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Axoclinus cocoensis Bussing, 1991
COCOS TRIPLEFIN
Life   Vertebrata   Fish   Tripterygiidae   Axoclinus

Axoclinus cocoensis
© Copyright Ross Robertson, 2006 · 12
Axoclinus cocoensis

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Axoclinus cocoensis
© Copyright Ross Robertson, 2006 · 12
Axoclinus cocoensis
espaņol

Overview
Main identification features
  • body: 3 dark bars
  • tail base: black, c: black + pale bar
  • male - red head
  • female - orange spots
Dorsal rays III + XIII + 9, segmented rays unbranched except last ray may be branched at base; anal rays II, 18; pectoral rays 16-17; pelvic rays I, 2; lateral line gradually descending from upper edge of gill cover to midlateral axis; lateral line with 21-26 tubed scales followed by 8-12 notched scales; scales above lateral line about twice as wide as long; total scales in longitudinal series 33-35; a small pointed cirrus on upper edge of eye; scales absent on head, breast, belly, and base of pectoral fins.

Female greyish, with orange lines on head and 3 irregular orange bars on body; Male: head reddish, side with 3 broad dark brown bars with narrow whitish spaces between them; a black band around base of tail; caudal fin frequently black with pale base.

Size: reaches about 3.5 cm.

Inhabits shallow rocky areas.

Depth: 1-35 m.

Isla del Coco.



Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 35 m.
Depth Range Min: 1 m.
Diet: mobile benthic worms; mobile benthic gastropods/bivalves; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=6; Southern limit=6; Western limit=-88; Eastern limit=-87; Latitudinal range=1; Longitudinal range=1.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Corals; 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: 3.5 cm.
Regional Endemism: Island (s) only; Island (s); TEP endemic; TEP oceanic island (s) endemic; Cocos Island endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Bussing, W.A., 1991., A new genus and two new species of tripterygiid fishes from Costa Rica., Revista de Biologia Tropical, 39(1):77-85.
  • Fowler, H.W., 1944., Results of the Fifth George Vanderbilt Expedition (1941) (Bahamas, Caribbean sea, Panama, Galapagos Archipelago and Mexican Pacific Islands). The Fishes., Acad. Nat. Sci. Philadel., Monographs, 6:57-529.
  • Smith , D. G. and Williams, J. T., 2002., History and status of the genera Enneanectes and Axoclinus (Teleostei: Blennioidei: Tripterygiidae)., Zootaxa, 105:1-10.

Acknowledgements

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


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Updated: 2024-04-26 02:55:11 gmt
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