Ichthyoplankton fauna of the Göksu River delta and its’ vicinity

Yeşim AK ÖREK, Zahit UYSAL

Abstract

Species identification and distribution of fish egg and larvae have been studied seasonally during the period October 2017 – July 2018 in Çukurova basin within the scope of the Project  “Impacts of Hydroelectrical Power Plants (HPP) to marine ecosystems” (TÜBİTAK 1001 Project no 116Y125). In addition to fish egg and larval dispersal, changes in fish diversity, spawning area as well as the spawning period in time have been clarified. Egg, pre and post-larvae of total number of 102 taxa belonging to 37 family (teleostei, boney fish) have been recorded throughout the study period. Ichthyoplankton of total 24 deep fish species have been also noted. While ichthyoplankton was found most abundant during July 2018, fish population diversity was highest during April 2018 (total 59 fish species) followed by June-July 2018 (55 fish species), October 2017 (29 fish species) and February 2018 (24 fish species). Scombrid species of Auxis rochei, Euthynnus alletratus, Katsuvanus pelamis, Thunnus alalunga ve Thunnus thynnus with high commercial value have been registered in the area between Erdemli-Taşucu during summer. Overall, to an egg and larvae of epipelagic, mesopelagic and bathypelagic species were met in the study area.

Keywords

Ichthyoplankton, Fish larvae, Egg, Distribution, Göksu Delta

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References

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