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Ovalentaria/misc (Various families in series Ovalentaria) >
Embiotocidae (Surfperches)
Etymology: Amphistichus: Greek, amphi = on both sides + Greek, stix, -ichos = row (Ref. 45335); rhodoterus: From 'rodoteros' meaning rosy (Ref. 6885).
More on author: Agassiz.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά); Υφάλμυρο βενθικό(ς); εύρος βάθους 0 - 7 m (Ref. 2850). Temperate; 50°N - 34°N, 126°W - 119°W
Eastern Pacific: Vancouver Island, British Columbia, Canada to Avila Beach, central California, USA.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 41.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 2850); μεγ. αναφερόμενη ηλικία: 9 έτη (Ref. 56049)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 9 - 10; Μαλακές ραχιαίες ακτίνες (συνολικά) : 25 - 28; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 28 - 31. Caudal fin broadly forked (Ref. 6885). Generally silvery overlaid lightly with a brassy cast; light green above; sides with a series of about 9 to 11 narrow vertical dark bars, posteriorly, broken and staggered along the lateral line; caudal and anal fins red (Ref. 6885).
Adults are found in sand beaches in surf on exposed coast, sometimes in bays and backwaters (Ref. 2850). Viviparous, female carries the developing young (Ref. 205).
Viviparous, female carries the developing young (Ref. 205).
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
αλιεία: Εμπορικό(ά); αλιεία αναψυχής: ναί; Ενυδρείο: Δημόσια ενυδρεία
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 10.3 - 14, mean 12.1 °C (based on 57 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00848 - 0.02352), b=3.00 (2.85 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.4 ±0.5 se; based on diet studies.
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (tm=3; tmax=9; Fec=39).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).
