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Clarkichthys bilineatus (Clark, 1936)
FLAGTAIL WORMFISH
Flagtail worm-goby

Life   Vertebrata   Fish   Microdesmidae   Clarkichthys

Clarkichthys bilineatus
© Copyright Ross Robertson, 2006 · 12
Clarkichthys bilineatus

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Clarkichthys bilineatus
© Copyright Photographer/SFTEP, 2002 · 0
Clarkichthys bilineatus
Clarkichthys bilineatus
© Copyright Photographer/SFTEP, 2002 · 0
Clarkichthys bilineatus

Clarkichthys bilineatus
© Copyright Photographer/SFTEP, 2002 · 0
Clarkichthys bilineatus
Clarkichthys bilineatus
© Copyright Photographer/SFTEP, 2002 · 0
Clarkichthys bilineatus
español

Overview
Main identification features Body short, stubby, eel-like, with depth ~8% of standard length; tail (without fin) shorter than head and body; gill opening a small tube at pectoral base; teeth in 2 rows; nostrils tubular; lips not broad and fleshy; teeth chisel-like; dorsal fin origin over pectoral, XVII-XIX spines, 28-32 rays, first 2 spines short, close together; anal 2 spines, 28-31 rays; dorsal and anal fins not confluent with tail; pectoral 11-12 rays; tail 17 segmented rays; pelvic 1 spine, 3 rays; scales well separated, sparse on head and belly.

White to tan; a broad black stripe along midback from snout to top of tail; a broad black stripe along mid side extending from tip of mouth, covering both jaws, passing under eye to upper operculum and thence middle of tail fin; top and bottom edges of tail black.

Size: 6.5 cm.

Habitat: high-salinity tidepools, and rocky and coral habitat.

Depth: 0-10 m.

The tip of Baja California and Nayarit (Mexico) to Ecuador, and the Galapagos and Cocos.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 10 m.
Depth Range Min: 0 m.
Diet: zooplankton; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=24; Southern limit=-2; Western limit=-110; Eastern limit=-78; Latitudinal range=26; Longitudinal range=32.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Reef Associated.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Reef associated (reef + edges-water column & soft bottom); Rocks; Reef (rock &/or coral); Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 6.5 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); TEP endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Clark, H.W., 1936., The Templeton Crocker Expedition of the California Academy of Sciences.1932. No. 29. New and noteworthy fishes., Proceedings of the California Academy of Sciences (Series 4), 4:21(29):383-396.
  • 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.
  • Findley, L.T., Hendrickx, M.E., Brusca, R.C., van der Heiden, A.M., Hastings, P.A., Torre, J., 2003., Diversidad de la Macrofauna Marina del Golfo de California, Mexico., CD-ROM versión 1.0. Projecto de la Macrofauna del Golfo .  Derechos reservados de los autores y Conservación Internacional.
  • 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.
  • Love, M.S., Mecklenburg, C.W., Mecklenburg, T.A., Thorsteinson, L.K., 2005., es of the West Coast and Alaska: a checklist of North Pacific and Artic Ocena species from Baja California to the Alaska-Yukon border., U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, 288pp.
  • Rubio, E.A., 1986., Notas sobre la ictiofauna de la Isla de Gorgona, Colombia., Boletin Ecotropica. Univ. Bog. Jorge Tadeo Lozano, 13:86-112.
  • Thacker, C., 2000., Phylogeny of the wormfishes (Teleostei: Gobioidei: Microdesmidae)., Copeia, 2000:940-957.
  • Van der Heiden , A. M. and Findley, L. T., 1988., Lista de los peces marinos del sur de Sinaloa, México., Anales del Centro de Ciencias del Mar y Limnologia de la Universidad Autonoma Nacional de Mexico, 15:209-224.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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Updated: 2024-06-16 02:43:38 gmt
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