Abstract
Longfin gurnard Chelidonichthys obscurus (Walbaum, 1792) is reported several times from various researchers in the checklist of Turkish marine fishes. However, last three decades, the species is not occurred in the distributional range, comprising the northeastern Mediterranean Sea and Aegean Sea coast of Turkey. It is possibly critically endangered or absent in the Turkish Seas. Moreover, there has no any biological study been carried out on C. obscurus in Turkey. C. obscurus is considered to be critically endangered or regionally extinct in the eastern Mediterranean Sea and Aegean Sea coast of Turkey. This species might be recorded as “Critically Endangered” in the Mediterranean and Aegean Sea coast of Turkey in the IUCN Red List of Threatened Species.
Highlights
In some cases, several fish species have previously been reported from Turkish Seas where essential information is not available to support their occurrence
C. obscurus is first reported from Turkish Seas by Akşıray (1954, 1987) with a key to identification of the species, and it has been added in the Checklist of the marine fishes of Turkey (Geldiay, 1969; Fischer et al, 1987; Mater and Meriç, 1996; Mater and Bilecenoglu, 1999; Bilecenoglu et al, 2002; Fricke et al, 2007) with a distribution in the Mediterranean and Aegean Sea coast of Turkey
Last three decades, C. obscurus is not occurred in the Turkish Seas
Summary
Several fish species have previously been reported from Turkish Seas where essential information is not available to support their occurrence. The family Triglidae is represented by four genus (Chelidonichthys, Trigla, Eutrigla, and Lepidotrigla) with 8 valid species, distributed along the Turkish Seas (Golani et al, 2006, Turan, 2007; Froese and Pauly, 2015).
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