Overview

Comprehensive Description

Description

  Common names: grunt (English), sargo (English), burro (Espanol)
 
Anisotremus pacifici (Günther, 1864)


Carruco grunt,     Pacific grunt,     Carruco sargo



Body deep, compressed, back high; head short, blunt; mouth small, low, ~ horizontal, lips fleshy; inside mouth not red; teeth in bands on jaws, outer ones larger, conical, none on center roof of mouth; a pair of conspicuous pores plus a central groove under the chin; preopercle finely serrated; dorsal continuous but deeply notched, 4th  spine longest, XI, 14; anal III, 9-10, 2nd  spine long and thick;  longest dorsal spine and 2nd  anal spine < ½  head length; pectoral fins very short, not reaching tip of pelvic; tail forked; scales moderate to large, rough, over entire body and head except front of snout, lips and chin, on membranes between dorsal and anal soft rays;  lines of scales above lateral line in rows parallel to lateral line; lateral-line scales 45-48.


Whitish to dusky pale grey with 4-5 blackish bars on body and head (bars quickly disappear after death); soft dorsal and soft part of anal fin dusky blackish.

Size: to at least 30 cm.

Habitat: inshore waters on sandy or muddy bottoms, also enters estuaries and rivers.

Depth: 3-35 m.

Central Mexico to northern Peru.
   
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Biology

Found over hard bottoms of shallow coastal waters (Ref. 9114). Marketed fresh (Ref. 9114).
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Distribution

Depth

Depth Range (m): 3 (S) - 35 (S)
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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 Peru.
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Eastern Pacific.
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Physical Description

Morphology

Size

Length max (cm): 30.0 (S)
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Size

Maximum size: 350 mm ---
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Max. size

35.0 cm TL (male/unsexed; (Ref. 11035))
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Diagnostic Description

Body compressed and deep (depth contained 2.3 to 2.7 times in standard length); mouth small and terminal with thick fleshy lips; dorsal fin with 11 spines and 13 or 14 soft rays (XI, 13-14) ; pectoral fins shorter than head, not reaching origin of anal fin; lateral line with 45 to 48 scales; scale series above lateral line parallel to it; body ash gray with 4 or 5 irregular transverse bars that fade with age; fins blackish (Ref. 55763).
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Ecology

Habitat

Depth range based on 6 specimens in 1 taxon.

Environmental ranges
  Depth range (m): 2 - 17.25

Graphical representation

Depth range (m): 2 - 17.25
 
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: Near Bottom, Bottom, Bottom + water column

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

FishBase Habitat: Demersal
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Environment

demersal; marine
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Depth range based on 6 specimens in 1 taxon.

Environmental ranges
  Depth range (m): 2 - 17.25

Graphical representation

Depth range (m): 2 - 17.25
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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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, sponges/seasquirts/bryozoa
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Life History and Behavior

Reproduction

Egg Type: Pelagic, Pelagic larva
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Anisotremus pacifici

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
Species With Barcodes: 1
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Barcode data: Genyatremus pacifici

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: Genyatremus pacifici

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List: Not evaluated / Listed

CITES: Not listed
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Threats

Least Concern (LC)
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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
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