Issue
zzzAT MORPHOLOGY STOCKS P. brevis is one member of a group of Pyrrhulina species that share certain characters such as a deeper body, a longer maxillary bone with many teeth, and caudal fin lobes of almost equal length. This group includes P. lugubris in Colombia and Venezuela, P. brevis, P. obermülleri, P. spilota and a couple of new species in the upper Amazon in Peru. Marilyn Weitzman, pers. comm., Eschmeyer, 1998:282, Ortega & Vari, 1986:11.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό; pH range: 5.2 - 6.8; dH range: ? - 8. Tropical; 24°C - 28°C (Ref. 2060)
South America: Amazon River basin.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 7.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 37104)
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Weitzman, M. and S.H. Weitzman, 2003. Lebiasinidae (Pencil fishes). p. 241-251. 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. 37104)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00396 - 0.02410), b=3.19 (2.98 - 3.40), 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
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
