Laubuka insularis Pethiyagoda, Kottelat, Silva, Maduwage & Meegaskumbura, 2008
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Family:  Danionidae (Danios), subfamily: Danioninae
Max. size:  5.88 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater; depth range 70 - 185 m
Distribution:  Asia: rivers and streams draining the northeast foothills of the Knuckles Range in Sri Lanka.
Diagnosis:  Diagnosed from all congeners by the combination of the following characters: lateral line complete with 34-36 + 1-2 pored scales; ½ 6/1/ 2½ scales in transverse line on body, ½4/1/1½ on caudal peduncle. Additional distinguishing characters include: body slender, depth 26.0-28.8% SL; pelvic fin length 27.9-31.9% SL, reaching base of branched anal rays 3-8; lower jaw densely tuberculated over dentary, tuberculation extending backwards beyond level of anterior orbit (Ref. 75997). Description: Dorsal fin with 2 simple and 8½ or 9½ branched rays; anal fin with 3 simple and 17½ - 19½ branched rays; pectoral fin with one unbranched and 10 or 11 branched rays; pelvic fin with one unbranched and 5 branched rays (Ref. 75997).
Biology:  Occurs in rivers and streams (Ref. 75997). The type locality, Kalu Ganga, has a gravel-pebble bed with fast-flowing water strewn with boulders (Ref. 75997). Sympatric with other cyprinids such as Puntius srilankensis, Puntius martenstyni and Labeo fisheri (Ref. 75997).
IUCN Red List Status: Endangered (EN); Date assessed: 07 August 2019 (B1ab(iii)+2ab(iii)) Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Torres, Armi G. - 18.06.08
Modified by: Torres, Armi G. - 20.08.14

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