Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: trifasciatus: The specific epithet trifasciatus refers to the color pattern of the anal fin of males.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Rio Preto, rio São Francisco basin in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.3 cm SL male/unsexed; (Ref. 111470); 2.4 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Occurs in a typical annual pool with many aquatic plants of the genera Echinodorus, Utricularia, and Nymphaea. The pool has about 800 m length and 300 m width, 1.60 m maximum depth, substrate consisting of clay, and transparent and slightly dark color water. This was the only fish species encountered at the pool, which was shared with many aquatic insect larvae and several tadpole species (Ref. 111470).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Nielsen, D.T.B., M. Martins, L.M. de Araujo, F.O. de Lira and A. Four, 2014. Hypsolebias trifasciatus, a new species of annual fish (Cyprinodontiformes: Rivulidae) from the rio Preto, rio São Francisco basin, northeastern Brazil. aqua, Int. J. Ichthyol. 20(3):131-138. (Ref. 111470)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00396 - 0.02008), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±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).