See
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| Overview |
Main identification features
- top lip - branched cirrus between nostrils
- dorsal fin x-xii
- scales - dark edges
- chin - ridges
- gill opening - narrow tube belly - row dark dots
- anal fin 28-32
Short, stubby, eel-like, body height ~10% of standard length; tail longer than head and body; gill opening small, tubular; top lip with a two-lobed cirrus between the front and rear nostrils; top lip not notched below front nostril; lower lip with broad fleshy expansion at rear; chin ridged on sides; 2 rows of teeth on each jaw, conical outer row, chisel-like inner row; dorsal fin spines equal height and spacing; dorsal and anal fins not confluent with tail; dorsal fin origin over or behind pressed-down pectoral fin, X-XII, 30-33 rays; anal fin 28-32 rays; pectoral 15 rays; scales small, close-set to slightly overlapping on head and upper body; body completely scaled except for mouth and area before rear nostril; tail fin with inner 1/2 scaled; a few scales on base of pelvics.
Brown to tan, paler below; top of head mottled; sometimes 3 narrow pale bars angled across operculum and cheek; scales on sides with dark margins; mid-belly with row of dark dots; front of chin dark; fins pale; pupil dark grey.
Size: 8 cm.
Habitat: mangrove swamp, including high intertidal.
Depth: 0-2 m.
Costa Rica to Ecuador.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 2 m.
Depth Range Min: 0 m.
Diet: zooplankton; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=11; Southern limit=-3; Western limit=-86; Eastern limit=-78; Latitudinal range=14; Longitudinal range=8.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Estuary; Mangrove; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 8 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Panamic province endemic; All species.
Residency: Resident.
Salinity: Brackish; Non Marine.
Water Column Position: Bottom; Bottom only;
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| Names | |
| | Scientific source: | |
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- Dawson, C.E., 1974., A review of the Microdesmidae (Pisces: Gobioidea).1.Cerdale and Clarkichthys with descriptions of three new species., Copeia, 1974(2):409-448.
- Fischer , W. , Krup , F. , Schneider , W. , Sommer , C. , Carpenter , K. E. and Niem, V. H., 1995., Guia FAO para la Identificacion de Especies de para los fines de la Pesca. Pacifico Centro-Oriental. Volumen II. Vertebrados - Parte 1., FAO2:647-1200.
- Lopez , M. I. and Bussing, W. A., 1982., Lista provisional de los peces marinos de la Costa Rica., Revista de Biologia Tropical, 30(1):5-26.
- Thacker, C., 2000., Phylogeny of the wormfishes (Teleostei: Gobioidei: Microdesmidae)., Copeia, 2000:940-957.
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