Callechelys cliffi

{{Short description|Species of fish}}

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| genus = Callechelys

| species = cliffi

| authority = J. E. Böhlke & Briggs, 1954

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Callechelys cliffi, the sandy ridgefin eel,[http://www.fishbase.org/comnames/CommonNamesList.php?ID=13902&GenusName=Callechelys&SpeciesName=cliffi&StockCode=13877 Common names of Callechelys cliffi] at www.fishbase.org. is an eel in the family Ophichthidae (worm/snake eels).[http://www.fishbase.org/summary/Callechelys-cliffi.html Callechelys cliffi] at www.fishbase.org. It was described by James Erwin Böhlke and John Carmon Briggs in 1954.Böhlke, J. E. and J. C. Briggs, 1954 (23 Aug.) [ref. 12335] Callechelys cliffi, a new ophichthid eel from the Gulf of California. Stanford Ichthyological Bulletin v. 4 (no. 4): 275-278. It is a marine, tropical eel which is known from the eastern central Pacific Ocean, including Mexico and Panama. It dwells at a depth range of {{convert|0|to|30|m|ft}}, and inhabits sand sediments. Males can reach a maximum standard length of {{convert|45.5|cm|in}}.

The species epithet "cliffi" refers to Frank S. Cliff. Due to there being an extremely limited number of known specimens, and thereby a lack of information on the species' distribution and population, threats and habitat requirements, the IUCN redlist currently lists the Sandy ridgefin eel as Data Deficient.[http://www.iucnredlist.org/details/183546/0 Callechelys cliffi] at the IUCN redlist.