Devario interruptus (Day, 1870)
photo by Fang, F.

Family:  Danionidae (Danios), subfamily: Danioninae
Max. size:  6 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: Irrawaddy basin in Yunnan, China.
Diagnosis:  Dorsal soft rays (total): 10-11; Anal soft rays: 12-15; Vertebrae: 34-36. Incomplete lateral line; infraorbital process absent; branched dorsal fin rays 7-8, branched anal fin rays mostly 10-11. Can be distinguished from all other Danio species by the following combinations of characters: a series of short and wide vertical bars or blotches anteriorly on the sides, followed by a horizontal dark P stripe ending at caudal fin base; a short, incomplete lateral line; and barbels absent . The most similar species, D. shanensis, has the lateral line complete or nearly complete (23-32 versus 7017 pored scales), a shorter distance between the cleithral spot and the first vertical bar (2-3 scales versus 0.5-1.0 scale), and deep and thin vertical bars instead of short and wide vertical bars or blotches anteriorly on the sides.
Biology:  Found in a mountain stream with clear, fast running water and a cobble substrate (Ref. 36341).
IUCN Red List Status: Data deficient (DD); Date assessed: 26 March 2011 Ref. (124695)
Threat to humans:  harmless
Country info:   

Entered by: Froese, Rainer - 12.09.97
Modified by: Capuli, Estelita Emily - 04.12.03
Checked by: Torres, Armi G. - 23.05.01

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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