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Species: Apogon atradorsatus, Blacktip cardinalfish

All Families:   All Genera:   All Species:

red to orange
D2, A and C vary from no color, to black tips to all black
Galapagos, Cocos, Malpelo

Apogon atradorsatus Heller & Snodgrass, 1903

Blacktip Cardinalfish

Body oblong, compressed; head large, snout short; eye large; teeth small, no canines, usually present on center and sides of roof of mouth; gill rakers (including rudiments) 5 + 13-14; preopercle serrated, lower membranous flap not extending beyond edge of preoperculum; dorsal rays VI + I, 9; anal rays II, 8; pectoral rays 12; tail fin moderately concave; body scales rough; last few scales on tail fin; a row of scales along center of nape; lateral line complete, extends onto base of tail fin; lateral-line scales 24-26.

Generally uniform dusky brownish red except yellow orange on belly region and lower half of head; outer half of second dorsal fin with prominent black blotch; tail lobes with black tips.

Size: grows to at least 13 cm.

Inhabits rocky reefs.

Depth: 3-50 m.

Galapagos, Cocos and Malpelo Islands; vagrant at Gorgona Is.

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  • Marine Only
  • Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Near Bottom
  • Bottom + water column
  • Water column
  • Rocks
  • Reef only
  • Reef associated (reef + edges-water column & soft bottom)
  • Corals
  • Reef (rock/coral/oyster)
FishBase Habitat
  • Reef Associated
Feeding Group
  • No Data
  • Planktivore
  • No Data
  • Pelagic fish larvae
  • Pelagic fish eggs
  • Zooplankton
Egg Type
  • No data
  • Pelagic larva
  • Brooded
Global Endemism
  • All species
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • Island (s)
  • TEP oceanic island (s) endemic
  • Island (s) only
  • All species
  • TEP endemic
  • Multiple oceanic islands endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Listed
  • Least concern
  • Not listed
Length Max
  • 13
Depth Range Min
  • 3
Depth Range Max
  • 50