Shorefishes of the Eastern Pacific online information system

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Species: Hypsoblennius proteus, Socorro blenny, Variable blenny

All Families:   All Genera:   All Species:

2 slender eye cirri
iris orange
D: with notch
back: 5 red-brown bars
behind eye: white bordered pale oblique bar
no canines

Hypsoblennius proteus (Krejsa, 1960)

Socorro blenny, Variable blenny

Moderately elongate; short robust head, steep front profile; nostril with slender cirrus; 2 pairs long slender cirri above eyes; no cirri on nape; teeth with blunt flattened tips, in single rows, not movable, no rear canines on either jaw; gill openings restricted to sides of body by fusion of gill cover membranes to throat; dorsal fin XI-XII, 12-13, shallow notch between the spiny and soft parts; anal rays II, 14-15.

Head olive to flesh; a blue-dotted, blue-white bordered orange bar angles down & back from eye; blue-black blotch to half-moon behind eye; orange bars composed of dense dots radiate from eye; eye cirri orange; iris orange, sometimes with inner blue-white ring; body pale olive to flesh above, flesh with black peppering on belly; 5 dark red-brown to blackish bars on upper ½ of body and tail base; with irregular blotches in between; a series of white lines and spots along the midflank; pectoral with blue-white bar angled across base, clear membranes, brown to blackish rays; dorsal light olive-green, dusted with black, more densely on spiny part; anal olive, sometimes with white margin; tail with olive base fading to clear margin.

Size: 3.8 cm.

Habitat: rocky shores.

Depth: 0-5 m.

Revillagigedos Islands.


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Salinity
  • Marine Only
  • Marine
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
Habitat
  • Reef associated (reef + edges-water column & soft bottom)
  • Rocks
  • Reef (rock/coral/oyster)
  • Reef only
FishBase Habitat
  • Demersal
Feeding Group
  • Omnivore
  • No Data
Diet
  • Benthic microalgae
  • Mobile benthic worms
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • No data
  • Pelagic larva
  • Benthic
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • TEP endemic
  • Island (s)
  • TEP oceanic island (s) endemic
  • Island (s) only
  • All species
  • Revillagigedo Islands endemic
Residency
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Listed
  • Vulnerable
CITES
  • Not listed
Depth Range Min
  • 0
Depth Range Max
  • 5
Length Max
  • 3.8