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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Hyphessobryconinae
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335); mapinguari: Name 'mapinguari in reference to Mapinguari, a mythic creature and the guardian of the forest from the Brazilian folklore of the tribes of the Amazon rainforest.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce bentopelágico. Tropical
Sputh America: Brazil.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 3.5 cm SL macho / no sexado; (Ref. 137536)
Descripción breve
Claves de identificación | Morfología | Morfometría
Radios blandos dorsales (total) : 8 - 9; Radios blandos anales: 23 - 27. This species is distinguished by the following set of characters: elongated dorsal fin in adult males; lacking hooks on fins of mature male specimens; dark caudal-peduncle blotch absent; 23-27 branched anal-fin rays; 6-7 teeth in the inner series of the premaxilla; 6-7 longitudinal scale rows between dorsal-fin origin and lateral line; 14 circumpeduncular scales; the inner row of premaxillary teeth tetra- or pentacuspid; red color at the dorsal portion of the iris not reaching the margin of the pupil present; red to orange caudal-peduncle blotch present; dark pigmentation on dorsal-fin interradial membrane present; chevron-shaped bars on the flank absent; six teeth in the inner series of the premaxilla; chalky-white pigmentation at the tip of the first three to six dorsal- and anal-fin rays absent; single, vertically elongated dark humeral blotch with diffuse margins (Ref. 133120).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
This species inhabits streams with slow-flowing, clear water, and minimal riparian vegetation composed of marginal grasses (Ref. 137536).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Pastana, M.N.L, G.M. Dutra, W.M. Ohara, T.F. Teixeira and N.A. Menezes, 2025. Description of a new species of Hyphessobrycon (Characiformes: Acestrorhamphidae) from Rio Madeira, a Greatly Impacted Region of the Amazon Rainforest, Apuí, Brazil. Ichthyol. Herpetol. 113(2):301-312. (Ref. 137536)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: sin interés
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01202 (0.00479 - 0.03019), b=3.09 (2.89 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
2.9 ±0.3 se; based on size and trophs of closest relatives |
Resiliencia (Referencia 120179) |
Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.). |
Vulnerabilidad pesquera (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |