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Blenniiformes (Blennies) >
Dactyloscopidae (Sand stargazers)
Etymology: Myxodagnus: Greek, myxos = mucus + Greek, agnos = pure (Ref. 45335); walkeri: Named after Boyd W. Walker in recognition of his fieldwork which produced much of the present material and many other eastern Pacific dactyloscopids (Ref. 39697).
Eponymy: Professor Dr Boyd Wallace Walker (1917–2001) was an American fisheries biologist; ultimately Professor Emeritus of Zoology-Fisheries at the University of California, Los Angeles, where he worked for over three decades (1949–1980). [...] (Ref. 128868), visit book page.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino demersal; rango de profundidad 0 - 6 m (Ref. 39697). Tropical
Distribución
Territorios | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Mapa de puntos | Introducciones | Faunafri
Eastern Central Pacific: Nayarit, Mexico and Golfo de Nicoya, Costa Rica.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 5.5 cm SL macho / no sexado; (Ref. 39697)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 8 - 10; Radios blandos dorsales (total) : 28 - 31; Radios blandos anales: 33 - 38. Preorbital length longer than diameter of pigmented eye; upper lip fimbriae usually 10-11; modally 2 pores in 1st preopercular canal; dorsum of head mainly speckled with small brown spots, without large blotches or spots; without a distinct suborbital bar or prominent blotches on lower jaw (Ref. 39697).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Dawson, C.E., 1976. Studies on eastern Pacific sand stargazers 3. Dactylagnus and Myxodagnus, with description of a new species and subspecies. Copeia 1976(1):13-43. (Ref. 39697)
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
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Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 4.3 ±0.6 se; based on size and trophs of closest relatives
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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