رده بندی / Names
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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.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي نزديك كف زي; تغييرات عمق 0 - 6 m (Ref. 39697). Tropical
Eastern Central Pacific: Nayarit, Mexico and Golfo de Nicoya, Costa Rica.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 5.5 cm SL جنس نر / بدون خواص جنسي; (Ref. 39697)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
خارهاي باله پشتي (کل) : 8 - 10; شعاع نرم باله پشتي (کل) : 28 - 31; شعاع نرم باله مخرجي: 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).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-2)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
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).
Trophic level (Ref.
69278): 4.3 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
