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Thalassoma robertsoni Allen, 1995
CLIPPERTON RAINBOW WRASSE
Life   Vertebrata   Fish   Labridae   Thalassoma

Thalassoma robertsoni
© Copyright Ross Robertson, 2006 · 12
Thalassoma robertsoni

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Thalassoma robertsoni
© Copyright Gerald Allen, 2006 · 0
Thalassoma robertsoni
Thalassoma robertsoni
© Copyright Gerald Allen, 2006 · 0
Thalassoma robertsoni
espaņol

Overview
Main identification features
  • initial phase : pale green and white + wide dark stripe
  • terminal phase : purple + wide yellow bar and yellow back
Dorsal rays VIII, 13; anal rays III, 11; pectoral rays 13-15; lateral line scales 25-27; 16-19 spines on first gill arch; head scaleless; each jaw with a pair of canines at front followed by gradually shorter, conical teeth, no canine at rear of jaw; tail fin with straight to slightly concave edge.

Initial phase: white lower half, greenish above, with an interrupted broad dark stripe along the midline. Terminal phase: mainly rose pink with a broad yellow bar behind the head; tail fin bluish.

Size: reaches 12 cm.

Habitat: lives on a coral reef.

Depth: 0-60 m.

Endemic to Clipperton Atoll.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 60 m.
Depth Range Min: 0 m.
Diet: mobile benthic crustacea (shrimps/crabs); mobile benthic gastropods/bivalves; zooplankton; mobile benthic worms; pelagic fish eggs.
Eastern Pacific Range: Northern limit=11; Southern limit=11; Western limit=-110; Eastern limit=-110; Latitudinal range=1; Longitudinal range=1.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore; Planktivore.
FishBase Habitat: Reef Associated.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Corals; Reef associated (reef + edges-water column & soft bottom); Reef (rock &/or coral); Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 12 cm.
Regional Endemism: Island (s) only; Island (s); TEP endemic; TEP oceanic island (s) endemic; Clipperton Island endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Mid Water; Near Bottom; Bottom + water column;


Names
Scientific source:

Links to other sites

References
  • Allen , G.R. and Robertson, D.R., 1997., An Annotated Checklist of the fishes of Clipperton Atoll, Tropical Eastern Pacific., Revista de Biologia Tropical, 45:813-843.
  • Allen, G.R., 1995., Thalassoma robertsoni, a new species of Wrasse (Labriade) from Clipperton Island Tropical Eastern Pacific Ocean., Revue Francaise de Aquariologie, 22:75-79.
  • Robertson , D.R. and Allen, G.A., 1996., Zoogeography of the shorefish fauna of Clipperton Atoll., Coral Reefs, 15:121-131.
  • Victor, B. C. and Wellington, G. M., 2000., Endemism and the pelagic larval duration of reef fishes in the eastern Pacific Ocean., Marine Ecology Progress Series, 205:241-248.

Acknowledgements

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


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