Species: Dialommus fuscus, Galapagos foureye blenny
eye divided
Dialommus fuscus (Gilbert, 1891)
Galapagos foureye blenny
Body very elongate; head large, angular, depressed; 1-4 slender cirri over eye, 1 pair of short cirri on nape; surface of eye divided by fleshy bar; teeth in jaws forming narrow bands; teeth on center but not sides of roof of mouth; dorsal fin XXV, 13-15, a notch between spines and rays; anal fin with I, 28, short, stout spine has a fleshy covering; scales very small, smooth, ~ 60 in lateral series.
Light greenish to nearly black with series of 7-9 white blotches along base of dorsal fin, also diffuse white blotches along lower side; lips white and scattered white markings on head and pectoral fin, including a pair of large whitish areas on base of pectoral fin.
Size: grows to at least 12 cm.
Habitat: found in rocky areas of the intertidal zone, often seen above the water line resting on rocks.
Depth: 0-5 m.
Galapagos and Cocos Islands.
High Resolution Map Download
- Salinity
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- Marine Only
- Marine
- Inshore/Offshore
-
- Inshore Only
- Inshore
- Water Column Position
-
- Bottom only
- Bottom
- Habitat
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- Rocks
- Reef (rock/coral/oyster)
- Reef only
- Reef associated (reef + edges-water column & soft bottom)
- FishBase Habitat
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- Demersal
- Feeding Group
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- Data
- Carnivore
- Diet
-
- Insects
- Data
- Mobile benthic crustacea (shrimps/crabs)
- Egg Type
-
- No data
- Pelagic larva
- Benthic
- Global Endemism
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- All species
- East Pacific endemic
- Tropical Eastern Pacific (TEP) endemic
- Regional Endemism
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- Multiple oceanic islands endemic
- Island (s) only
- Island (s)
- TEP oceanic island (s) endemic
- All species
- TEP endemic
- Residency
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- Resident
- Climate Zone
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- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- IUCN Red List
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- Listed
- Vulnerable
- CITES
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- Not listed
- Length Max
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- 12
- Depth Range Min
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- 0
- Depth Range Max
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- 5
