scholarly journals Occurrence of Bluntnose Sixgill Shark Hexanchus griseus (Bonnaterre, 1788) in Yeşilovacık Bay, Northeastern Mediterranean

2019 ◽  
pp. 1-7
Author(s):  
Deniz Ayas ◽  
Deniz Ergüden ◽  
Nuray Çiftçi ◽  
Mısra Bakan
Keyword(s):  
Mediterranean Sea ◽  
Eastern Mediterranean ◽  
Mediterranean Coast ◽  
Shark Species ◽  
Female Specimen ◽  
The West ◽  
Protection Measures ◽  
Total Length ◽  
Iskenderun Bay ◽  
Specific Conservation

Aims: In this study, an individual of H. griseus was caught from the Mersin Bay and this ichthyologic note presents a new female record of H. griseus for Mersin Bay, Mediterranean coast of Turkey. This study aims to contribute to the chronological records of the species in the Mediterranean Sea. Place and Duration of Study: Yeşilovacık bay is a small bay in the west of Mersin Bay. Yeşilovacık bay which lies at approximately 36°07’n latitude, 33°37’e, longitude and about 143 km Western of in Mersin province, Turkey. Sample: On 19 March 2018 blunthose sixgill shark specimen was measured and then deposited in the Museum of the Systematic, Faculty of Fisheries, University of Mersin. Methodology: A female specimen of H. griseus with a total length (TL) of 350 cm (400 kg) was captured by a commercial trawl at a depth around of 280 m of the Yeşilovacık Bay (Northeastern Mediterranean Sea), Turkey. Total length was measured to the nearest 1 mm and the weight of the specimen was determined to the nearest kilogram. Results: Measurements of the specimen are presented and compared with the previous records of H. griseus in the Eastern Mediterranean coast of Turkey (Iskenderun Bay), which are given in Table. The identification was carried out according to the previous report. Conclusion: To date specific conservation measures are not known for this species for the Northeastern Mediterranean coast of Turkey. Thus, the effect of coastal fishery for sharks should be regularly monitored and protection measures should be taken in this region in order for this shark species to continue their conservation for the next generation.

Age and growth of the common guitarfish, Rhinobatos rhinobatos, in Iskenderun Bay (north-eastern Mediterranean, Turkey)

2008 ◽  
Vol 88 (4) ◽  
pp. 837-842 ◽  
Author(s):  
Nuri Başusta ◽  
Sefa Ayhan Demirhan ◽  
Erdoğan Çiçek ◽  
Asiye Başusta ◽  
Tuncay Kuleli
Keyword(s):  
Eastern Mediterranean ◽  
Growth Curves ◽  
Mediterranean Coast ◽  
Age And Growth ◽  
Pooled Data ◽  
Total Length ◽  
The North ◽  
North Eastern ◽  
Iskenderun Bay ◽  
The Common

Age and growth of the common guitarfish (Rhinobatos rhinobatos) were estimated from the north-eastern Mediterranean coast of Turkey. A total of 115 common guitarfish (66 females and 49 males) were sampled. Age determinations were carried out using vertebral sections. Alcian blue dying techniques were used to enhance the visibility of the band on vertebrae. The techniques have been used for the first time on elasmobranchs vertebrae successfully in this study. A total of 97 vertebrae of 115 were visible on the vertebral band in this study. Male and female common guitarfish ranged in age from 1 to 15 and 1 to 24 y respectively. Total length ranged from 42 to 147 cm for females and 39 to 124 cm for males.The relationships between total length (TL) and total weight (TW) were presented as TW = 0.0014*TL3.1672 (R2 = 0.98) for females, TW = 0.0012*TL3.1947 (R2 = 0.98) for males and TW = 0.0012*TL3.1915 (R2 = 0.98) for both sexes. The parameters for von Bertalanffy growth curves were estimated as Linf  = 137.70±9.38 cm, K = 0.159±0.047, to = −2.180 ± 0.90 for pooled data.

New record of the European Finless Eel Apterichtus caecus from Iskenderun Bay, eastern Mediterranean Sea

2017 ◽  
Vol 63 (4) ◽  
pp. 374-376
Author(s):  
Deniz Erguden ◽  
Servet Ahmet Doğdu ◽  
Ali Uyan ◽  
Mevlut Gurlek ◽  
Cemal Turan
Keyword(s):  
Mediterranean Sea ◽  
New Record ◽  
Eastern Mediterranean ◽  
Eastern Mediterranean Sea ◽  
Iskenderun Bay

scholarly journals Concern about the spread of the invader seaweed Caulerpa taxifolia var. distichophylla (Chlorophyta: Caulerpales) towards the West Mediterranean

