Shorefishes of the Eastern Pacific online information system

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Species: Mycteroperca xenarcha, Broomtail grouper

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body - elongate dark blotches with pale centers
dark lines radiate from eye
D: 2nd-7th spines ~ same length
soft D & A pointed
C edge saw-toothed
preoperculum corner - angular, strongly serrated

Mycteroperca xenarcha Jordan, 1888

Broomtail grouper

Body elongate, robust, compressed, depth at dorsal origin not greater than at anal origin; body deepest at anal fin origin; snout much longer than eye; lower jaw projecting; rear of top jaw exposed when mouth closed, without accessory bone above it; teeth depressible; canines at front of jaws; preopercle corner angular, with serrated lobe; gill rakers 29-33; dorsal rays XI, 16-17, spines 2-7 same length; anal rays II, 10-11; ends of soft dorsal and anal strongly pointed; pectoral rays 16- 18 (usually 17); tail fin with jagged rear edge; scales in longitudinal series above lateral line 110-120.
Head and body light brown; head with many radiating dark lines from eye; body with elongate dark brown blotches (often with light brown centres); fish can change color to uniform grey-brown.
Size: to about 150 cm and 49.2 Kg.
Inhabits rocky reefs and mangrove estuaries.
Depth: 1-70 m.
Northern California to the central Gulf of California to central Peru.

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  • Freshwater
  • Marine
  • Brackish
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Mangrove
  • Freshwater
  • Estuary
  • Reef (rock/coral/oyster)
  • Reef and soft bottom
  • Reef associated (reef + edges-water column & soft bottom)
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Rocks
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
  • No Data
Egg Type
  • Pelagic
  • Pelagic larva
  • No data
Global Endemism
  • East Pacific endemic
  • All species
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • Continental TEP endemic
  • Continent only
  • All species
  • Continent
  • TEP endemic
  • 3 provinces (Cortez + Mexican + Panamic) endemic
  • Resident
Climate Zone
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • South Temperate (Peruvian Province )
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Listed
  • Least concern
  • Not listed
Length Max
  • 150
Depth Range Min
  • 1
Depth Range Max
  • 70