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Microgobius emblematicus (Jordan and Gilbert, 1882)
EMBLEM GOBY
Life   Vertebrata   Fish   Gobiidae   Microgobius

Microgobius emblematicus
© Copyright Ross Robertson, 2006 · 12
Microgobius emblematicus

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Microgobius emblematicus
© Copyright Gerald Allen, 2006 · 0
Microgobius emblematicus
Microgobius emblematicus
© Copyright Photographer/SFTEP, 2002 · 0
Microgobius emblematicus

Microgobius emblematicus
© Copyright Photographer/SFTEP, 2002 · 0
Microgobius emblematicus
Microgobius emblematicus
© Copyright Photographer/SFTEP, 2002 · 0
Microgobius emblematicus
español

Overview
Main identification features
  • male: 1st dorsal fin long spines
  • male: flank- 2 blue stripes
  • male: lower tail fin - yellow + red stripe
  • dark blotch under 1st dorsal fin
  • back - dark bars
  • female: lower tail fin - yellow + 2 red stripes
Dorsal rays VII + I, 15-17 (usually 16), spines 4-7 produced into elongate filaments in males; anal rays I, 15-17 (usually 16); pectoral rays 18-23 (usually 20-21); pelvic disc present; midlateral scales 50-75; scales all smooth; head, nape, breast, belly, and pectoral fin base scaleless; tail fin oval, ~28% of standard length; fleshy nape crest low and poorly developed in both sexes.

Light brown; belly cream colored; side of head with 2 blue stripes (separated by orange), top one extending forward under eye; flank with diffuse dark midlateral stripe; a diffuse dark blotch under first dorsal fin and 4 diffuse dark bars on upper back; base of pectoral fin with a blue spot; pelvics yellowish to reddish, with blackish margins. Male: dark flank stripe bounded above and below by blue in belly area; a red stripe on tail fin below center, lower part of fin yellow; second dorsal fin dusky reddish, with a blue central stripe and a pale margin; anal fin dusky red, with yellowish margin. Female: body pale below midline above anal fin; second dorsal dark with oblique central pale stripe and a pale margin; anal fin with dark center, pale base and margin; tail fin with 2 red stripes, one in center, the other below, lower part of fin yellow.

Size: to 6.4 cm.

Inhabits sand or mud-broken shell bottoms in estuaries and mangroves.

Depth: 0-6 m.

The SE Gulf of California to northern Peru.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 6 m.
Depth Range Min: 0 m.
Diet: zooplankton; pelagic fish eggs.
Eastern Pacific Range: Northern limit=24; Southern limit=-6; Western limit=-107; Eastern limit=-78; Latitudinal range=30; Longitudinal range=29.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore; Planktivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Mangrove; Mud; 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: 6.4 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Mexican + Panamic provinces endemic; All species.
Residency: Resident.
Salinity: Brackish; Non Marine.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Birdsong , R. S. , Murdy , E. O. and Pezold, F. L., 1988., A study of the vertebral column and median fin osteology in gobioid fishes with comments on gobioid relationships., Bull. Mar. Sci., 42:174-214.
  • Birdsong, R.S., 1981., A review of the gobiid fish genus Microgobius Poey., Bull. Mar. Sci., 31(2):267-306.
  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • Castri-Aguirre, J.L., Espinoza-Pérez, H. and Schmitter-Soto, J.J., 2002., Lista sitemática, biogeográfica y ecológica de la ictiofauna estuarino lagunar y vicaria de México. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:117-142.
  • Castro-Aguirre, J.L., 1999., Ictiofauna estuarino-lagunar y vicaria de México., Editorial Limusa S.A. de C.V.: 1-629pp.
  • 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.
  • Fischer , W. , Krup , F. , Schneider , W. , Sommer , C. , Carpenter , K. E. and Niem, V. H., 1995., Guia FAO para la Identificacion de Especies de para los fines de la Pesca. Pacifico Centro-Oriental. Volumen II. Vertebrados - Parte 1., FAO2:647-1200.
  • Ginsburg, I., 1939., Twenty-one new American gobies., J. Wash. Acad.Sci., 29(2):51-63.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
  • Jordan , D.S. and Evermann, B.W., 1898., The fishes of North and Middle America: a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Part III., Bull. U.S. Nat. Mus., 47:2183-3136.
  • Jordan , D.S. and Gilbert, C.H., 1882., Descriptions of nineteen new species of fishes from the Bay of Panama., Bull. U.S. Fish Comm., 1:306-335.
  • Lopez , M. I. and Bussing, W. A., 1982., Lista provisional de los peces marinos de la Costa Rica., Revista de Biologia Tropical, 30(1):5-26.
  • Meek , S.E. and Hildebrand, S.F., 1928., The marine fishes of Panama. Part III., Field Mus. Nat. Hist., Zool. Ser. Publ., XV:709-1045.
  • Rubio, E.A., 1988., Estudio taxonomico de la ictiofauna acompañante del camaron en areas costeras del Pacifico de Colombia., Memorias del VI Seminario Nacional de las Ciencias del Mar. Comisión Colombiana de Oceanografía. Bogota, Colombia., :169-183.
  • 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.
  • Vega, A.J., Villareal, N., 2003., Peces asociados a arrecifes y manglares en el Parque Nacional Coiba., Tecnociencia, 5:65-76.

Acknowledgements

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


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