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Hypsolebias gongobira Abrantes, Ramos, Bento & Lima, 2023 |
| Family: | Rivulidae (Rivulines), subfamily: Cynolebiinae | |||
| Max. size: | 4.48 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: Brazil. | |||
| Diagnosis: | Dorsal soft rays (total): 16-23; Anal soft rays: 21-24; Vertebrae: 28-28. This species is distinguished from its congeners by the following set of characters: number of longitudinal series scales 33; vertical grey bars on body side in males absent, visible in live specimens; reduced number of opaque white dots on body in males; number of neuromasts in preopercular series 15; transverse series scales 12; short filaments on anal fin in adult males; rows of scales in caudal peduncle series 14; four short black filaments at tip of dorsal and anal fins in males; pelvic fin rays 5; contact organs absent in lateral body and between pectoral-fin rays; number of dorsal-fin rays 22-23, and anal-fin rays 23-24, in males; sides of body light brownish grey in males; number of preopercular neuromasts 15; dark green caudal fin; opaque blue distal stripe on caudal fin; iridescent transverse scales in males present; head depth in males 68.2-86.8% HL; head width 53.7-62.2% HL; and snout length 16.2-26.2% HL (Ref. 137857). | |||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||