2014 ◽  
Vol 15 (3) ◽  
pp. 532 ◽  
Author(s):  
L. MUSCO ◽  
F. ANDALORO ◽  
B. MIKAC ◽  
S. MIRTO ◽  
T. VEGA FERNADEZ ◽  
...  
Keyword(s):  
Mediterranean Sea ◽  
Mediterranean Coast ◽  
Winter Temperature ◽  
Caulerpa Taxifolia ◽  
Central Mediterranean ◽  
The West ◽  
Western Basin ◽  
Invasive Algae ◽  
Preliminary Estimation ◽  
Geographical Position

The new Australian alien seaweed Caulerpa taxifolia var. distichophylla, after being established along the Turkish Mediterranean coast in 2006, was recorded in Southern Sicily in 2007. Since then local fishermen claimed support to counteract the effects of entanglement of large amounts of the alien strain wrack in their trammel nets, causing the gear to become ineffective. The further northward and westward spread of the new alien strain is supposed to be limited by winter temperature. We present novel data confirming that the new alien strain is fully naturalized in Central Mediterranean and is expanding its range beyond such limit (i.e. the 15°C February isotherm), thus becoming potentially able to colonize the western basin. By means of a preliminary estimation of effects on native polychaete assemblages, and considering some peculiarities of Sicily (mostly linked to its geographical position in the Mediterranean Sea), the risk linked to the increasing range of distribution of the invasive algae is highlighted.

scholarly journals New records of amphipod crustaceans along the Israeli Mediterranean coast, including a rare Mediterranean endemic species, Maera schieckei Karaman & Ruffo, 1971

2020 ◽  
Vol 8 ◽  
Author(s):  
Sabrina Lo Brutto ◽  
Davide Iaciofano
Keyword(s):  
Mediterranean Sea ◽  
Mediterranean Basin ◽  
Eastern Mediterranean ◽  
Aegean Sea ◽  
Western Mediterranean ◽  
Mediterranean Coast ◽  
Tyrrhenian Sea ◽  
Western Mediterranean Basin ◽  
The Mediterranean ◽  
Distribution And Ecology

A survey has been carried out at four Israeli rocky sites to evaluate the diversity of the amphipod fauna on various hard substrates, still scarcely monitored, as potential pabulum for amphipod crustacean species. A survey of shallow rocky reefs along the Mediterranean coast of Israel recovered 28 species and integrated the Amphipoda checklist for the country ofIsrael with 12 newly-recorded species. Such renewed national list includes Maera schieckei Karaman & Ruffo, 1971, a rare species endemic to the Mediterranean Sea, recorded here for the first time from the southern Levant Basin. The species, described from specimens collected in the Tyrrhenian Sea in 1970, has been only recorded eight times within the whole Mediterranean Sea. A revision of the bibliography on the distribution and ecology of M. schieckei showed that, although mentioned only for the western Mediterranean basin by some authors, it is listed in the checklist of amphipods of the Aegean Sea and neighbouring seas and has been found in the eastern Mediterranean basin since 1978. Maera schieckei was rarely found in the Mediterranean, one of the most studied marine biogeographic region as concerns the amphipod fauna; and the species seems to prefer bays or gulf areas. The role of updating and monitoring faunal composition should be re-evaluated.

First report of Laurencia chondrioides (Ceramiales, Rhodophyta) and its potential to be an invasive in the eastern Mediterranean Sea

2014 ◽  
Vol 57 (6) ◽  
Author(s):  
Razy Hoffman ◽  
Marcelo Sternberg ◽  
Donatella Serio
Keyword(s):  
Mediterranean Sea ◽  
Eastern Mediterranean ◽  
Marine Species ◽  
Mediterranean Coast ◽  
Red Seaweed ◽  
Eastern Mediterranean Sea ◽  
First Report ◽  
First Occurrence ◽  
The Mediterranean ◽  
Invasive Marine Species

AbstractThe Mediterranean coast of Israel is well known as a hotspot of invasive marine species, mostly from the Indian and Pacific oceans. Here, we report the first occurrence of the red seaweed

scholarly journals Phytoplankton assemblage Characterization along the Mediterranean coast of Morocco during autumn

2020 ◽  
pp. 547-556
Author(s):  
Hajar IDMOUSSI ◽  
Laila SOMOUE ◽  
Karim HILMI ◽  
Omar Ettahiri ◽  
Tarik BAIBAI ◽  
...  
Keyword(s):  
Mediterranean Sea ◽  
Mediterranean Coast ◽  
Phytoplankton Assemblage ◽  
The West ◽  
The Mediterranean ◽  
Abundance And Diversity

The present study aimed to assess the composition, abundance and diversity of phytoplankton assemblage along the Moroccan Mediterranean Coast. Phytoplankton samples were collected in October 2018 at 48 stations from M’diq bay in the West to Saïdia in the East. 92 taxa have been inventoried, belonging to five groups. Diatoms dominate qualitatively and quantitatively (85.5%), followed by dinoflagellates (12%). Phytoplanktonic diversity and abundance was pronounced in the western part of Moroccan Mediterranean Sea, especially (from Jebha to M’diq) because of the influence of the Atlantic flow.

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