Abstract
During the survey study, a holo-planktonic gastropod species Janthina globosa Swainson, 1822 was captured for the first time during trawl shootings at 20-30 m depths from the Gulf of Antalya on 24th June 2015. On 15th July 2015, during the underwater diving, a colourful flatworm Prostheceraeus giesbrechtii was observed at the hard substratum depths of 5-7 m near the old Harbour (Antalya) (36o 35’ 5,15’’N; 30o 42’ 1,45’’E). The flatworm was taken to laboratory and photographed. Its length was approximately 2-3 cm and 1-1.5 mm thick. This species is the first record for the Gulf of Antalya, the North-eastern Mediterranean part of Turkey.
Highlights
Marine gastropod species belonging to the family Janthinidae generally show wide range of distribution at Ecuador region (Mienis, 1994)
Pink flatworm P. giesbrechtii is a species of euryleptid flatworm that is native to the Mediterranean Sea and the Eastern Atlantic (Wood, 2015)
According to species identification given by Ramakrishna et al (2007), this gastropod has been determined as Janthina globosa Swainson, 1822
Summary
Marine gastropod species belonging to the family Janthinidae generally show wide range of distribution at Ecuador region (Mienis, 1994). According to Mienis and Spanier (1987) four species of Janthina are present in the Mediterranean Sea: Janthina janthina (Linnaeus, 1758), J. exigua (Lamarck, 1816), J. globosa (Swainson, 1822) and J. pallida (Thompson, 1841). One would surmise that the purple sea snail's body is upside-down while it is in the water.
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