Shorefishes of the Eastern Pacific online information system

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Species: Mccoskerichthys sandae, Tufted tube-blenny

All Families:   All Genera:   All Species:

very elongate
eye cirri: 5 pairs, very bushy
head green
eye black
body reddish



Mccoskerichthys sandae Rosenblatt & Stephens, 1978

Tufted tube-blenny

Body extremely elongate, slender, (depth at dorsal origin 8-10% of SL); snout blunt; outer row of teeth on both jaws with flattened tips; a dense bushy mass of 5 pairs of branched cirri over and between eyes; preopercle border not skin covered; dorsal fin low, with long base, XVII-XX, 31-34; anal rays II, 32-36 (usually 34 or 35); pectoral rays 12-14 (usually 13).

Head olive green; eye black; body reddish brown, with olive blotches; dorsal, anal and tail fins with reddish rays.

Size: to 8 cm.

Inhabits mollusc and worm tubes on near-vertical rock faces.

Depth: 1-30 m.

Costa Rica and western Panama.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
  • Rocks
  • Barnacles & worm tubes
  • Reef (rock/coral/oyster)
  • Reef only
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Demersal
Feeding Group
  • Data
  • Planktivore
  • Zooplankton
  • Pelagic fish eggs
  • Data
Egg Type
  • No data
  • Pelagic larva
  • Benthic
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • Continental TEP endemic
  • All species
  • Continent
  • Continent only
  • TEP endemic
  • Panamic province endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Near threatened
  • Listed
  • Not listed
Length Max
  • 8
Depth Range Min
  • 1
Depth Range Max
  • 30