Shorefishes of the Eastern Pacific online information system

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Species: Calamus brachysomus, Pacific porgy

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forehead profile steep
D: 3rd & 4th spines longest
operculum edge: not dark
pectoral passes A origin

Calamus brachysomus (Lockington, 1880)

Pacific porgy

Body deep, compressed; head deep, upper profile steep; cheek below eye deep; rear nostril slit-like; large mouth with thick lips, heavy lower jaw; bone under front of eye overlaps rear bone of top jaw; jaw teeth in 2 rows, conical and slender canines at front, molar like at rear; preopercle border smooth; dorsal fin low, XIII,12  (XII-XIII,11-13 ), 3rd or 4th spine longest; anal fin short, III short spines, 10-11 soft rays; pectoral 13-16 (usually 15),long, reaching past origin of anal fin;  tail fin forked; cheeks and opercles scaly, but no scales on snout or between the eye and mouth; lateral-line scales 45-52.

Silvery, lips and chin white; edge of operculum not dark; axil of pectoral fin blackish .

Size: to 61 cm.

Habitat: usually seen on flat sandy bottoms in clear water.

Depth: 3-80 m.

Baja California to the Gulf of California to Peru, and the Revillagigedos, Galapagos and Malpelo.

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  • Marine
  • Brackish
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Reef associated (reef + edges-water column & soft bottom)
  • Soft bottom only
  • Sand & gravel
FishBase Habitat
  • Reef Associated
Feeding Group
  • Data
  • Carnivore
  • Sea-stars/cucumbers/urchins
  • Mobile benthic gastropods/bivalves
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic larva
  • No data
  • Pelagic
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • All species
  • Continent + Island (s)
  • TEP endemic
  • Island (s)
  • Continent
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • South Temperate (Peruvian Province )
  • North Temperate (Californian Province &/or Northern Gulf of California)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 61
Depth Range Min
  • 3
Depth Range Max
  • 80