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Dactyloscopus metoecus Dawson, 1975
MEXICAN STARGAZER
Life   Vertebrata   Fish   Dactyloscopidae   Dactyloscopus

Dactyloscopus metoecus
© Copyright Photographer/SFTEP, 2002 · 0
Dactyloscopus metoecus

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Dactyloscopus metoecus
© Copyright Photographer/SFTEP, 2002 · 0
Dactyloscopus metoecus
español

Overview
Main identification features
  • no eye papillae;nostrils separated
  • 13-15 saddles, 2 stripes, nape mottled
  • c: long, simple rays, notch under tail base
  • top lip: 12-16 flaps
  • no scales over lateral linearch
Head large, flattened above, rounded and narrow at front; both lips with flaps; eyes on long stalks, without papillae; rear nostril near middle of preorbital bone; top lip with 12-16 flaps; dorsal fin origin on nape, with 4 free spines at front, XII-XIII, 24-26; anal II, 29-31; pectoral usually 13 rays; lateral line scales 42-45; no scales above lateral line arch; notch under end of tail base; tail fin rays unbranched.

Inside mouth unpigmented; head with/without pale T-shaped blotch behind eyes; 13-15 dark bars along upper back; side extensively flecked, with 1-2 lateral stripes; fins pale, tail pale to flecked.

Size: 4 cm.

Habitat: coastal sandy areas.

Depth: 1-20 m.

Central Mexico.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Tropical (Mexican Province to Nicaragua + Revillagigedos).
Depth Range Max: 20 m.
Depth Range Min: 1 m.
Diet: bony fishes; mobile benthic crustacea (shrimps/crabs); mobile benthic gastropods/bivalves; mobile benthic worms.
Eastern Pacific Range: Northern limit=22; Southern limit=17; Western limit=-107; Eastern limit=-100; Latitudinal range=5; Longitudinal range=7.
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: 4 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Mexican province 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., 1975., Studies on eastern Pacific sand stargazers (Pisces: Dactyloscopidae). 2.Genus Dactyloscopus, with descriptions of new species and subspecies., Nat. Hist. Mus. Los Angeles Co. Sci. Bull., 22:1-61.
  • 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.
  • 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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