Shorefishes of the Eastern Pacific online information system

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Species: Cheilotrema fasciatum, Arnillo drum

All Families:   All Genera:   All Species:

oblong, compressed
mouth below snout
dark + 1 pale bar & blotches
operculum: large black blotch
A: 2nd spine heavy, 8-9 rays



Cheilotrema fasciatum Tschudi, 1846

Arnillo drum

Body high, oblong, moderately compressed; forehead profile oblique, snout pointed; mouth a little below, small, ~ horizontal; chin with 5 pores, no barbels; 13-14 short, spiny gill rakers; preopercle edge smooth; anal short, II spines, 2nd  spine heavy, 2/3 as long as 1st  ray, 8-9 rays; dorsal fin X, I, 24-26, with deep notch between spiny and soft parts; pectoral short, not reaching tip of pelvic, 18 rays; tail edge straight; scales rough except smooth around eye; inner 1/3 of soft dorsal and inner 3/4 of anal scaly.; tail fin entirely scaled; 63-70 lateral line scales.

Body dark grey brown, with indistinct broad dark bars; a whitish bar under last dorsal spines; a light area on upper body under middle of 2nd  dorsal fin; a large black blotch on upper rear border of opercle; fins dark grey, pelvics darker, juveniles with a pair of dark bars at front of body, 2 dark blotches under soft dorsal that are joined by dark lines, a dark bar across tail base.

Size: 35 cm.

Habitat: caves and crevices near sandy bottoms, open bays and coasts?

Depth: 3-100 m?

Paita (Perú) to Valparaíso, Chile.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Near Bottom
  • Bottom + water column
  • Bottom
  • Water column
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
  • Rocks
  • Reef only
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • No Data
Egg Type
  • Pelagic
  • Pelagic larva
  • No data
Global Endemism
  • East Pacific endemic
  • All species
  • TEP non-endemic
Regional Endemism
  • Continent only
  • Temperate Eastern Pacific, primarily
  • Continent
  • Tropical Eastern Pacific (TEP) non-endemic
  • Peruvian province, primarily
  • All species
  • Vagrant
Climate Zone
  • South Temperate (Peruvian Province )
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 35
Depth Range Min
  • 3
Depth Range Max
  • 100