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Squalius valentinus
''Squalius valentinus'', commonly known as the Valencia chub and the Levantine bagra, is a species of freshwater fish in the carp family Cyprinidae.〔Doadrio, Ignacio, and Jose A. Carmona. "Phylogenetic overview of the genus Squalius (Actinopterygii, Cyprinidae) in the Iberian Peninsula, with description of two new species." Cybium 30.3 (2006): 199-214.〕 It was first isolated from the Turia River in Valencia, hence its name. It is considered endangered. This species is differentiated from its cogeneratesa by having eight branched rays in its dorsal fin; eight branched rays in its anal fin; two rows of pharyngeal teeth on both sides possessing 2 and 5 teeth (); a wide caudal peduncle; its number of gill rakers; the number of
scales in its lateral line; the number of scale rows above the latter; by possessing three scale rows below it; by having thirty-nine vertebrae (twenty-two of them abdominal and seventeen of them caudal); showing large 4th and 5th infraorbital bones; a maxilla with a very distinctlt marked anterior process; exhibiting a frontal bone expanded at the middle; a wide neurocranium bone; the lower branch of the pharyngeal bone being robust; a large and narrow urohyal; as well as genetic differences (allozymes).〔
==Description==
''Squalius valentinus'' is a small sized species that is usually shorter than ; its head is large and similar to the maximum body depth. Its preorbital distance is similar to its eye's diameter, exhibiting a long interorbital distance. Its ventral fin is inserted at the origin of the dorsal fin, on its same axis. Its predorsal length is somewhat larger than its preventral length. It possesses a high caudal peduncle. It shows a large fin size, with a pectoral fin that is larger than the height of its dorsal fin.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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