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Leuresthes sardina (Jenkins and Evermann, 1889)
GULF GRUNION
Life   Vertebrata   Fish   Atherinopsidae   Leuresthes

Leuresthes sardina
© Copyright Ross Robertson, 2006 · 12
Leuresthes sardina

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Overview
Main identification features
  • top jaw wide, very extendible
  • 1st dorsal fin behind anus, before a
  • 2nd dorsal fin - front scaly
  • pectoral short
  • lateral scales 51-60
Elongate, slender; head and body compressed; top of head flattened, profile ~straight; eye small (<1/2 head length); snout blunt, a little longer than eye, with two transverse grooves across it; top jaw very wide and strongly extendible; jaw teeth absent to small, if present wide set; 1st dorsal low, with IV spines, origin behind anus, fin entirely in front of anal fin; 2nd dorsal I, 9; anal 25; pectoral fins short (~2/3 head length); 2nd dorsal with scales between front rays; scales large, smooth, 51-60 along midside.

Color: Pale, with a broad (2 scales wide) stripe along flank is grey above, silvery below; top of head very pale between eyes, dark before and behind them.

Reaches 25cm.

Habitat – coastal areas and lagoons.

Depth range 0-5m.

Endemic to the northern Gulf of California.


Attributes
Cites: Not listed.
Climate Zone: North Temperate (Californian Province &/or Northern Gulf of California); Northern Subtropical (Cortez Province + Sinaloan Gap).
Depth Range Max: 5 m.
Depth Range Min: 0 m.
Diet: zooplankton; pelagic fish larvae; pelagic fish eggs.
Eastern Pacific Range: Northern limit=32; Southern limit=24; Western limit=-115; Eastern limit=-110; Latitudinal range=8; Longitudinal range=5.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Planktivore.
FishBase Habitat: Pelagic.
Global Endemism: East Pacific endemic; TEP non-endemic; All species.
Habitat: Estuary; Water column.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 25 cm.
Regional Endemism: Northern Gulf of California endemic; Continent only; Continent; Tropical Eastern Pacific (TEP) non-endemic; All species.
Residency: Vagrant.
Salinity: Marine; Brackish.
Water Column Position: Surface; Near Surface; Water column only;


Names
Scientific source:

Links to other sites

References
  • 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.
  • Jenkins , O.P. and Evermann, B.W., 1889., Description of eighteen new species of fishes from the Gulf of California., Proc. U.S. Nat. Mus., 11:137-158.

Acknowledgements

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


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Leuresthes sardina, Gulf grunion
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Leuresthes sardina ( Jenkins & Evermann , 1889 )

Gulf grunion Upload your photos  and  videos
Pictures | Google image Image of Leuresthes sardina (Gulf grunion) Leuresthes sardina
Picture by FAO

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Atheriniformes (Silversides) > Atherinopsidae (Neotropical silversides) > Atherinopsinae
Etymology: Leuresthes: Greek, leyros, -a, -on = smooth + Greek, esthes = suit, something used to wrap (Ref. 45335 ) .
More on authors: Jenkins & Evermann .

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

Marine; pelagic-neritic. Subtropical; 32°N - 28°N

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

Eastern Central Pacific: endemic to the Gulf of California.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 25.0 cm TL male/unsexed; (Ref. 9273 )

Biology     Glossary (e.g. epibenthic)

Found along sandy coasts (Ref. 9273 ).

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

Burry eggs in the sand.

Main reference Upload your references | References | Coordinator | Collaborators

Lavenberg, R.J. and M. Chernoff , 1995. Atherinidae. Pejerreyes. p. 889-901. 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. 9273 )

IUCN Red List Status (Ref. 130435 )

  Near Threatened (NT)  ; Date assessed: 25 May 2007

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





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FAO - Publication: search | FishSource |

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AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00603 (0.00275 - 0.01321), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  2.9   ±0.4 se; based on size and trophs of closest relatives Resilience (Ref. 120179 ):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). Fishing Vulnerability (Ref. 59153 ):  Low vulnerability (15 of 100).

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