Shorefishes of the Eastern Pacific online information system

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Species: Pronotogrammus multifasciatus, Speckled bass, Threadfin bass

All Families:   All Genera:   All Species:

pink/red
C red, yellow border, angular tips
pectoral just reaches A origin
pelvic - very long ray

Pronotogrammus multifasciatus Gill, 1863

Threadfin Bass, Speckled Bass

Body elongate, strongly compressed; head short, strongly compressed; eye moderate; mouth moderately oblique, lower jaw projecting, top jaw bone without additional bone above; a patch of granular teeth on tongue; preoperculum with rear margin serrated; 37-42 rakers on first gill arch; dorsal fin X-XI + 14-15, no elongate spines; anal III, 7-8; pectoral 18-20 rays, just reaching to origin of anal fin; pelvics - 2nd ray very long, reaching past anal spines, sometimes past anal fin base; tail forked, with angular tips, rays in center of fin may be extended as filaments; 45-56 scales on lateral line; 2-3 scale rows between lateral line and 5th dorsal spine; head and jaws completely scaled.

Head and body red-pink; upper body with ~ 20 thin short irregular dark bars, lower body with yellow mottling; yellow stripe under eye to tip of top jaw, short yellow stripes behind eye; fins red, with yellow edges; soft dorsal fin with yellow spots, rear edge of tail broadly yellow.

Size: 29 cm.

Habitat: demersal, probably on rock, sand and shell bottoms.

Depth: 40-400 m.

From California to the mouth of the Gulf of California to northern Peru, and the Revillagigedos, Galapagos, Malpelo and Cocos.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom + water column
  • Near Bottom
  • Bottom
Habitat
  • Reef and soft bottom
  • Water column
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Reef (rock/coral/oyster)
  • Rocks
  • Sand & gravel
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Demersal
Feeding Group
  • Planktivore
  • Carnivore
  • Data
Diet
  • Pelagic fish larvae
  • Zooplankton
  • Data
Egg Type
  • No data
  • Pelagic larva
  • Pelagic
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • TEP endemic
  • Continent + Island (s)
  • All species
  • Island (s)
  • Continent
Residency
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • South Temperate (Peruvian Province )
IUCN Red List
  • Least concern
  • Listed
CITES
  • Not listed
Length Max
  • 29
Depth Range Min
  • 40
Depth Range Max
  • 400