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Blenniiformes (Blennies) >
Dactyloscopidae (Sand stargazers)
Etymology: Dactyloscopus: Greek, daktylos = finger + Greek, skopein = to look (Ref. 45335).
Eponymy: Major and Mrs Joseph Byers The etymology says: “I take pleasure in naming this species after Major and Mrs. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي نزديك كف زي; تغييرات عمق 0 - 2 m (Ref. 58018). Tropical
Eastern Pacific Ocean from Mexico south of the Gulf California to Panama.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 5.0 cm NG جنس نر / بدون خواص جنسي; (Ref. 37955)
شعاع نرم باله مخرجي: 31 - 35. Dactyloscopus byersi differs from Dactyloscopus heraldi in a number of features: one row of scales above the curved portion of the lateral line (vs. none); A 31-35, modally 34 (vs. 29-33, modally 32); upper lip fimbriae 13-18, modally 15 (vs. 11-14, modally 12); preopercular sensory pores increases in number with size, but more present in D. byersi of comparable sizes; chevron markings prominent on the side posteriad (vs. weak or absent) and absence of dark bars on the dorsum (vs. present) (Ref. 82814).
Feeds on small fishes and invertebrates (Ref. 37955).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
De la Cruz Agüero, J., M. Arellano Martínez, V.M. Cota Gómez and G. de la Cruz-Agüero, 1997. Catalogo de los peces marinos de Baja California Sur. IPN-CICIMAR, La Paz, Mexico. P. 346. (Ref. 37955)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (Ref.
123201): 22.3 - 29.1, mean 26.4 °C (based on 177 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [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): 4.0 ±0.62 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
