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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); koelzi: Named after Walter Koelz, U.S. ichthyologist (Ref. 6885).
Eponymy: Dr Walter Norman Koelz (1895–1989) was an American zoologist, botanist, anthropologist, fisheries biologist and collector whose doctorate was awarded by the University of Michigan (1920). [...] (Ref. 128868), visit book page.
More on author: Hubbs.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino demersale; distribuzione batimetrica 0 - 9 m (Ref. 2850). Subtropical; 49°N - 26°N, 125°W - 112°W
Eastern Pacific: near Cape Flaterry in Washington, USA to northern Baja California, Mexico. Recorded 32 km from the Canadian border (Ref. 6885).
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 31.0 cm TL maschio/sesso non determinato; (Ref. 6885)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 9 - 11; Raggi dorsali molli (totale) : 24 - 28; Spine anali: 3; Raggi anali molli: 26 - 32. Generally silvery overlaid with brassy tones; back bluish or olivaceous; lower head and lower anterior part of body tinged with red; sides with series of brown speckles which form rough narrow vertical bars; pectorals plain, other fins usually reddish (Ref. 6885).
Body shape (shape guide): short and / or deep.
Adults occur usually in sand beaches in surf (Ref. 2850). Viviparous, female carries the developing young (Ref. 205).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: commerciale; Pesce da pesca sportiva: si
Strumenti
Rapporti speciali
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Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01950 (0.00850 - 0.04473), b=2.97 (2.77 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.4 ±0.2 se; based on size and trophs of closest relatives |
Resilienza (Fonte Biblio. 120179) |
Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Assuming tm<5). |
Vulnerabilità della pesca (Ref. 59153) |
Moderate vulnerability (38 of 100). 🛈 |
Categoria di prezzo (Ref. 80766) |
Unknown.
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Nutrienti (Ref. 124155) |
Calcium = 99.2 [54.6, 182.5] mg/100g; Iron = 1.05 [0.59, 1.86] mg/100g; Protein = 18.6 [17.6, 19.7] %; Omega3 = 0.226 [0.132, 0.386] g/100g; Selenium = 15.9 [7.3, 33.7] μg/100g; VitaminA = 12 [3, 41] μg/100g; Zinc = 0.792 [0.546, 1.208] mg/100g (wet weight); |