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Dactylagnus parvus Dawson, 1976
PANAMIC STARGAZER
Life   Vertebrata   Fish   Dactyloscopidae   Dactylagnus

Dactylagnus parvus
© Copyright Photographer/SFTEP, 2002 · 0
Dactylagnus parvus

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Dactylagnus parvus
© Copyright Photographer/SFTEP, 2002 · 0
Dactylagnus parvus
Dactylagnus parvus
© Copyright Photographer/SFTEP, 2002 · 0
Dactylagnus parvus

Dactylagnus parvus
© Copyright Photographer/SFTEP, 2002 · 0
Dactylagnus parvus
español

Overview
Main identification features
  • dorsal fin continuous
  • back: 8-9 dark saddles
  • tail fin and pectoral: bars
Head large, deep, bluntly rounded to oblique at front; lower jaw short, broad, without projecting knob; both lips with fleshy flaps, 12-21 on top lip; eyes not stalked; top corner of operculum with fringe of 8-17 slender flaps; dorsal fin continuous, origin before anal fin origin, VIII-XI, 25-29; anal II, 29-34; no notch under tail base; pectoral broad-based, long, 12-14 (usually 13) rays; tail fin with 10 branched rays; lateral line continuous, bends down under 6th-8th dorsal spine; scales smooth, head and belly scaleless; lateral line scales 43-49, 28-33 on straight part.

Body light tan with brown markings; a large blotch between eyes and several smaller blotches behind; 8-9 bars along upper back; little or no pigment in mouth; dorsal fin irregularly streaked; tail with 2-3 faint bars; pectoral with 3 broken bars.

Size: 5.8 cm.

Habitat: estuaries and shallow sandy areas.

Depth: 0-6 m.

Southern Baja and the SE shore of the Gulf of California to Panama.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 6 m.
Depth Range Min: 0 m.
Diet: mobile benthic worms; mobile benthic crustacea (shrimps/crabs); bony fishes; mobile benthic gastropods/bivalves.
Eastern Pacific Range: Northern limit=25; Southern limit=8; Western limit=-112; Eastern limit=-81; Latitudinal range=17; Longitudinal range=31.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Sand & gravel; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 5.8 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; 3 provinces (Cortez + Mexican + Panamic) endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • 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.
  • Findley, L.T., Hendrickx, M.E., Brusca, R.C., van der Heiden, A.M., Hastings, P.A., Torre, J., 2003., Diversidad de la Macrofauna Marina del Golfo de California, Mexico., CD-ROM versión 1.0. Projecto de la Macrofauna del Golfo .  Derechos reservados de los autores y Conservación Internacional.
  • Love, M.S., Mecklenburg, C.W., Mecklenburg, T.A., Thorsteinson, L.K., 2005., es of the West Coast and Alaska: a checklist of North Pacific and Artic Ocena species from Baja California to the Alaska-Yukon border., U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, 288pp.
  • Van der Heiden , A. M. and Findley, L. T., 1988., Lista de los peces marinos del sur de Sinaloa, México., Anales del Centro de Ciencias del Mar y Limnologia de la Universidad Autonoma Nacional de Mexico, 15:209-224.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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http://192.134.151.83/Summary/speciesSummary.php?genusname=Dactylagnus&speciesname=parvus ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Dactylagnus&speciesname=parvus
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