Parambassis bistigmata Geetakumari, 2012

Family:  Ambassidae (Asiatic glassfishes)
Max. size:  4.12 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: Ranga River and Umtrao River of the Brahmaputra drainage in India.
Diagnosis:  Dorsal spines (total): 8-8; Dorsal soft rays (total): 11-12; Anal spines: 3-3; Anal soft rays: 11-12; Vertebrae: 25-25. Distinguished from all other species of the genus Parambassis by having the following characters: two distinct black spots on either side of the anal-fin origin, connected by a narrow black curved line; a well developed pre-orbital edge with prominent, acute spines, partially obscuring the maxilla; dorsal and ventral side of caudal peduncle each with a black longitudinal stripe; and a vague, faint, vertically-elongate humeral spot (Ref. 90117).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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