Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar bentopelagis; nir-ruaya. Tropical; 22°C - 26°C (Ref. 13614)
South America: French Guiana.
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 5.0 cm TL jantan/; (Ref. 27139)
Inhabits the banks of streams with little current, shallow and not so sunny, such as forest brooks. Occurs with other Rivulus (except R. geayi and R. ocellatus) as well as with some of Copella, Pyrrhulina, and Lithoxus (Ref. 35237). Not a seasonal killifish. Is very difficult to maintain in aquarium (Ref. 27139). Eggs measure 1.8 mm in diameter. Sexual differentiation is clearly set at two months although the recognition of the sexes is difficult before the age of 4 months when the first reproduction occurs. Proportion of males is far higher than females. Growth is slow (Ref. 35237).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Costa, W.J.E.M., 2003. Rivulidae (South American Annual Fishes). p. 526-548. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36579)
Status IUCN Red List (Ref. 130435: Version 2024-2)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
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).
Trophic level (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Ref.
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
