Klassificering / Namn
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Rivulinae
Etymology: dapazi: The name dapazi in honor of the ichthyologist Ricardo Campos da Paz, the first collector of the new species.
Eponymy: Dr Ricardo Campos da Paz (d: 1963) is a Brazilian evolutionary biologist, zoologist and ichthyologist. [...] (Ref. 128868), visit book page.
More on author: Costa.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten pelagiska. Tropical
South America: upper section of the rio Correntes drainage, rio Paraguay basin, central Brazil.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 3.2 cm SL hane/ej könsbestämd; (Ref. 54355); 2.5 cm SL (female)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Distinguished from all other species of the R. punctatus group in having an anal fin with an orange distal stripe (vs. orange distal stripe absent) and caudal fin with marginalregion dark orange with black ventral outline in males (vs. never a similar pattern). Differs from all other species from the Paraná-Paraguay basin by the combination of the following features: flank with chevron-like red lines (vs.oblique rows of red dots), flank with dark gray stripe along midline (vs. strike absent), and 34-35 scales on the longitudinal series (vs. 30-32 as in all other species of the rio Paraguay basin).
Body shape (shape guide): elongated; Cross section: circular.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Costa, W.J.E.M., 2005. Seven new species of the killifish genus Rivulus (Cyprinodontiformes: Rivulidae) from the Paraná, Paraguay and upper Araguaia river basins, central Brazil. Neotrop. Ichthyol. 3(1):69-82. (Ref. 54355)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00315 - 0.01385), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.4 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).
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