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Dactyloscopus crossotus Starks, 1913
Bigeye stargazer
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| Native range |
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| This map was computer-generated and has not yet been reviewed. |
| Dactyloscopus crossotus AquaMaps Data sources: GBIF OBIS |
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Dactyloscopus crossotus
Photo de Engman, A.C.
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Photo de Engman, A.C.
Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa
> Blenniiformes (Blennies) > Dactyloscopidae (Sand stargazers)
Etymology: Dactyloscopus: Greek, daktylos = finger + Greek, skopein = to look (Ref. 45335).
More on author: Starks.
Etymology: Dactyloscopus: Greek, daktylos = finger + Greek, skopein = to look (Ref. 45335).
More on author: Starks.
Environment: milieu / climate zone / depth range / distribution range Écologie
marin démersal; profondeur 0 - 8 m (Ref. 27742), usually ? - 3 m. Tropical; 30°N - 33°S
Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri
Western Atlantic: Florida, USA and Bahamas to Brazil.
Taille / Poids / Âge
Description synthétique Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 7 - 23; Épines anales: 2. 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. First preopercular canal branched, with 2 or more distal pores. Posterior naris (a patch of 1 to 8 pores) located on preorbital, between tubiform anterior naris and eye; premaxillary pedicels usually not reaching past rear margins of orbits (Ref. 52855).
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
Occurs in surf beaches, usually in less than 3 m depth. Burrows in soft sandy bottom, where it waits for prey, with only the eyes, nose and mouth protruding.
Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Référence principale
Upload your references | Références | Coordinateur : Williams, Jeffrey T. | Collaborateurs
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Préoccupation mineure (LC) ; Date assessed: 18 October 2007
CITES
Not Evaluated
Menace pour l'homme
Harmless
Utilisations par l'homme
FAO - Publication: search | FishSource |
Plus d'informations
Trophic ecology
Food items (preys)
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Food items (preys)
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Ecology
Écologie
Écologie
Population dynamics
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Life cycle
Reproduction
Maturité
Maturity/Gills rel.
Fécondité
Frai
Spawning aggregations
Œufs
Développement de l'œuf
Larves
Dynamique des populations larvaires
Reproduction
Maturité
Maturity/Gills rel.
Fécondité
Frai
Spawning aggregations
Œufs
Développement de l'œuf
Larves
Dynamique des populations larvaires
Anatomy
Surface branchiale
Brain
Otolith
Surface branchiale
Brain
Otolith
Physiology
Body composition
Nutrients
Consommation d'oxygène
Type de nage
Vitesse de nage
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Consommation d'oxygène
Type de nage
Vitesse de nage
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Génétique
Heterozygosity
Héritabilité
Génétique
Heterozygosity
Héritabilité
Human related
Aquaculture systems
Profils d'aquaculture
Souches
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
Profils d'aquaculture
Souches
Ciguatera cases
Stamps, coins, misc.
Outils
E-book | Guide de terrain | Clés d'identification | Générateur de fréquences de longueur | Outil de dynamique de population | Carte par point | Classification Tree
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Articles particuliers
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Sources Internet
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoobank | Zoological Record
Estimates based on models
Preferred temperature (Ref. 123201): 24.8 - 28.1, mean 27.4 °C (based on 652 cells).
Phylogenetic diversity index (Ref. 82804): PD50 = 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).
Niveau trophique (Ref. 69278): 4.2 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).