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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.
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
marinhas demersal; intervalo de profundidade 0 - 2 m (Ref. 58018). Tropical
Eastern Pacific Ocean from Mexico south of the Gulf California to Panama.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 5.0 cm NG macho/indeterminado; (Ref. 37955)
Raios anais : 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).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimativas baseadas em modelos
Temperatura preferida (Ref.
123201): 22.3 - 29.1, mean 26.4 °C (based on 177 cells).
Índice de diversidade filogenética (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).
Nível Trófico (Ref.
69278): 4.0 ±0.62 se; based on food items.
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (10 of 100).
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