Classificatie / Names
Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa
>
Blenniiformes (Blennies) >
Dactyloscopidae (Sand stargazers)
Etymology: Dactyloscopus: Greek, daktylos = finger + Greek, skopein = to look (Ref. 45335); comptus: comptus, adorned or ornamented, in allusion to the circlet of flaps or spots on the eye..
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal. Tropical
Western Central Atlantic: all specimens from the Bahamas, except for two provisionally identified specimens from Puerto Rico and St. John, Virgin Islands. Also Ref. 26938.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 3.9 cm SL mannelijk / geslacht onbekend; (Ref. 27742)
Dorsale stekels (totaal) : 11 - 13; Anale stekels: 2; Anale zachte stralen: 28 - 30. Common amongst Dactyloscopidae: Small, elongate fishes. Head usually broad and deep, body tapering and compressed behind. Eyes on top of head, often protrusible; mouth moderate to large, oblique to vertical; upper and/or lower lips with fimbriae; jaw teeth minute, in 2 or more series; no teeth on roof of mouth (vomer and palatines). Opercular opening large, gill membrane free from isthmus; opercles membranous, large, usually overlapping on underside of head, typically fringed above with 2 to 24 fleshy fimbriae. Dorsal fin continuous, with an isolated or semi-isolated anterior finlet, or with 1 to 5 separate anterior rays; dorsal-fin spines 7 to 23; anal-fin spines 2; dorsal and anal fins free or united to caudal fin by fragile membranes; pectoral fins broad-based, usually enlarged in mature males; caudal-fin rays simple or branched; pelvic fins under throat (insertion anterior to pectoral-fin base), with 1 spine and 3 thickened segmented rays; all other rays simple. Head and venter naked, body elsewhere with large cycloid scales (smooth to touch); lateral line high anteriorly, deflecting ventrally behind pectoral fin to continue along middle of side to caudal-fin base where terminal lateral-line scale bears ventrally directed canal. Body coloration, variably pale to strongly pigmented with white, brown, or reddish; some forms with characteristic saddle-like bars crossing back; others plain, mottled, or with indications of lateral stripes. Species distinguished by: dorsal-fin origin on nape without a distinct anterior finlet; spines usually 11 to 13. First preopercular canal branched, with 2 or more distal pores. Segmented anal-fin rays 28 to 30. Posterior naris (a single pore) located on anterior rim of preorbital, adjacent to base of tubiform anterior naris; premaxillary pedicels reach well past rear margins of orbits. Upper lip fimbriae usually 10 to 13; eye with a distal ring of translucent spots or dermal flaps. Expanded eyestalk not exceptionally long and slender (Ref. 52855).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Dawson, C.E., 1982. Atlantic sand stargazers (Pisces: Dactyloscopidae), with description of one new genus and seven new species. Bull. Mar. Sci. 32(1):14-85. (Ref. 27742)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
Download XML
Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 25.8 - 28.1, mean 27.7 °C (based on 110 cells).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
