Classification / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Characinae
Etymology: Priocharax: Greek, prio = to saw + Greek, charax, -akos = a fish without identification (Ref. 45335); ariel: Named for Ariel (an airy spirit), in reference to its tiny and translucent nature in its natural habitat..
More on authors: Weitzman & Vari.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό. Tropical
South America: Upper Negro and Orinoco River basins.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 1.5 cm SL αρσενικό/απροσδιόριστο; (Ref. 96862)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Μαλακές ραχιαίες ακτίνες (συνολικά) : 10 - 12; Μαλακές εδρικές ακτίνες: 19 - 24; Σπόνδυλοι: 32 - 34. About 12 or 13 scale rows around narrowest portion of caudal peduncle.
Inhabits still waters of shaded rain forest streams (Ref. 28825).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Weitzman, S.H. and R.P. Vari, 1987. Two new species and a new genus of miniature characid fishes (Teleostei: Characiformes) from northern South America. Proc. Biol. Soc. Wash. 100(3):640-652. (Ref. 28825)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.0 ±0.5 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).