 (April, 2025)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v1i1.18632

Abstract

The Mediterranean Sea experiences some of the highest levels of fishing pressure globally. Cartilaginous fish are the most impacted by this pressure, with their populations declining swiftly in the Mediterranean and across the world. There is limited data about sharks in the Mediterranean region. This research documented three Shortfin Mako sharks (Isurus oxyrinchus Rafinesque, 1810), in the Gulf of Antalya and the Angular Roughshark (Oxynotus centrina Linnaeus, 1758) was recorded for the first time in the Bay of Finike. These species are classified as Critically Endangered (CR) on the IUCN Red List, in the Mediterranean Sea.Keywords: Fishing; Gulf; Shark; Turkey
Spread of the arrow bulleye Priacanthus sagittarius Starnes, 1988 in the Mediterranean Sea Gökoğlu, Mehmet; Teker, Serkan
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 5: No. 1 (April, 2018)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v5i1.455

Abstract

Habitat of the family Priacanthidae is tropical and subtropical Atlantic, Indian, and Pacific oceans. The features of the  family members are generally very big eyes, deep bodies, upturned mouth,  and generally reddish color. In the this paper, we report the presence of an arrow bulleye Priancanthus sagittarius in coast of Turkey waters in the Mediterranean Sea. On the 27th December, 2017, a single specimen of P. sagittarius was collected by Mr. Hüseyin Çınar, captain of the commercial bottom trawler Furkan Reis vessel, off the TaÅŸucu, Mersin (36°07'2.82"N 33°51'6.42"E) Turkey coasts. The specimen of P. sagittarius was collected at a depth of approximatetly 100 m by a bottom trawl net; the mesh size of 22mm. The collected specimen of arrow bulleye P. sagittarius was 255 mm in total length (TL) and 307 g in total weight (TW). The finding of the present study is the first record of specimen along shores of the Mediterranean of Turkey. This record suggests that this species is spread towards to west along in the Mediterranean.
A new goatfish species of the genus Upeneus (Mullidae) in the Gulf of Antalya Gökoğlu, Mehmet
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 5: No. 2 (October, 2018)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v5i2.796

Abstract

During the night diving in the Gulf of Antalya, a different type of mullidae member was seen. This fish was determined that this species is Upeneus tragula. There are two species of fish belonging to the Upeneus genus Mullidaein the Mediterranean. With the addition of Upeneus tragula to these fishes, the number of Upeneus genus in the Mediterranean has increased to three.Keywords: Upeneus tragula; Gulf of Antalya; Coast of Turkey; Mediterranean
The first record of the mole crab (Albunea carabus L. 1758, Decapoda, Anomura, Hippidea) in the Gulf of Antalya Gökoğlu, Mehmet; Teker, Serkan; Gökoğlu, Kemal
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 6: No. 1 (April, 2019)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v6i1.1131

Abstract

The first occurence of the mole crab (Albunea carabus L. 1758) in the Gulf of Antalya. During a commercial shrimp fishery oparation in May, 2016, A different type of crab was caught in the Gulf of Antalya, Bogazkent (Köprüçayı). This unknown sample was brought to Akdeniz Ãœniversity Fisheries Laboratory and It was stored. Sample was caught with shrimp nets that were left at depths of 10-20 m in the Gulf of Antalya, Bogazkent (Köprüçay River). It has been determined that this elongated mole, caught in the identification of the species, is Albunea carabus L. 1758, known as the dengue. Mole crab (Albunea carabus L. 1758) was reported for the first time from the Gulf of Antalya via this article.Keywords: Albunea carabus; the Gulf of Antalya; mole crab
A preliminary study on the traits of Chamelea gallina (Linnaeus, 1758) in the Gulf of Antalya, Mediterranean Coast of Turkey (Levantine Sea) Tanrıverdi, Raziye; Gökoğlu, Mehmet; Korun, Jale
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 6: No. 2 (October, 2019)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v6i2.1551

Abstract

This study aimed to examine on some properties and to draw attention to why it cannot create an intensive stock amount of Chamelea gallina (Linnaeus, 1758) in the Gulf of Antalya in the Mediterranean coast of Turkey, Levantine Sea. Specimens of C. gallina displayed total shell legths of 6 to 32 mm, mean 14.5 mm and total weights of 0.1 to 11.44 g, mean 1.82 g. The total shell length and total weight relationship of C. gallina was calculated as TW =0.3333 * TSL 2.9894 (R² =0.9850). The mean meat yield was found as 12.10±0.9264%. A small number of C. gallina samples were collected. The majority of the collected striped venus were determined as empty shell. It was observed that the razorfish (Xyrichtys novacula) were fed with C. gallina during research. Finally, these results may draw attention the reasons why this species cannot form an intensive stock amount. It is thought that the empty shells of the striped venus can be caused from feeding of the razorfish (X. novacula) with C. gallina and environmental factor changes.Keywords: Chamelea gallina; length; weight; meat yield; mediterranean
Infestation rate and impacts of Epipenaeon ingens on growth and reproduction of brown shrimp (Penaeus aztecus) Gokoglu, Mehmet; Teker, Serkan; Korun, Jale
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 7: No. 1 (April, 2020)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v7i1.2091

