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Species: Hypsoblennius jenkinsi, Mussel blenny

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1 bushy eye cirrus
eye: 2 bars under, crescent behind
D: ~ no notch after spines
mottled brown, saddles under D
no canines
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This Species (3) This Genus (9) Similar Species (3)

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Hypsoblennius jenkinsi (Jordan & Evermann, 1896)

Mussel blenny

Moderately elongate; short robust head, with very steep front profile; rear nostril with a cirrus; an 1 pair heavily branched 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-XIII, 15-18, a slight notch between the spiny and soft parts; anal rays II, 15-20.

Head pale, with 2 thin dark bars under eye, usually a dark crescent behind eye; body mottled brown, often tinged with red, a series of short dark bars under dorsal fin; dorsal & anal lightly speckled, tail with 2 faint bars, dark smudge on base of pectoral.

Size: 13 cm.

Habitat: in burrows of boring clams & worm tubes on rocky shores, also in mussel beds.

Depth: 1-20 m.

California to central Baja and the northern half of the Gulf of California.

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Species Data Create Report Export as Word File Export as Excel File
Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
Habitat
  • Reef associated (reef + edges-water column & soft bottom)
  • Barnacles & worm tubes
  • Rocks
  • Reef only
  • Reef (rock/coral/oyster)
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Omnivore
Diet
  • Benthic microalgae
  • Mobile benthic crustacea (shrimps/crabs)
  • No Data
  • Mobile benthic worms
Egg Type
  • Pelagic larva
  • Benthic
  • No data
Global Endemism
  • East Pacific endemic
  • All species
  • TEP non-endemic
Regional Endemism
  • California province, primarily
  • Tropical Eastern Pacific (TEP) non-endemic
  • Continent
  • All species
  • Continent only
  • Temperate Eastern Pacific, primarily
Residency
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • North Temperate (Californian Province &/or Northern Gulf of California)
IUCN Red List
  • Least concern
  • Listed
CITES
  • Not listed
Length Max
  • 13
Depth Range Min
  • 1
Depth Range Max
  • 20