Ceyhan nase
Chondrostoma ceyhanense Küçük, Turan, Güçlü, Mutlu & Çiftci, 2017
First described in: Küçük, F.; Turan, D.; Güçlü, S. S.; Mutlu, A. G.; Çiftci, Y. (2017). Two New Species of Chondrostoma Agassiz, 1832 (Teleostei: Cyprinidae) from the Ceyhan, Seyhan and Göksu Rivers in the East Mediterranean Region of Turkey. <em>Turkish Journal of Fisheries and Aquatic Sciences.</em> 17(4): 795-803.
Descriptions from checklists and floras indexed by GBIF
biology_ecology
Habitat. Moderate to fast-flowing large to medium-sized rivers with rocky or gravelly bottom. Common in reservoirs. Spawns in fast-flowing waters on shallow gravel beds, often in small tributaries. Biology. Lives up to 5 years. First spawns at 2 – 3 years. Spawns April – June (Sır Reservoir, Ceyhan). Feeds on periphyton scraped from hard substrate.
Handbook of Freshwater Fishes of West Asia
diagnosis
Diagnosis. Distinguished from other species of Chondrostoma in Central Anatolia and eastern Mediterranean basin by: ○ 59 − 68 total lateral-line scales / ○ usually 6 – 6 pharyngeal teeth / ○ 8 – 9 ½ branched dorsal rays / ○ 9 − 11 ½, usually 9 ½, branched anal rays / ○ 24 − 29 gill rakers / ○ poorly cornified sheath covering lower lip / ○ back in front of dorsal without keel / ○ keel between anus and posterior pelvic base shallow but well-developed. Size up to 265 mm SL.
Handbook of Freshwater Fishes of West Asia
discussion
Remarks. Chondrostoma ceyhanense, C. kinzelbachi, and C. toros are very closely related to C. regium and are difficult to distinguish. Future research may clarify whether they are better treated as distinct populations of C. regium.
Handbook of Freshwater Fishes of West Asia
In the stacks
Searching the stacks…
Every page naming Chondrostoma ceyhanense in the Biodiversity Heritage Library →
From the GBIF Backbone Taxonomy and occurrence records (GBIF.org), with Wikipedia and the Source Library. GBIF species 11208439.