Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό. Temperate; 52°N - 51°N
North America: Umpqua and Siuslaw River drainages in Oregon, USA.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 44.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5723); common length : 31.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 12193)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Μαλακές εδρικές ακτίνες: 8. Dorsal fin usually with 9 rays; anal fin with 8 rays; 60-83 scales on back from head to dorsal fin; 66-81, usually 68-75, scales on lateral line; and 16-22 scales above lateral line (Ref. 86798).
Inhabits lakes and pools and sluggish runs of creeks and small rivers (Ref. 86798).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
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 = 0.5625 [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): 2.0 ±0.2 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
