Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό. Temperate; 35°N - 32°N
North America: Malibu and San Juan creeks, and Los Angeles, San Gabriel, San Luis Rey, Santa Ana, and Santa Margarita River drainages in California, USA. Introduced north to Santa Ynez River and Mojave (Death Valley basin) River drainage in California.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 86798); μεγ. αναφερόμενη ηλικία: 4 έτη (Ref. 12193)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Μαλακές ραχιαίες ακτίνες (συνολικά) : 8; Μαλακές εδρικές ακτίνες: 7. Gila orcuttii can be distinguised by the following characters: lateral line with 48-62 scales; dorsal fin with 8 rays; anal fin with 7 rays; pharyngeal teeth 2,5-4,2; small, slightly subterminal mouth; short, rounded snout; large eye; deep body; deep caudal peduncle; gray-olive above; often a dusky gray stripe along silver side (Ref. 86798).
Inhabits sandy and muddy bottoms of flowing pools and runs of headwaters creeks and small to medium rivers. Often found in intermittent streams (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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00455 - 0.02896), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 2.0 ±0.2 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (tmax=4).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).