Shorefishes of the Eastern Pacific online information system

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Species: Lepidonectes bimaculata, Twin-spot triplefin

All Families:   All Genera:   All Species:

upper head & body dark
D1: red & white
2 white saddles (back & tail base)
pectoral base no scales
LL 24-26 + 8-11
D3 10-11
A 18-20

Lepidonectes bimaculata Allen & Robertson, 1992

Twin-spot triplefin

Body moderately elongate; large pointed cirrus over eye; small spinules on edge of orbits, margin of preopercle, nape, and dorsal surface of snout; teeth on sides of roof of mouth; dorsal fins  III+XIII+10-11, segmented rays branched except first two and penultimate ray sometimes unbranched; anal rays II, 18-20; pelvic fins joined by membrane for at least 1/3 of length of outer ray; lateral line in 2 sections, 1st  section with 24-26 tubed scales, 2nd  with 8-11 notched scales; total scales in longitudinal series 35; scales rough except smooth on belly; upper half of preopercle covered with small scales; scales absent on pectoral-fin base.

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 a wide 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.

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  • Marine Only
  • Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef only
  • Reef (rock/coral/oyster)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • No Data
  • No Data
  • Mobile benthic gastropods/bivalves
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • No data
  • Pelagic larva
  • Benthic
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • All species
  • Malpelo Island endemic
  • Island (s) only
  • TEP oceanic island (s) endemic
  • TEP endemic
  • Island (s)
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 6.8
Depth Range Min
  • 5
Depth Range Max
  • 30