Classification / Names
Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Rivulinae
Etymology: rubromarginatus: Name from Latin 'rubromarginatus' meaning 'with red margin', referring to the red marginal
stripe of caudal, dorsal and anal fins in males, a feature not found in other species of Melanorivulus.
More on author: Costa.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk; djupintervall 0 - 1 m (Ref. 59346). Tropical
South America: Peixe River drainage of the Araguaia River basin in Brazil.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.8 cm SL hane/ej könsbestämd; (Ref. 59346); 2.5 cm SL (female)
Collected in shallow pools and creeks adjacent to a stream which is about 10-20 cm deep; with orange clay bottom, in open vegetation of the Brazilian Cerrado and water was clear, pH 6.2 (Ref. 59346).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Allen, G. and S. Bailey, 2011. Phoenix Islands: Reef fishes of the Phoenix Islands, Central Pacific Ocean. Atoll Res. Bull (589):83-118. (Ref. 59346)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00315 - 0.03034), b=3.03 (2.77 - 3.29), 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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).