Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Rivulinae
Etymology: Neofundulus: Greek, neos = new + Latin, fundus = bottom; a peculiar name for a topminnow, coined for a bottom species of Atlantic coast being "the abode of the fundulus mudfish" (Ref. 45335); rubrofasciatus: Name from the Latin rubrofasciatus, meaning with red stripes, in reference to the red stripes on the caudal peduncle and anal-fin base in males.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Miranda river drainage in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.6 cm SL male/unsexed; (Ref. 101435); 3.4 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Inhabits two localities in the Miranda river drainage, both comprising shallow seasonal pools, about 50 cm in the deepest places, with dense aquatic vegetation, in areas highly exposed to sunlight (Ref. 101435).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Costa, W.J.E.M., 2015. Taxonomy of the seasonal killifish genus Neofundulus in the Brazilian Pantanal (Cyprinodontiformes: Rivulidae). Vert. Zool. 65(1):15-25. (Ref. 101435)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).