Genetic Diversity and Cryptic Species Identification of Genus Triplophysa from River Swat in Malakand Division, Khyber Pakhtunkhwa, Pakistan
Table 1
The dichotomous key for genus Triplophysa fishes of Malakand division, Khyber Pakhtunkhwa, Pakistan.
Characteristics
1a
Notochord, hollow nerve cord that lies dorsal to the notochord and pharyngeal pouches ---------------------------------------------------------------------------------phylum: chordata
1a (i)
Having living endoskeleton, advanced nervous system, presence of the spinal cords and vertebrae ---------------------------------------------------------------------------------sub-phylum: vertebrata
1a (ii)
The swim bladder is divided into two chamber, minute, unicellular, horny projections known as unculi are commonly present and an alarm substance that is part of a fright reaction ---------------------------------------------------------------------------------super-order: Ostariophysi
1a (iii)
Generally having flexible leptoid scales, the branchiostegal rays evolved from the bones at the base of the branchial cavity and branchiostegal rays class: Actinopterygii
1a (iii) b
No scales on head. No teeth on jaws. Mostly a single dorsal fin. No spine in pectoral fin -----------------------------------------------------ordercypriniform
Key to families
1a
Barbels six and scales on the body if present are non-prominent rather indistinct---------------------------------------------------------FAMILY NEMACHEILIDAE
Key to genera
1a
Body bears irregular patterens or spots, caudal peduncle long and cylindrical--------------------------------------------------------genus Triplophysa Rendahl
