Overview

Comprehensive Description

Biology

Adults inhabit sandy bottoms of coastal waters (Ref. 9114). Marketed fresh (Ref. 9114).
  • McKay, R.J. and M. Schneider 1995 Haemulidae. Burros, corocoros, chulas, gallinazos, roncos. p. 1136-1173. 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. 9114)
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Description

  Common names: grunt (English), ronco (Espanol), vieja (Espanol), corocoro (Espanol), roncacho (Espanol)
 
Pomadasys panamensis (Steindachner, 1876)


Panama grunt,     Highfin grunt



Body an elongate oval, strongly compressed;  forehead profile convex;  mouth reaching under front of pupil, inside not red, lips thin; chin with 2 pores at front and 2 inside hole behind, plus a longitudinal groove; preopercle finely serrated; dorsal fin XII, 12-13, deeply notched; anal III, 7-8, second anal spine slender, not reaching tips of longest soft rays when depressed; pectorals very long, reaching origin of anal fin; no scales on soft dorsal and anal; 48-52 pored lateral line scales; 7 oblique rows of scales between lateral line and origin of dorsal fin.


Silvery with prominent blackish blotch behind upper edge of gill cover; fins yellowish.

Size: grows to at least 35 cm.

Habitat: on sand and mud bottoms. Generally captured by shrimp trawlers on soft bottoms.


Depth: 5-107 m.



Southern Baja and the Gulf of California to Peru.   
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Distribution

Range Description

Pomadasys panamensis is endemic to the eastern Pacific, and is found from southern Baja California and the Gulf of California in Mexico, to northern Peru.
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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, 3 provinces (Cortez + Mexican + Panamic) endemic, Continent, Continent only

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)
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Eastern Pacific: Gulf of California to Peru.
  • McKay, R.J. and M. Schneider 1995 Haemulidae. Burros, corocoros, chulas, gallinazos, roncos. p. 1136-1173. 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. 9114)
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Eastern Pacific.
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Depth

Depth Range (m): 5 (S) - 107 (S)
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Physical Description

Morphology

Size

Length max (cm): 35.0 (S)
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Size

Maximum size: 320 mm ---
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Max. size

39.0 cm TL (male/unsexed; (Ref. 55763))
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Diagnostic Description

Body oblong, moderately compressed, and not very deep (depth contained 2.3 to 2.5 times in standard length); mouth moderate sized and terminal, its posterior end located at the same level as the anterior rim of the eye; first gill arch with 20 to 23 gill rakers; dorsal fin deeply notched, with 12 to 13 spines and 13 soft rays (XII-XIII, 13); pectoral fins very long (contained 2.7 to 3.3 times in standard length), reaching origin of anal fin; second anal spine much stronger and longer than third; back gray; belly silvery; posterior angle of operculum with a very distinct black spot preceded by a green area (Ref. 55763).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Pomadasys panamensis is a demersal species that inhabits the sandy substrata of coastal waters (McKay and Schneider 1995) to depths of around 100 m. In a survey conducted at Gorgona Island, Colombia, this species was considered occasional in rocky substrata, and abundant in sandy substrata (Rubio 1986). In Golfo de Nicoya, Costa Rica, this fish was considered to be a transient species in an estuary associated with mangroves (Rojas et al. 1994). It occasionally occurs in middle estuaries and mangroves along the tropical Eastern pacific (Cooke 1992).

Systems
  • Marine
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Environment

demersal; marine; depth range 10 - 60 m (Ref. 91172)
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Depth range based on 37 specimens in 1 taxon.

Environmental ranges
  Depth range (m): 1 - 55

Graphical representation

Depth range (m): 1 - 55
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Salinity: Marine, Brackish

Inshore/Offshore: Inshore, Inshore Only

Water Column Position: Near Bottom, Bottom, Bottom + water column

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

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, octopus/squid/cuttlefish
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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: Pomadasys panamensis

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: Pomadasys panamensis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 6
Specimens with Barcodes: 7
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
Allen, G.R., Robertson, R.D., Barraza, E. & Zapata, F.

Reviewer/s
Collen, B., Richman, N., Beresford, A., Chenery, A. & Ram, M.

Contributor/s
De Silva, R., Milligan, H., Lutz, M., Batchelor, A., Jopling, B., Kemp, K., Lewis, S., Lintott, P., Sears, J., Wilson, P., Smith, J. & Livingston, F.

Justification
Pomadasys panamensis has been assessed as Least Concern. This species is widespread in the eastern Pacific region and is common throughout its range. There are no known major threats to this species, and no current indication of population decline from commercial fishing activities in some parts of its range.
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IUCN Red List: Not evaluated / Listed

CITES: Not listed
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Population

Population
According to Robertson and Allen (2006), Pomadasys panamensis is a common species in Panama, and it is frequently collected in shrimp trawls.

Population Trend
Unknown
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Threats

Major Threats
Although not considered a major threat to global populations at this time, Pomadasys panamensis is considered to be important for commercial fishing in Gulf of Montijo, Panama (Vega 2004), as well as in El Salvador.
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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 species-specific conservation measures in place for Pomadasys panamensis. However, it may be present in some marine protected areas in Peru, Ecuador, Colombia, Panama, Costa Rica, Nicaragua, Honduras, El Salvador, Guatemala and Mexico (Roca et al. 2003).
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: minor commercial; price category: medium; price reliability: very questionable: based on ex-vessel price for species in this family
  • McKay, R.J. and M. Schneider 1995 Haemulidae. Burros, corocoros, chulas, gallinazos, roncos. p. 1136-1173. 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. 9114)
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