''[[Diaphorodoris]] olakhalafi'' is a [[species]] of [[sea slug]], a [[dorid]] [[nudibranch]], a shell-less [[marine]] [[gastropod]] [[mollusc]] in the family [[Calycidorididae]].
==Distribution==
The species ''Diaphorodoris olakhalafi'' lives in [[Khorfakkan]] Sea, eastern coast of the [[United Arab Emirates]], and the eastern coast of the [[Musandam]] Sea, [[Sultanate of Oman]], [[Gulf of Oman]], [[Arab Sea]], [[Indian Ocean]].
==Description==
Length of ''Diaphorodoris olakhalafi'' is about 5 mm. General body-colour is [[white]]. Body elongate-elliptical, bluntly rounded at both ends. The white [[mantle]] is ovate with the [[posterior]] end of the foot extending behind the end of the mantle. Foot produced behind in a fairly long [[tail]], the anterior end abruptly rounded and simply labiate. The [[mantle]] is covered sparsely with small [[conical]] [[tubercles]] and the five or six [[gills]] are attached in a common pocket. The colour of the [[conical]] [[tubercles]] is [[white]] or [[yellow]]. [[Oral]] [[tentacles]] broad lobiform, with a slit-like mouth between them. The [[gills]] and [[rhinophores]] are [[orange]]-[[red]]. [[Rhinophore]]-sheath with smooth margin. [[Branchial]] plumes 5 - 6, small, simply pinnate, completely retractile within a cavity with smooth margin. [[Integument]] with spicules. There is a distinctive [[yellow]] band at the edge of both the mantle and the foot.
==Diet==
This species feeds on encrusting colonial [[bryozoans]].
==Habitat==
''Diaphorodoris olakhalafi'' was found in [[sea water]] in a depth between 2 – 20 [[meters]].
==Etymology / Derivation of the Scientific Name==
The scientific name ''Diaphorodoris'': Diaphanous Doris. From Medieval Latin diaphanus, from Greek diaphanēs, from dia ‘through’ + phainein ‘to show’. Doris in [[Greek mythology]], wife of [[Nereo]], nymph of the waters and mother of [[Nereids]]; and ''olakhalafi'' is Latin for the Diver and [[Underwater]] [[Photographer]] 'Ola Khalaf' (born 1975).
This [[Khorfakkan]] [[Nudibranch]] [[species]] was classified and named by the [[Palestinian]]-[[German]] [[Zoologist]] Prof. Dr. Norman Ali Bassam Khalaf in May 2017, and the [[specific name]] ''olakhalafi'' was named after his [[wife]] 'Ola Mostafa Esmail Khalaf'. It was a special gift after 20 years of [[marriage]].
==References==
Khalaf-Sakerfalke von Jaffa, Prof. Dr. Sc. Norman Ali Bassam Ali Taher Mohammad Ahmad Mostafa & Ola Mostafa Esmail Mostafa Khalaf (2017). ''Diaphorodoris olakhalafi'' Khalaf, 2017 : A New Dorid Nudibranch Sea Slug Species from the Sea of Khorfakkan, Gulf of Oman, Arab Sea, Indian Ocean. Gazelle: The Palestinian Biological Bulletin. ISSN 0178 – 6288. Number 149, May 2017, pp. 31-47. Dubai and Sharjah, United Arab Emirates. http://marine-life-uae.webs.com/diaphorodoris-olakhalafi
Ola Khalaf’s Nudibranch (''Diaphorodoris olakhalafi'' Khalaf, 2017). EOL: Encyclopedia of Life. http://eol.org/collections/131000
Species Khorfakkan White Dorid Nudibranch (''Diaphorodoris olakhalafi'' Khalaf, 2017). BioLib.cz. Biological Library Classification. http://www.biolib.cz/en/taxon/id1222805/
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