Species: Microdesmus intermedius, Long-tailed worm-goby

eye tiny, high

pectoral 10-14
Microdesmus intermedius Meek & Hildebrand, 1928
Long-tailed worm-goby
Slender, wormlike, body height 3-9% of SL; tail (without fin) 61-70% of TL; head deep; eyes tiny, high on side of head, skin covered; pores on cheek form a faint X; snout blunt and square, lower jaw only a little projecting; lips thick, with fleshy folds, flanges at sides of corner of mouth; teeth small, conical, close-set in 2 irregular rows; gill opening large (not tubular), longer than base of pectoral; dorsal fin spines evenly spaced, 66-68 elements, origin over rear ½ of pectoral; anal II, 43-49; pectoral 12 (10-14) rays; pelvics I, 3, shorter than pectorals; tail fin rounded, short; dorsal and anal fins confluent with tail fin; scales small, non-overlapping, well separated; body and head scaly except for snout and lower jaw; scales with 31 radiating ridges.
(Preserved fish) uniform olive; tail slightly dusky, other fins clear.
Size: 11 cm.
Habitat: rocky shores.
Depth: 0-10 m.
Costa Rica to Panama.

High Resolution Map Download
- Salinity
-
- Non Marine
- Brackish
- Inshore/Offshore
-
- Inshore
- Inshore Only
- Water Column Position
-
- Bottom only
- Bottom
- Habitat
-
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Sand & gravel
- Soft bottom only
- Estuary
- FishBase Habitat
-
- Demersal
- Feeding Group
-
- No Data
- Carnivore
- Diet
-
- Mobile benthic crustacea (shrimps/crabs)
- Mobile benthic worms
- No Data
- Egg Type
-
- Benthic
- Pelagic larva
- No data
- Global Endemism
-
- East Pacific endemic
- All species
- Tropical Eastern Pacific (TEP) endemic
- Regional Endemism
-
- Continent
- Continent only
- All species
- Panamic province endemic
- Continental TEP endemic
- TEP endemic
- Residency
-
- Resident
- Climate Zone
-
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- IUCN Red List
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- Data deficient
- Listed
- CITES
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- Not listed
- Length Max
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- 11
- Depth Range Min
-
- 0
- Depth Range Max
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- 10