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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: Cynolebias: Greek, kyon = dog + Greek, odous = teeth + Greek, lebias = a kind of small fish (Ref. 45335).
More on authors: Costa, Lacerda & Brasil.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό; μη μεταναστευτικό(ά). Tropical; 22°C - 26°C (Ref. 13614)
South America: Upper Tocantins River basin in Brazil.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.3 cm SL αρσενικό/απροσδιόριστο; (Ref. 40938); 5.5 cm SL (female)
Μαλακές ραχιαίες ακτίνες (συνολικά) : 17 - 22; Μαλακές εδρικές ακτίνες: 19 - 23. Wide basihyal in both sexes. Females with 1-2 black precaudal blotches. Supraorbital neuromasts 21-22. Dorsal-fin rays 20-22 in males, 17-19 in females; anal-fin rays 21-23 in males, 19-21 in females; caudal-fin rays 33-34. Caudal and pectoral fins rounded. Filamentous rays on anal fin of male lacking. Contact organs on scales of body and head of male present. Snout gently pointed with lower jaw slightly elongated (Ref. 40938).
Bottom spawner, 4 months. Difficult to maintain in aquarium (Ref. 27139).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
αλιεία: Εμπορικό(ά); Ενυδρείο: Εμπορικό(ά)
Εργαλεία
Special reports
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Διαδικτυακές πηγές
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).
Τροφικό Επίπεδο (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).