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Symphurus elongatus (Gunther, 1868)
ELONGATE TONGUEFISH
Small-eyed tonguefish

Life   Vertebrata   Fish   Cynoglossidae   Symphurus

Symphurus elongatus
© Copyright Ross Robertson, 2006 · 12
Symphurus elongatus

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Symphurus elongatus
© Copyright Ross Robertson, 2006 · 12
Symphurus elongatus
Symphurus elongatus
© Copyright Ross Robertson, 2006 · 12
Symphurus elongatus
español

Overview
Main identification features
  • body slender; eyes very small
  • body and fins uniform tan
  • mouth ends behind eye
  • lower jaw: fleshy crest
Body very elongate, pointed at tail end, highly compressed; eyes tiny, very close together, without cover over pupils, on left side; snout rounded; mouth small, arched (strongly on blind side), at front or a little under snout; eye-side lower jaw with large fleshy crest, mouth reaches past eye; preopercle covered with skin; dorsal origin ~above upper eye, 99-107 dorsal rays; 83-90 anal rays; 12 tail rays; no pectoral; only left pelvic present, separate from anal; dorsal and anal fused to tail; scales rough, on both sides; no lateral line.

Top side pale to dark brown; blind side white; fins clear.

Size: 17 cm.

Habitat: sand and mud bottoms, including estuaries.

Depth: 1-100 m.

Sinaloa (Mexico) to Ecuador.


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: 100 m.
Depth Range Min: 1 m.
Diet: mobile benthic worms; mobile benthic gastropods/bivalves; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=24; Southern limit=-11; Western limit=-107; Eastern limit=-77; Latitudinal range=35; Longitudinal range=30.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Estuary; Mud; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only; Sand & gravel.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 17 cm.
Regional Endemism: Continent only; Continent; TEP endemic; Continental TEP endemic; Mexican + Panamic provinces endemic; All species.
Residency: Resident.
Salinity: Brackish; Marine.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Breder, C.M. Jr., 1936., Scientific results of the second oceanographic expedition of the "Pawnee" 1926. Heterosomata to Pediculati from Panama to Lower California., Bull. Bingham Oceanogr. Collect. Yale Univ., 2(3):1-56.
  • 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.
  • Günther, A., 1868., An account of the fishes of the states of Central America, based on collections made by Capt. J.M. Dow, F. Godman, Esq., and O. Salvin, Esq., Trans. Zool. Soc. London, 6:377-402.
  • Hubbs, C.L., 1916., Notes on the Marine Fishes of California., Univ. Calif. Pubs. Zool., 16:153-169.
  • 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 Bollman, C.H., 1890., Descriptions of new species of fishes collected at the Galapagos Islands and along the coast of the United States of Colombia, 1887-88, by the U.S. Fish Commission steamer 'Albatross'., Proc. U.S. Nat. Mus., 12:149-183.
  • 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.
  • 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.
  • Phillips, P. C., 1981., Annotated Checklist of Fishes at Jiquilisco Bay, El Salvador., Revista de Biologia Tropical, 29:45-58.
  • Rubio , R. E. A. and Estupiñan, F., 1990., Ictiofauna del Parque Nacional Natural Sanquianga, un Analisis de su Estructura y Perspectivas para su Manejo., Memorias del VII Seminario Nacional de las Ciencias y Tecnologías del Mar. Comisión Colombiana de Oceanografía. Bogota, Colombia., :660-670.
  • Rubio, E.A., 1986., Notas sobre la ictiofauna de la Isla de Gorgona, Colombia., Boletin Ecotropica. Univ. Bog. Jorge Tadeo Lozano, 13:86-112.
  • 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.

Acknowledgements

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


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Symphurus elongatus   (Günther, 1868)

Elongate tonguefish Add your observation in Fish Watcher
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Pictures | Google image Image of Symphurus elongatus (Elongate tonguefish) Symphurus elongatus
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Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Pleuronectiformes (Flatfishes) > Cynoglossidae (Tonguefishes) > Symphurinae
Etymology: Symphurus: Greek, syn, symphysis = grown together + Greek, oura = tail (Ref. 45335 ) .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; brackish; demersal; depth range 1 - 100 m (Ref. 9294 ), usually 1 - 40 m (Ref. 9294 ).   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Central Pacific: Mexico to Ecuador.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 15.8 cm SL male/unsexed; (Ref. 9294 ); common length : 13.5 cm SL male/unsexed; (Ref. 9294 )

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 99-107; Anal spines : 0; Anal soft rays : 83 - 90; Vertebrae : 53 - 56

Biology     Glossary (e.g. epibenthic)

Found on sandy and muddy areas, including estuaries (Ref. 9294 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Munroe, T.A., F. Krupp and M. Schneider , 1995. Cynoglossidae. Lenguas, lenguetas. p. 1039-1059. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9294 )

IUCN Red List Status (Ref. 115185 )

  Least Concern (LC)  

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: of no interest FAO(Publication : search ) | FishSource |

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Summary page | Point data | Common names | Photos

Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | SeaLifeBase | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 23.3 - 29, mean 26.9 (based on 90 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01230 (0.00574 - 0.02638), b=3.05 (2.86 - 3.24), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.3   ±0.4 se; Based on size and trophs of closest relatives Resilience (Ref. 69278 ):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). Vulnerability (Ref. 59153 ):  Low to moderate vulnerability (25 of 100) .

Entered by Garilao, Cristina V. Modified by Garilao, Cristina V. Fish Forum
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