Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser demersal; tiefenbereich 0 - 49 m (Ref. 2850). Subtropical; 60°N -
Eastern Pacific: Kodiak Island, Alaska to Point San Carlos, central Baja California, Mexico.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 25.0 cm TL Männchen/unbestimmt; (Ref. 4925); max. veröff. Alter: 8 Jahre (Ref. 56049)
Rückenflossenstacheln (insgesamt) : 16; Rückenflossenweichstrahlen (insgesamt) : 14 - 16; Afterflossenstacheln: 3 - 4; Afterflossenweichstrahlen: 12 - 13; Wirbelzahl: 36 - 39. Dorsal rayed part higher than spinous part. Caudal gently rounded. Anal notched between spinous and rayed parts, well incised (Ref. 6885). Head with scales; one fleshy cirrus above each eye and a pair on the occiput; gill membranes joined, free of isthmus. Body with 7 dark vertical bands. Pelvic fin of moderate length, not reaching the anus (Ref. 48751).
Body shape (shape guide): fusiform / normal.
Found in rocky areas, from the intertidal to 49 m (Ref. 2850). Sleeps on the oral disc, leaving the anemone (Urticina lofotensis) by day but returning every night (Ref. 45560). Commonly encountered hovering motionless by divers (Ref. 2850). Feeds on crustaceans, polychaetes, small mollusks and bryozoans (Ref. 4930). Neither anterolateral glandular grooves nor venom gland is present (Ref. 57406).
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 Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Nutzung durch Menschen
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Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 7.9 - 13.8, mean 10.4 °C (based on 128 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 1.1250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.4 ±0.42 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (tm=2.5; tmax=8; Fec=112,000).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (15 of 100).
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Nährstoffe (Ref.
124155): Calcium = 139 [53, 289] mg/100g; Iron = 1.29 [0.59, 3.09] mg/100g; Protein = 18.5 [16.5, 20.5] %; Omega3 = 0.513 [0.242, 1.348] g/100g; Selenium = 21.1 [11.2, 53.5] μg/100g; VitaminA = 18.4 [6.6, 50.9] μg/100g; Zinc = 0.95 [0.65, 1.46] mg/100g (wet weight);