Shorefishes of the Eastern Pacific online information system

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Species: Liopropoma fasciatum, Rainbow bass, Rainbow basslet, Wrasse ass bass

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purple & red + 3 yellow stripes

Liopropoma fasciatum Bussing, 1980

Rainbow basslet, Rainbow bass, Wrasse ass bass

Body moderately elongate and compressed; head pointed, with nearly horizontal upper profile; eye moderate to large; front nostril tubular, near top lip; mouth moderately large, slightly oblique, lower jaw projecting; rear of top jaw exposed when mouth closed, without accessory bone above it, lower rear corner of top jaw bone with prominent, bluntly pointed, ventral projection; rear edge of preopercle usually serrated; operculum with 3 broad flat spines at rear; dorsal fin with VIII spines, 12 rays, strongly notched, 3rd spine longest; anal rays III,8; pectoral rays 15;  tail base deep, strongly compressed; tail fin rounded to slightly forked; scales small, rough; pored lateral-line scales 46-47.

Head and back dark pinkish purple, fading to reddish below; flank with a dark brown midlateral stripe with yellow stripe above and below; a red to brownish stripe below base of dorsal fin with narrow yellow stripe above; dorsal fin black with red base, white edge; anal fin red; tail fin reddish, 2 white stripes from flank stripes

Size: to 26.5 cm.

Inhabits rocky and coral reefs.

Depth: 25-250 m.

Central Gulf of California to Ecuador, Clipperton, Cocos, Malpelo and the Galapagos.

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Species Data Create Report Export as Word File Export as Excel File
  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • Reef (rock/coral/oyster)
  • Corals
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef only
FishBase Habitat
  • Reef Associated
Feeding Group
  • Data
  • Carnivore
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
  • Data
Egg Type
  • Pelagic larva
  • Pelagic
  • No data
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • Continent + Island (s)
  • All species
  • TEP endemic
  • Continent
  • Island (s)
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 26.5
Depth Range Min
  • 25
Depth Range Max
  • 250