New Record of Carcharhinus brevipinna (Müller &amp; Henle, 1839) from Mersin Bay, the Northeastern Mediterranean

Ayas, Deniz; Çiftçi, Nuray; Akbora, Hasan Deniz

doi:10.28978/nesciences.646334

Cited by 4 publications

(1 citation statement)

References 10 publications

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“…According to the information received from fishers and scuba divers, in the region around the place where Göksu Delta flows into the sea, juvenile sharks are frequently seen. Also, recently a pregnant thresher shark Alopias vulpinus with four pups inside (Ayas, Erguden, Erguden, & Akbora, 2020b), a juvenile Carcharhinus brevipinna (Ayas, Çiftçi, & Akbora, 2019), and another juvenile C. altimus (Ayas et al, 2020a) were caught incidentally near the same region. This area can be a nursing area for many shark species.…”

Section: Discussionmentioning

confidence: 99%

Occurrence of the Young Thresher Shark Alopias superciliosus Lowe, 1841 (Lamniformes: Alopiidae) in the Northeastern Mediterranean Sea

Ayas¹,

Akbora²,

Çiçek³

2020

Commagene Journal of Biology

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The Bigeye Thresher Shark Alopias superciliosus Lowe, 1841 is one of the largest shark species found in the Pacific, Atlantic, and Indian oceans. They also have started to be seen in the Mediterranean Sea since the 1980s. The presence of two different species of Thresher sharks in Turkish waters is known, which are A. vulpinus and A. superciliosus. Thresher sharks can easily be distinguished from other shark species with their big tails. A juvenile female specimen of A. superciliosus with a total length of 240 cm was caught incidentally in Mersin Bay in January 2020. Essential measurements of the fish were fulfilled and the specimen was deposited in the Museum of the Systematic, Faculty of Fisheries, Mersin University (catalog number: MEUFC-20-11-127). This study is the first record of A. superciliosus in Mersin Bay.

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Section: Discussionmentioning

confidence: 99%

Occurrence of the Young Thresher Shark Alopias superciliosus Lowe, 1841 (Lamniformes: Alopiidae) in the Northeastern Mediterranean Sea

Ayas¹,

Akbora²,

Çiçek³

2020

Commagene Journal of Biology

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Occurrence of the silky shark, Carcharhinus falciformis (Bibron, 1839) (Carcharhiniformes: Carcharhinidae), from Iskenderun Bay, northeast Levant Sea

Ergüden¹,

Kabasakal²,

Kambur³

2022

EgeJFAS

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An immature male specimen of Carcharhinus falciformis (Bibron, 1839) was caught by a commercial long-liner off Samandağ coast (Iskenderun Bay, northeastern Levant Sea, Turkey), on 2nd of November, 2021. This record is the fourth observation of this species in Turkey. Monitoring the coastal occurrences of the silky shark throughout its distribution range is critical, where the species is considered as very rare.

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Filling in knowledge gaps: Length–weight relations of 46 uncommon sharks and rays (Elasmobranchii) in the Mediterranean Sea

Tsikliras¹,

Dimarchopoulou²

2021

AIeP

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Large sharks and rays are generally understudied in the Mediterranean Sea, thus leading to a knowledge gap of basic biological characteristics that are important in fisheries management and ecosystem modeling. Out of the 76 sharks and rays inhabiting the Mediterranean Sea, the length–weight relations (LWR) are available for 28 (37%) of them, usually for common small-sized species that are not protected and may be marketed. The aim of the presently reported study was to fill in the knowledge gap through the estimation of LWR of rare and uncommon sharks and rays in the Mediterranean Sea using the information from single records or few individuals. The analysis was based on a Bayesian hierarchical method for estimating length–weight relations in fishes that has been recently proposed for data-deficient species or museum collections and uses the prior knowledge and existing LWR studies to derive species-specific LWR parameters by body form. The use of this method was applied to single records of rare and uncommon species and here we report the LWR of 46 uncommon sharks and ray species, 14 of which are first reported LWR at a global scale and 21 are the first reported LWR for the Mediterranean Sea; the remaining 11 species are first time records for the western or eastern Mediterranean regions. Museum collections and sporadic catch records of rare emblematic species may provide useful biological information with the use of appropriate Bayesian methods.

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New Record of Carcharhinus brevipinna (Müller & Henle, 1839) from Mersin Bay, the Northeastern Mediterranean

Cited by 4 publications

References 10 publications

Occurrence of the Young Thresher Shark Alopias superciliosus Lowe, 1841 (Lamniformes: Alopiidae) in the Northeastern Mediterranean Sea

Occurrence of the Young Thresher Shark Alopias superciliosus Lowe, 1841 (Lamniformes: Alopiidae) in the Northeastern Mediterranean Sea

Occurrence of the silky shark, Carcharhinus falciformis (Bibron, 1839) (Carcharhiniformes: Carcharhinidae), from Iskenderun Bay, northeast Levant Sea

Filling in knowledge gaps: Length–weight relations of 46 uncommon sharks and rays (Elasmobranchii) in the Mediterranean Sea

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