Abstract

In this study, 515 Farfantepenaeus aztecus specimens were investigated in the Gulf of Antalya and 304 (59,02%) specimens (167 females and 137 males) infested with Bopyrid isopod parasite Epipenaeon ingens were found. In this study, we aimed to define the rate of infestation and its impact on survival rate and growth rate. Relationship of length- weight and condition factor values were lower in infested specimens compared to non-infested ones. While gonadal development was observed in different stages of non-infested female specimens, no gonadal development was observed in any infested specimens. Moreover, darker color and harder shell structure were observed in parasitized shrimps. During this research, infestation onto P. semisulcatus and P. kerathurus had been seen rarely.Keywords: Gulf of Antalya; Epipenaeon ingens, Farfantepenaeus aztecus; growth; reproduction
Allometric relationship and meat yield of Chama pacifica broderip, 1835 from the Gulf of Antalya, Turkey Tanrıverdi, Raziye; Gökoğlu, Mehmet; Korun, Jale
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 7: No. 1 (April, 2020)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v7i1.2199

Abstract

In this study, the allometric relationship and the meat yield of the large Pacific jewel-box Chama pacifica Broderip, 1835 were investigated. C. pacifica samples were by scuba diving at depths of 3-8 m in the Gulf of Antalya. The relationship of total shell length and total shell weight was determined as TW = 2.2693*TSL 2.5327 (R2= 0.69). The mean flesh weight and mean meat yield were determined to be 11,07±0.445 g and 6.84±0.18%, respectively. This research revealed the meat yield data of C. pacifica and its potential importance as a food source.Keywords: Chama pacifica; Pacific jewel-box; flesh weight; meat yield; allometric relationship
The occurrence of the Atlantic species Pisodonophis semicinctus (Osteichthyes: Ophichthidae) in the Gulf of Antalya, Turkey Gökoğlu, Mehmet; Biçer, Erkan; Korun, Jale; Gökoğlu, Kemal; Teker, Serkan
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 7: No. 1 (April, 2020)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v7i1.2234

Abstract

Fishermen caught a different eel species at night with hook on July 7, 2019 (36°48'59.21"N: 30°38'23.44"E). This fish has not been seen before in the Gulf of Antalya. This fish was identified as Pisodonophis semicinctus (Richardson, 1848). With the identification of this fish, a new species was added to the fish fauna of the Gulf of Antalya.  In the present paper, we reported P. semicinctus for the first time from the Gulf of Antalya, Turkey (North-Eastern Mediterranean), for the third time from marine waters of Turkey.Keywords: Occurence; Pisodonophis semicinctus; the Gulf of Antalya
Occurrence of the Histioteuthis reversa (Verrill 1880), (Cephalopoda/Histioteuthidae) in the Gulf of Mersin/ Turkey Gökoğlu, Mehmet; Teker, Serkan; Korun, Jale
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Jurnal Ilmu Perairan, Vol. 8: No. 2 (August, 2021)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v8i2.4783

Abstract

A different species of squid was caught during trawling (36°01390N; 033°44220E and 36°07080N; 034°00920E) in the Gulf of Mersin at average depth of 300-400 m. It was determined that this squid was Histioteuthis reversa (Verrill 1880). This is the first record of Histioteuthis reversa both for the Gulf of Mersin and Turkey's Mediterranean coast.Keywords: Coast of Turkey, Mediterranean, Priacanthus sagittarius, Spread.
Acetabularia caliculus (J.V.Lamouroux, Quoi & Gaimard, 1824), in the Gulf of Antalya: A second discovery Ãœstüner, Hatice; Gökoğlu, Mehmet
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 11: No. 2 (August, 2024)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v11i2.5637

Abstract

During scuba-diving activities on October 26, 2021, at Konyaalti Beach (36o 52' 58'' N 30o 41' 06'' E) of the Gulf of Antalya, another Acetabularia species was discovered after the vegetation of Acetabularia acetabulum. According to the species guide, this algae species was identified as Acetabularia caliculus (JVLamour, Quoy & Gaimard, 1824). This species was first reported in the Gulf of Antalya in 2018. This study presents a second discovery of the species in the Gulf of Antalya.Keywords: Acetabularia caliculus; Gulf of Antalya; Second Report
Co-Authors Ãœstüner, Hatice Çağıltay, Ferhat Biçer, Erkan Biçer, Erkan Çağıltay, Ferhat Gökoğlu, Kemal Gürdal, Mustafa Korun, Jale Tanrıverdi, Raziye Teker, Serkan USTUNER, Hatice Yıldız, Alper Yılmaz, Mesut Yıldız, Alper