Overview

Comprehensive Description

Biology

Inhabits coastal waters and lagoons (Ref. 9303); on muddy or sandy bottoms to depths of 30 m and penetrates freshwater habitats in Mexico and Central America (Ref. 94655).
  • Bussing, W.A. 1995 Gerreidae. Mojarras. p. 1114-1128. 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. 9303)
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Description

  Common names: mojarra (English), mojarra (Espanol), palmito (Espanol)
 
Eugerres brevimanus (Günther, 1864)

Short-fin mojarra



Body moderately deep (depth 40-45% of SL),  compressed; upper head profile convex; lips noticeably swollen; lower profile of head distinctively concave; mouth highly extensible, pointing downward when protruded; 10-12 lower gill rakers; lower border of preopercle serrated; bone under front of eye with serrated border; teeth inside throat all pointed; dorsal fin IX, 9-10, elevated at front,  2nd  spine longer than distance between tip of snout and rear of eye; anal fin III, 8, second spine much enlarged, thick and robust, but not longer than 2nd  dorsal spine; pectoral short, not reaching past pelvics; tail forked; scales large, conspicuous and finely rough, covering most of head and body; dorsal and anal fins fold into a high scaly sheath along their bases.


Silvery white with narrow dark lines corresponding with longitudinal scale rows; pectoral, pelvic, and anal fins yellowish.

Maximum size about 28 cm.

Inhabits sand, mud, and rubble bottoms of coastal waters.

Depth: 0-30 m.

Central Mexico to Panama.
   
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Distribution

Range Description

This species is endemic to the Eastern Pacific, and is found from the lower southeastern Gulf of California, Mexico to Panama.
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Eastern Central Pacific: Mexico to northern Peru.
  • Bussing, W.A. 1995 Gerreidae. Mojarras. p. 1114-1128. 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. 9303)
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Zoogeography

See Map (including site records) of Distribution in the Tropical Eastern Pacific 
 
Global Endemism: All species, East Pacific endemic, Tropical Eastern Pacific (TEP) endemic

Regional Endemism: All species, TEP endemic, Continental TEP endemic, Mexican + Panamic provinces endemic, Continent, Continent only

Residency: Resident

Climate Zone: Northern Tropical (Mexican Province to Nicaragua + Revillagigedos), Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
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Eastern Pacific: Mexico to southern Panama.
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Depth

Depth Range (m): 0 (G) - 30 (G)
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Physical Description

Morphology

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 9 - 10; Analspines: 3; Analsoft rays: 8
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Size

Length max (cm): 28.0 (S)
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Size

Max. size

28.0 cm SL (male/unsexed; (Ref. 11482))
  • Allen, G.R. and D.R. Robertson 1994 Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
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Maximum size: 190 mm SL
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Diagnostic Description

This species is distinguished by having the following characters: pectoral fins short, usually reaching the vent, but not extending to the anal fin origin; upper and lower lips enlarged; 38-41 (mode 40) pored lateral-line scales; 12-13 (mode 12) gill rakers on the lower limb of the first branchial arch; 2nd anal spine when depressed extends to base of last anal ray or half the length of the caudal peduncle (Ref. 94655).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species inhabits sand, mud, and rubble substrate of coastal waters and lagoons. It is also found in estuaries in freshwater, brackish, and marine areas (Bussing, 1995).

Systems
  • Marine
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Environment

benthopelagic; freshwater; brackish; marine
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Depth range based on 3 specimens in 1 taxon.

Environmental ranges
  Depth range (m): 0.2 - 1.5

Graphical representation

Depth range (m): 0.2 - 1.5
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Salinity: Marine, Brackish, Freshwater

Inshore/Offshore: Inshore, Inshore Only

Water Column Position: Bottom, Bottom only

Habitat: Soft bottom (mud, sand,gravel, beach, estuary & mangrove), Soft bottom only, Mud, Sand & gravel, Beach, Estuary, Freshwater

FishBase Habitat: Bentho-Pelagic
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Trophic Strategy

Feeding

Feeding Group: Carnivore

Diet: mobile benthic worms, mobile benthic crustacea (shrimps/crabs), mobile benthic gastropods/bivalves
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Life History and Behavior

Reproduction

Egg Type: Pelagic, Pelagic larva
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Espinosa, H.

Reviewer/s
Carpenter, K., Polidoro, B. & Livingstone, S. (Global Marine Species Assessment Team)

Contributor/s

Justification
This species is widespread in the Eastern Pacific. There are no known major threats to this species, and no current indication of population decline. It is listed as Least Concern.
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IUCN Red List: Not evaluated / Listed

CITES: Not listed
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Population

Population
This species is considered not to be very common in Mexico.

Population Trend
Unknown
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Threats

Major Threats
There are no major threats known for this species.
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Least Concern (LC)
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Management

Conservation Actions

Conservation Actions
There are no known conservation measures for this species. However, this species distribution falls partially into a number of Marine Protected Areas in the Eastern Pacific region (WDPA 2006).
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