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Species: Serranus tico, Cocos serrano

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head red-brown
body: ~ 8 red & yellow bars
Cocos Is

Serranus tico Allen & Robertson, 1998

Cocos serrano

Body elongate, moderately compressed, body depth 3.6-3.7 in SL; preopercle regularly serrated, no spur with enlarged spines; dorsal rays X, 12; anal rays III, 7; pectoral rays 16; pelvics inserted before pectoral base; tail with straight edge; scales rough, relatively large, lateral-line scales 47-50.

Head & nape red brown; a thin blue stripe  behind top of eye, another above eye; a white stripe under eye running back through center of operculum; a blackish blotch & small orange spots on lower preopercle and lower opercle; body with about eight long, narrow bars these red on upper half and bright yellow to orange below, front bars may coalesce to form more or less solid red area on upper body, in which case the yellow portions have the appearance of a row of vertically elongate rectangular blotches; a broad whitish bar across tail base; base of caudal fin red; spinous dorsal red basally, a row of white spots centrally, outer part orange, with white spine tips; pelvics white.

Size: grows to at least 8.5 cm.

Inhabits sand-rubble fringe of reefs.

Depth: 10-43 m.

Cocos and Malpelo Islands.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • Reef (rock/coral/oyster)
  • Reef only
  • Reef associated (reef + edges-water column & soft bottom)
  • Rocks
  • Corals
FishBase Habitat
  • Reef Associated
Feeding Group
  • No Data
  • Carnivore
  • Octopus/squid/cuttlefish
  • No Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic
  • No data
  • Pelagic larva
Global Endemism
  • East Pacific endemic
  • All species
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • Island (s) only
  • All species
  • TEP endemic
  • Island (s)
  • TEP oceanic island (s) endemic
  • Multiple oceanic islands endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Depth Range Min
  • 10
Depth Range Max
  • 43
Length Max
  • 8.5