Species: Cerdale ionthas, Spotted worm-goby
Cerdale ionthas Jordan & Gilbert, 1882
Spotted worm-goby
Body short, stubby, eel-like, body height ~ 10% of SL; mouth strongly oblique, lower jaw projecting; lower lip with a V shaped notch at center, no notch at side under front nostril; 2 rows of teeth on each jaw, conical outer row, chisel-like inner row; gill opening tubular; dorsal fin spines of equal height and spacing XI-XIII, 31-34 (usually XII, 32-33), origin in front of level of pectoral fin tips; anal rays 0, 27-31 (usually 29-31); pectoral rays 13-15 (usually 14); dorsal and anal fins unconnected to tail fin; scales separate to close-set and partly overlapping.
Overall whitish with a reticulation of heavy brown to blackish spotting and mottling, particularly on head.
Size: grows to 7.5 cm.
Habitat: occurs in very shallow water on rocky coasts, including tide pools.
Depth: 0-2 m.
Costa Rica to Ecuador.
High Resolution Map Download
- Salinity
-
- Marine
- Brackish
- Inshore/Offshore
-
- Inshore Only
- Inshore
- Water Column Position
-
- Bottom only
- Bottom
- Habitat
-
- Beach
- Reef associated (reef + edges-water column & soft bottom)
- Estuary
- Mangrove
- Reef and soft bottom
- Rocks
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Reef (rock/coral/oyster)
- FishBase Habitat
-
- Demersal
- Feeding Group
-
- Carnivore
- No Data
- Diet
-
- Zooplankton
- Mobile benthic crustacea (shrimps/crabs)
- Data
- Egg Type
-
- No data
- Benthic
- Pelagic larva
- Global Endemism
-
- All species
- Tropical Eastern Pacific (TEP) endemic
- East Pacific endemic
- Regional Endemism
-
- TEP endemic
- Continent only
- Continent
- Panamic province endemic
- Continental TEP endemic
- All species
- Residency
-
- Resident
- Climate Zone
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- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- IUCN Red List
-
- Data deficient
- Listed
- CITES
-
- Not listed
- Length Max
-
- 7.5
- Depth Range Min
-
- 0
- Depth Range Max
-
- 2
