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Lepidonectes bimaculatus G. R. Allen and D. R. Robertson, 1992
TWIN-SPOT TRIPLEFIN
Life   Vertebrata   Fish   Tripterygiidae   Lepidonectes

Lepidonectes bimaculatus
© Copyright Ross Robertson, 2006 · 12
Lepidonectes bimaculatus

IDnature guide

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Lepidonectes bimaculatus
© Copyright Ross Robertson, 2006 · 12
Lepidonectes bimaculatus
espaņol

Overview
Main identification features
  • 2 white saddles (back and tail base)
  • 1st dorsal fin : red and white
Dorsal rays III+XIII+10-11, segmented rays branched except first two and penultimate ray sometimes unbranched; anal rays II, 18-20; pectoral rays 17; pelvic rays I, 2; lateral line more or less horizontal; lateral line with 24-26 tubed scales followed three rows below by 8-11 notched scales; total scales in longitudinal series 35; orbital cirrus lanceolate; scales rough except smooth on belly; upper half of preopercle covered with small scales; scales absent on pectoral-fin base; small spinules on edge of orbits, margin of preopercle, nape, and dorsal surface of snout.

Dark brown to bright red bars or saddles on dorsal half of body, the posterior ones extending onto lower side; the bars frequently joined to form wide a midlateral stripe; a dark brown to red band at base of tail fin; a pair of brilliant pearl white saddles on back on rear half of body; first dorsal fin red and white; pectorals yellowish; tail fin with red or brown bars.

Size: reaches 6.8 cm.

Inhabits rocky reefs.

Depth: 5-30 m.

Known only from Isla Malpelo.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 30 m.
Depth Range Min: 5 m.
Diet: mobile benthic worms; mobile benthic crustacea (shrimps/crabs); mobile benthic gastropods/bivalves.
Eastern Pacific Range: Northern limit=5; Southern limit=4; Western limit=-82; Eastern limit=-82; Latitudinal range=1; Longitudinal range=1.
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: 6.8 cm.
Regional Endemism: Island (s) only; Island (s); TEP endemic; TEP oceanic island (s) endemic; Malpelo Island endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Links to other sites

References
  • Allen , G.R. and Robertson, D.R., 1992., Three new species of triplefins (Pisces: Tripterygiidae) from Malpelo and Socorro Islands, in the tropical eastern Pacific., Revue Francaise de Aquariologie, 19:53-56.
  • Jordan , D.S. and Evermann, B.W., 1898., The fishes of North and Middle America: a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Part III., Bull. U.S. Nat. Mus., 47:2183-3136.

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 04:06:43 gmt
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