the summer and rear their young in the Propontis (Sea of Marmara) and winter in the Aegean" (Historia Animalium, translated by Cresswell, 1878).Given the historical and geographical importance of the Sea of Marmara and Black Sea, many ancient naturalists dealt specifically with the fishery activities in Abstract: The current status of marine fishes distributed along the Turkish coasts is reviewed and an updated checklist including 512 species is presented. In this study, 5 species are recorded for the first time from Turkey (
In summer 1997, the stomach contents of 235 red pandora collected by bottom trawl from Hisarönü Bay in the southern Aegean coast of Turkey, were analysed. It was observed that red pandora is predominantly a diurnal feeder. More intensive feeding started in the afternoon, reaching its maximum value in the evening and continued until dusk. The minimum feeding intensity occurred during the night. The diet was found to consist primarily of polychaetes, especially Glyceridae, and crustaceans, mainly Natantia. No significant diel variation was observed in the diet composition of red pandora.
In this study, ichthyoplankton samples collected during the July 1998 cruise of the R/V K. Piri Reis in the Northern Cyprus marine areas were evaluated. Samples were collected at 40 stations at 300-1200 m depth and yielded 73 eggs and 160 larvae in total belonging to 24 fish families including Clupeidae, Engraulidae, Gonostomatidae, Sternoptychidae, Chloropthalmidae, Paralepididae, Synodontidae, Myctophidae, Holocentridae, Triglidae, Carangidae, Sparidae, Mullidae, Labridae, Gobiidae, Trichiuridae and Soleidae. Among the deep marine species, Myctophiformes and Stomiiformes were the most important orders ranking first (29%) and second (12%), respectively. Anchovy eggs ranked first in the catch (49%; but with 28% dead), and Engraulidae 22%. Clupeidae also were abundant (11%), and Lessepsian (Etrumeus teres) and (Sargocentrum rubrum) larvae were reported from these waters for the first time. The important result of the present study is that pelagic fish sources in the area are dominant compared to the demersal fish species known previously.Keywords: Ichthyoplankton, fish, eggs and larvae, Northern Cyprus, Eastern Mediterranean. Kuzey Kıbrıs Denizel Alanında Yaz Dönemi İhtiyoplankton Dağılımı ÖzetBu çalışmada,Kuzey Kıbrıs denizel alanında Temmuz 1998 boyunca R/V K. Piri Reis gemisiyle 300-1200 m derinliklerde toplanmış örnekler değerlendirilmiştir. Toplam 24 balık familyasına ait 73 yumurta ve 160 larva tanımlanmıştır.Bu familyalar Clupeidae, Engraulidae, Gonostomatidae, Sternoptychidae, Chloropthalmidae, Paralepididae, Synodontidae, Myctophidae, Holocentridae, Triglidae, Carangidae, Sparidae, Mullidae, Labridae, Gobiidae, Trichiuridae ve Soleidae'ye aittir. Derin deniz türleri arasında Myctophiformes (%29) ve Stomiiformes (%12) sırasıyla birinci ve ikinci sırada gelen en önemli grupları oluşturmuştur. Engraulidae larvaları tüm larval dağılım içerisinde %22'lik payla ikinci sıradadır. Hamsi yumurtaları %49'luk payla dağılımda birinci sırada olmakla beraber %28'i ölüdür. Clupeid türleri önemli yoğunluktadır (%11). Lesepsiyen Etrumeus teres, Sargocentrum rubrum larvaları bu sulardan ilk kez rapor edilmiştir. Pelajik balık kaynaklarının daha önceden bilinen demersal balıklara oranla alanda dominant oluşu bu çalışmanın önemli bir sonucudur.Anahtar Kelimeler: Ihtiyoplankton, balık, yumurta ve larva, Kuzey Kıbrıs, Doğu Akdeniz.
Inner Bay of Izmir was an important "point of pollution" in terms of domestic and industrial pollution of Mediterranean region at the end of 1990s. From the beginning of 2000s, however, positive effects on all of the groups of living organisms in the marine ecosystem has begun to be seen as a consequence of avoidance of the pollutants. As a result of evaluation on seasonal surface plankton samplings between 2000 and 2005, present study related to the species abundance, distribution evaluated with the abiotic environmental variables such as temperature, salinity and dissolved oxygen. Spawning situation has been demonstrated and compared with the previous studies in the Inner İzmir Bay fishes. During the study period, a total of 8727 eggs and 273 larvae were examined. 7 species of eggs and 13 species of larvae were determined. Availability rate of the species tended to increase from the spring to the summer seasons. The dominant species in the Inner Bay is Engraulis encrasicolus (Linnaeus, 1758), being responsible for 98% the eggs and 51% of the larvae. 6.59% of the obtained eggs, however, were found be dead. Being one of the other small pelagic species, Sardina pilchardus (Walbaum, 1792) continues to lay eggs at very low levels. Parablennius gattorugine (Linnaeus, 1758) larvae (12%), Gobius niger Linnaeus, 1758 (11%), and Salaria pavo (Risso, 1810) (9%) are other important species in the region. At the lowest level of dissolved oxygen E. encrasicolus, Callionymus pusillus Delaroche, 1809, Buglossidium luteum (Risso, 1810) eggs and larvae of G. niger, Blennius ocellaris Linnaeus, 1758, Parablennius tentacularis (Brünnich, 1768) 1.68 mg/L were found. The fact that Blenniidae larvae were detected again at high level in the Inner Bay was found to be related to increased rate of light transparency. Part of the Inner Bay of İzmir that is richest in eggs-larvae is south of the middle part (offshore of Çakalburnu Lagoon) and the part that is richest in larvae is Yenikale Lighthouse located on outer part of the Bay. The weak currents which start from Yenikale Lighthouse doesn't much effect to eggs and larval drift.
Diel feeding pattern of red mullet in the Hisarönü Bay was studied from samples collected by bottom trawl during a 24-h period in the summer of 1997. Feeding activity of red mullet commenced at dawn and reached its maximum value at noon. During the period between noon to early evening, feeding intensity slowed down and then showed a small increase towards sunset. After sunset, the feeding activity nearly stopped and fish with empty stomachs increased. At night almost all stomachs were empty. Polychaetes, decapods, bivalves and amphipods were the major prey groups in the diet of red mullet and no significant diel variations were observed in the relative importance of these groups.
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