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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical
Sputh America: Brazil.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 3.5 cm SL hane/ej könsbestämd; (Ref. 137536)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 8 - 9; Mjukstrålar i analfenan: 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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 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). |
Trofisk nivå (Ref. 69278) |
2.9 ±0.3 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |