Aborichthys verticauda Arunachalam, Raja, Malaiammal & Mayden, 2014

Family:  Nemacheilidae (Brook loaches)
Max. size:  7.75 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Asia: stream joining the Ranga River in the Lower Subanshri district in India.
Diagnosis:  Dorsal soft rays (total): 9-9; Anal soft rays: 6-6. This species can be diagnosed by the following combination of characters: 30-35 narrow vertical bands on body sides; 16 caudal-fin rays; depressed distal end of pectoral fin to pelvic fin origin, less than 1 time of pectoral fin length; distal end of depressed pelvic fin to anal-fin origin, less than equal to pelvic fin length or depressed distal end of pelvic fin to anal fin origin, less than 1 time of pelvic fin length; distance between dorsal and anal fin insertions 24.8-37.2% SL; distance between dorsal-fin origin and pelvic-fin insertion 12.5-14.6%; distance between dorsal-fin origin and pelvic-fin insertion 13-17.3% SL; distance between pelvic-fin insertion to anal-fin origin 25.2-29.3% SL; distance between anal-fin origin and base of caudal fin 21.1-24.6% SL; distance between dorsal-fin origin and anal-fin origin 30.5-34.4 % SL; distance between vent and anal fin origin 18.7-22.4% SL; distance between pectoral fin and vent 38.2-42.3% SL; distance between pelvic fin and vent 8.6-12.6% SL; distance between tip of snout and vent 56.7-61.4 % SL; distance between snout and opercle 70.5-83.6% HL; distance from lower jaw to isthmus 45.1-54.2% HL; dorsal insertion to caudal base 36.5-41.4% SL; occipital to pectoral fin insertion 10.6- 13.4% SL; dorsal-fin base length 11.2-19.6 % SL; anal-fin base length 7.9- 9.0% SL; dorsal-fin base length 7.0-9.1% SL; anal fin base length 7- 9.1 % SL; pre-dorsal length 48.9-53.7% SL; pre-anal length 76.0-82.5% SL; pre-pectoral fin length 20-24.2% SL; pre-pelvic length 48-53.7% SL; pre-occipital length 16.7-20.9% SL; anal-fin height 14.6-17.5% SL; dorsal fin height 9.7-14.8% SL; post-dorsal length 46.5-51% SL; caudal fin length 12.5-14.6% SL; pectoral-fin length 14.6-17.5% SL; pelvic fin length 15.3-18.8% SL; body depth 11.4-14.7% SL; body width 11-13.9% SL; interorbital width 23.4-29.5%; orbit width 14-20.5% HL; peduncle depth 11.0-16.6, % SL; upper jaw length 21-7-27.1% HL; head width 63.7-73.7% HL; head depth at nostril 31.4-39.9% HL; and snout length 39.3-45.1% HL (Ref. 95164).
Biology:  Occurs in a stream with numerous rocks and large boulders. Collected in areas where there are cobbles and sand (Ref. 95164).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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