Family: |
Serrasalmidae (Piranhas and pacus), subfamily: Myleinae |
Max. size: |
58 cm SL (male/unsexed) |
Environment: |
benthopelagic; freshwater |
Distribution: |
South America: Mana, Maroni and Essequibo Basins on the Guiana Shield. |
Diagnosis: |
Dorsal soft rays (total): 20-23; Anal soft rays: 32-34; Vertebrae: 40-41. Presence of a black distal margin well defined on the caudal fin. Dorsal with 20 to 23 branched rays. Anal with 32 to 34 rays. 23 to 29 prepelvic serrae, 5 to 6 supraneurals in front of the dorsal and 39 to 41 + CP1 vertebrae of which 15 to 16 + CP1 behind the last pterygiophore of the dorsal. Elongated body shape (55 to 70% of LS) and the eye diameter is reduced (6.3 to 12.9% of LS). The dorsal base is short (28.8 to 33% of LS). The adipose fin is rectangular and its base is long (4.3 to 6.2% of LS). |
Biology: |
|
IUCN Red List Status: |
Vulnerable (VU); Date assessed: 02 January 2021 (B1ab(iii,v)+2ab(iii,v)) Ref. (130435)
|
Threat to humans: |
harmless |
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