Species: Entomacrodus chiostictus, Notchfin blenny, Rock blenny
top lip wrinkled
Entomacrodus chiostictus (Jordan & Gilbert, 1882)
Notchfin blenny, Rock blenny
Body very elongate; head short and blunt; snout rounded, overhanging; simple cirrus over front nostril; eye cirrus with 1-10 tips (more in larger fish); 1 pair of slender cirri on nape;no fleshy crest on head; many movable teeth on each jaw; teeth on front of roof of mouth; lower surface of top lip wrinkled at sides; gill openings broad, forming a fold across throat; gill rakers 14-20; dorsal fin with deep notch between spiny and soft parts, XIII spines, but the last one tiny and hard to see, 14-16 (usually 14-15); anal rays II, 15-17 (usually 16); pectoral rays 14; some tail fin rays branched; lateral line is a short arch over pectoral; no scales.
Olive on back, white on lower sides; a longitudinal row of square to rectangular black blotches along middle of side; upper front of body with small dark spots, all body with white spots and flecks; thin brown bars on snout, lips, and cheeks.
Size: reaches 8 cm.
Inhabits intertidal rocky reefs, including tide pools.
Depth: 0-2 m.
Central Gulf of California to Colombia, also all the offshore islands.
High Resolution Map Download
- Salinity
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- Marine Only
- Marine
- Inshore/Offshore
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- Inshore
- Inshore Only
- Water Column Position
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- Bottom
- Bottom only
- Habitat
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- Rocks
- Reef associated (reef + edges-water column & soft bottom)
- Reef only
- Reef (rock/coral/oyster)
- Corals
- FishBase Habitat
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- Reef Associated
- Feeding Group
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- Herbivore
- Data
- Detritivore
- Diet
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- Data
- Benthic microalgae
- Detritus
- Egg Type
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- No data
- Pelagic larva
- Benthic
- Global Endemism
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- East Pacific endemic
- Tropical Eastern Pacific (TEP) endemic
- All species
- Regional Endemism
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- Continent + Island (s)
- Continent
- TEP endemic
- Island (s)
- All species
- Residency
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- Resident
- Climate Zone
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- Northern Subtropical (Cortez Province + Sinaloan Gap)
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- IUCN Red List
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- Least concern
- Listed
- CITES
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- Not listed
- Length Max
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- 8
- Depth Range Min
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- 0
- Depth Range Max
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- 2
