Oxynoemacheilus Bănărescu & Nalbant 1966
Creators: name: Kaya, Cüneyt
name: Turan, Davut
name: Bayçelebi, Esra
name: Kalayci, Gökhan
name: Freyhof, Jörg
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Cypriniformes
Nemacheilidae
Oxynoemacheilus

description: Key to Oxynoemacheilus species from the Göksu, Seyhan, Ceyhan and Orontes rivers, plus coastal drainages within their bounds.
1a Suborbital groove absent in male......................................................................... 2
1b Suborbital groove present in male........................................................................ 5
2a Caudal fin slightly emarginate, almost truncate................................................... O. seyhanensis
2b Caudal fin deeply emarginate or forked.................................................................... 3
3b Lateral line incomplete, terminating anterior to dorsal-fin origin or slightly behind dorsal-fin base............. O. cilicicus
3a Lateral line terminating behind dorsal-fin base, at caudal-fin base in some individuals............................... 4
4a Caudal fin deeply emarginate, length of middle caudal-fin ray 1.2–1.3 times in length of longest unbranched ray in upper caudal-fin lobe; head length 25–27% SL; body depth at dorsal-fin origin 18–20% SL; caudal peduncle depth 1.4–1.6 times in its length................................................................................... O. ceyhanensis
4b Caudal fin slightly forked, length of middle caudal-fin ray 1.3–1.5 times in length of longest unbranched ray in upper caudalfin lobe of; head length 21–24% SL; body depth at dorsal-fin origin 16–20% SL; caudal peduncle depth 1.2–1.4 times in its length....................................................................................... O. namiri
5a A bold upper and lower black blotch or spot on caudal-fin base...................................... O. seyhanicola
5b One bold central blotch or no bold black blotch on caudal-fin base, often an irregularly-shaped black bar at caudal-fin base.. 6
6a A yellowish triangle at upper and lower posteriormost portions of caudal peduncle; caudal peduncle depth 1.4–1.9 times in its length; flank in juveniles with a midlateral series of horizontally elongate blotches, adults with a brown marbled pattern................................................................................................. O. hamwii
6b No yellowish triangles at posteriormost portion of caudal peduncle; caudal peduncle depth 1.9–2.5 times in its length; flank with a midlateral series of irregularly-shaped bars or vertically-elongate roundish or squarish blotches.................. 7
7a Flank posterior to dorsal-fin base and caudal peduncle with a series of bold, usually vertically-elongate, roundish or squarish blotches; blotches on back usually separated from blotches on flank, if connected, reaching slightly below midlateral flank; caudal peduncle depth 2.1–2.5 times in its length.................................................. O. samanticus
7b Flank posterior to dorsal-fin base and caudal peduncle with a series of bold, usually irregularly-shaped bars reaching from dorsal midline almost to ventral midline; caudal peduncle depth 1.7–2.1 times in its length...................... O. evreni
description: Published as part of Kaya, Cüneyt, Turan, Davut, Bayçelebi, Esra, Kalayci, Gökhan & Freyhof, Jörg, 2020, Oxynoemacheilus cilicicus, a new nemacheilid loach from the Göksu River in southern Anatolia (Teleostei: Nemacheilidae), pp. 284-300 in Zootaxa 4808 (2) on page 289, DOI: 10.11646/zootaxa.4808.2.3, http://zenodo.org/record/3933518