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Perciformes/Cottoidei (Sculpins) >
Agonidae (Poachers) > Bothragoninae
Etymology: Bothragonus: Greek, bostrykos = cure of lack of hair + Greek, gono = birth (Ref. 45335); swanii: Named after James G. Swan of Port Townsend, Washington (Ref. 6885).
Eponymy: James Gilchrist Swan (1818–1900) of Port Townsend, Washington, was an anthropologist, judge, political advisor, artist and schoolteacher, as well as being an Indian Agent and ethnologist and one of the most colorful personalities of Washington State [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino demersal; rango de profundidad 0 - 18 m (Ref. 2850). Temperate; 60°N - 35°N, 155°W - 121°W
Eastern Pacific: Kodiak Island, Alaska to Carmel Bay, Monterey County, California, USA (southernmost range confirmed by J.R. Wolfe, pers. comm. 09/02).
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 8.9 cm TL macho / no sexado; (Ref. 2850)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 2 - 5; Radios blandos dorsales (total) : 4 - 5; Espinas anales: 0; Radios blandos anales: 4 - 5; Vértebra: 32. Dorsal fins small; caudal fin rounded; pectoral fins large, supported well out from sides of body; pelvic fins very narrow and rays appear fused (Ref. 6885). Color very variable, depending on background; brown with dark bars, orange with bluish bars, or scarlet with brown bars (Ref. 6885).
Body shape (shape guide): fusiform / normal.
Inhabits intertidal areas and to 18 m depth (Ref. 2850). Frequently caught in tide pools (Ref. 28197). Its food consists mainly of tiny crustaceans (shrimp and crab-like creatures) which are picked from the bottom or very close to it (Ref. 4930). Demersal spawner in nearshore habitats (Ref. 56049).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Demersal spawners.
Kanayama, T., 1991. Taxonomy and phylogeny of the family Agonidae (Pisces: Scorpaenifomes). Mem. Fac. Fish. Hokkaido Univ. (38)1-2:1-199. (Ref. 28197)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Nivel trófico (Referencia 69278) |
3.6 ±0.59 se; based on food items. |
Resiliencia (Referencia 120179) |
Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.). |
Vulnerabilidad pesquera (Ref. 59153) |
Low vulnerability (20 of 100). 🛈 |