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Review of the genus Paraschistura from Iran with description of six new species

AutorInnen: 
FREYHOF, J., SAYYADZADEH, G., ESMAEILI, H. R., GEIGER, M. F.
Erscheinungsjahr: 
2015
Vollständiger Titel: 
Review of the genus Paraschistura from Iran with description of six new species (Teleostei: Nemacheilidae)
ZFMK-Autorinnen / ZFMK-Autoren: 
Publiziert in: 
Ichthyological Exploration of Freshwaters
Publikationstyp: 
Zeitschriftenaufsatz
Bibliographische Angaben: 
Freyhof, J., Sayyadzadeh, G., Esmaeili, H. R., Geiger, M. F. (2015): Review of the genus Paraschistura from Iran with description of six new species (Teleostei: Nemacheilidae). Ichthyological Exploration of Freshwaters 26(1), 1-48.
Abstract: 

The Iranian species of Paraschistura are reviewed, and diagnoses are presented for all eleven recognized species. Paraschistura bampurensis, P. cristata, P. kessleri, P. nielseni and P. turcmenica are considered valid; P. sargadensis is a synonym of P. kessleri and P. turcomanus is a synonym of P. turcmenica.

Six new species are described. Paraschistura abdolii, new species, from the Sirjan basin and the western tributaries of the Hamun-e Jaz Murian basin is distinguished by having a very slender body and scales restricted to the caudal peduncle and to the back in front of the dorsal-fin origin in few individuals. Paraschistura aredvii, new species, from the Zohreh drainage, is distinguished by having scales on the back, no suborbital flap and the pelvic-fin origin posterior to the dorsal-fin origin. Paraschistura hormuzensis, new species, from the Minab drainage, is distinguished by having scales on the back, a pointed snout and a triangular suborbital flap in males. Paraschistura naumanni, new species, from the Kol drainage, the Mond drainage and the Lake Maharlo basin, is distinguished by having scales on the back, no suborbital flap in males and the pelvic-fin origin below the dorsal-fin origin. Paraschistura pasatigris, new species, from the Karun and Karkheh drainages, is distinguished by having scales on the back and a suborbital flap in males pointed downwards. Paraschistura susiani, new species, from the Jarahi drainage, is distinguished by having scales on the back and a roundish suborbital flap in males.

The presence of an additional undescribed species is suggested from the Mond River drainage by the molecular data presented. All species, except unstudied P. kessleri are also characterized by fixed diagnostic nucleotide substitutions in the mtDNA COI barcode region. Paraschistura Prokofiev, 2009 is given precedence over Metaschistura Prokofiev, 2009.

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