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Melanorivulus modestus (Costa, 1991) |
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photo by
Vermeulen, F. |
| Family: | Rivulidae (Rivulines), subfamily: Rivulinae | |||
| Max. size: | 4 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater; pH range: 6.5 - 7, non-migratory | |||
| Distribution: | South America: Tapajós River basin, Brazil. | |||
| Diagnosis: | Dorsal soft rays (total): 10-11; Anal soft rays: 13-14; Vertebrae: 30-30. Sides of body and unpaired fins of males without dark markings. 31-35 total caudal-fin rays. Body depth always greater than 20.0% SL (Ref 26657). | |||
| Biology: | Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435) | |||
| Threat to humans: | harmless | |||