Shorefishes of the Eastern Pacific online information system

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Species: Chaenopsis species A, Panamic pike-blenny

All Families:   All Genera:   All Species:

snout short
no notch behind head
D: 34-36, female + ocellus
male D - slightly raised, blue-grey
teeth at front roof of mouth
tongue short
pectoral 13

Chaenopsis species A

Panamic pike-blenny

Body very elongate; head long; no cirri on head; snout strongly pointed, projecting, short (23% of head length), narrow; long mouth, usually reaching far behind eye, tip of lower jaw projecting; front of roof of mouth with small teeth; tongue short, tip not extending beyond teeth on sides of roof of mouth; dorsal fin XVII, 34-36, front half of fin moderately elevated in adult males; anal rays II, 37; pectoral rays 13; tail fin rounded, joined to dorsal and anal fins.

Body translucent with irregular blotches along midflank; usually a dark spot immediately behind eye; branchiostegal membranes black; female and juvenile with large ocellus on front of dorsal fin; male: front of dorsal fin grayish to blackish.

Size: 11 cm.

Habitat: rubble habitats near reefs.

Depth: 5-30 m?

Costa Rica to Colombia.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Barnacles & worm tubes
  • Soft bottom only
  • Reef associated (reef + edges-water column & soft bottom)
  • Sand & gravel
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Planktivore
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
  • Pelagic fish eggs
  • No Data
  • Zooplankton
Egg Type
  • No data
  • Benthic
  • Pelagic larva
Global Endemism
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
  • All species
Regional Endemism
  • Continent only
  • Continental TEP endemic
  • All species
  • TEP endemic
  • Continent
  • Panamic province endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 11
Depth Range Min
  • 5
Depth Range Max
  • 30