Overview

Comprehensive Description

Description

  Common names: mojarra (English), mojarra (Espanol), palmito (Espanol)
 
Eucinostomus currani Zahuranec in Yáñez-Arancibia, 1980


Pacific flagfin mojarra,      Spot-fin mojarra,     Flag-fin mojarra



Body an elongate oval (depth 40-45% of SL); lower profile of head distinctively concave; mouth highly extensible, pointing downward when protruded; lower border of preopercle smooth; bone under front of eye with smooth border; teeth inside throat all pointed; dorsal rays IX,10, elevated at front,  2nd  spine less than or equal to distance between tip of snout and rear of eye; anal fin III, 7, 2nd  spine short, < height of tail base; pectoral fin pointed, not reaching to origin of anal fin; tail fin deeply 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;  scales extend before front of eye on top of snout around scaleless groove; lateral-line scales 44- 48.



Overall silvery white; spiny dorsal fin with grey base, white center, wide black tip.


Size: reaches at least 21 cm.

Inhabits sand and mud bottoms of bays and estuaries; also venture as much as 20 Km up rivers.

Depth: 0-30 m?

California to the Gulf of California to northern Peru, the Galapagos and Cocos.
   
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Biology

Found over soft bottoms of coastal waters. Juveniles are commonly found in estuarine regions, mangroves, tidal streams and rivers far from the coast. Adults occur in deeper waters. Forms schools (Ref. 37955). Omnivore (Ref. 37955), feeds on vegetable matter, micro-invertebrates and detritus (Ref. 36880).
  • 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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Distribution

Range Description

This species is endemic to the Eastern Pacific, and is found from southern California, USA and the Gulf of California, Mexico to northern Peru, including the Galapagos and Cocos Islands.
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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, Continent + Island (s), Continent, Island (s)

Residency: Resident

Climate Zone: North Temperate (Californian Province &/or Northern Gulf of California), Northern Subtropical (Cortez Province + Sinaloan Gap), Northern Tropical (Mexican Province to Nicaragua + Revillagigedos), Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo), South Temperate (Peruvian Province )
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Eastern Pacific: Baja California, Mexico and the Gulf of California to the northern tip of Peru, including the Cocos and the Galapagos Islands.
  • 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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Eastern Pacific: southern California, U.S.A. to Peru.
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Depth

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

Morphology

Size

Length max (cm): 21.0 (S)
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Size

Maximum size: 160 mm SL
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Max. size

21.0 cm TL (male/unsexed; (Ref. 38398))
  • Franke, R. and A. Acero 1996 Peces oseos comerciales del Parque Gorgona, Pacifico colombiano (Osteichthyes: Muraenesocidae, Hemiramphidae, Belonidae, Scorpaenidae, Triglidae, Malacanthidae, Gerreidae, Sparidae, Kyphosidae, Sphyraenidae e Istiophoridae). Revista de Biologia Tropical 44(2):763-770. (Ref. 38398)
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This demersal species inhabits sand and mud substrate of bays and estuaries. It may also venture as much as 20km up rivers. Juveniles are commonly found in estuarine regions, mangroves, tidal streams and rivers far from the coast. Adults occur in deeper waters (De La Cruz Agüero, 1997). This species forms schools (De La Cruz Agüero, 1997). It is an omnivore (De La Cruz Agüero, 1997), feeding on vegetable matter, micro-invertebrates and detritus (Bussing, 1998).

Systems
  • Freshwater
  • Marine
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Environment

demersal; freshwater; brackish; marine; depth range 10 - 60 m (Ref. 91172)
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Depth range based on 191 specimens in 1 taxon.
Water temperature and chemistry ranges based on 5 samples.

Environmental ranges
  Depth range (m): 0.14 - 54
  Temperature range (°C): 21.311 - 29.261
  Nitrate (umol/L): 0.144 - 1.614
  Salinity (PPS): 32.938 - 34.228
  Oxygen (ml/l): 4.584 - 5.074
  Phosphate (umol/l): 0.202 - 0.352
  Silicate (umol/l): 2.028 - 3.264

Graphical representation

Depth range (m): 0.14 - 54

Temperature range (°C): 21.311 - 29.261

Nitrate (umol/L): 0.144 - 1.614

Salinity (PPS): 32.938 - 34.228

Oxygen (ml/l): 4.584 - 5.074

Phosphate (umol/l): 0.202 - 0.352

Silicate (umol/l): 2.028 - 3.264
 
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, Estuary, Mangrove, Freshwater

FishBase Habitat: Demersal
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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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Molecular Biology and Genetics

Molecular Biology

Barcode data: Eucinostomus currani

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Eucinostomus currani

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 24
Species With Barcodes: 1
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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
Bearez, B., van der Heiden, A., Acero, A., Rojas, P., Betancur, R. & 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, and is common throughout its range. 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 very common in the Gulf of California and occasional in Ecuador. No other population information is available.

Population Trend
Unknown
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Threats

Major Threats
There are no major threats known for this species. However, localized coastal development may threaten this species and its freshwater/coastal habitat in some areas within its range.
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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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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: minor commercial; bait: occasionally; price category: medium; price reliability: very questionable: based on ex-vessel price for species in this family
  • 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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