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  • male - red head
    body & tail base: 4 dark bars (female + orange spots)
    C: male -black + pale bar, female - clear
    Axoclinus cocoensis, Cocos triplefin
  • pectoral: 3 pink bars
    side: 3 wide H bars
    tail base: black & white, C: black, red & white
    Axoclinus lucillae, Panama triplefin
  • spines between eyes
    body: 3 double bars, vertebral column - white dashes
    tail base - black bar
    male: black C
    Axoclinus multicinctus, Multi-barred triplefin
  • no eye cirrus
    body & tail base: 5 oblique black bars
    male: mid-flank row black spots + black C
    Axoclinus nigricaudus, Cortez triplefin
  • body: 3 bars, darker at rear
    C & tail base: black
    Axoclinus rubinoffi, Rubinoff's triplefin
  • male: red below
    body: 4 dark bars + rows pale spots
    tail base: female - red, male - black
    C: female clear, male black
    Axoclinus storeyae, Carmine triplefin
  • eye: no cirrus
    snout dark
    iris red & black
    flank - row brown & white spots
    tail base white & black
    C: black & yellow
    Crocodilichthys gracilis, Lizard triplefin
  • nasal bone: row small spines
    body: ~ 5 black bars
    Enneanectes carminalis, Delicate triplefin
    under eye - dark bar
    pectoral: base - dark bar, fin - dark bars
    opercle scaled; inner pectoral base - large scale
    large scales above LL
  • nasal bone: row small spines
    body: 5 brown bars + mottling
    C brown + 2 white bars
    Enneanectes exsul, Island triplefin
    inner pectoral base - large scale
    opercle scaled; inner pectoral base - large scale
    large scales above LL
  • slender
    head - red spots
    body - orange blotches & bars
    D1: black & orange, no branched rays
    Enneanectes glendae, Slender triplefin
    operculum & belly - no scales
    male: mainly blackish
    A 19-20
  • nasal bone: smooth
    flank: brown scale borders
    tail base: top white
    Enneanectes macrops, Mexican triplefin
    upper opercle - patch scales
    pectoral: 15
    opercle scaled; inner pectoral base - no large scale
  • nasal bone: smooth
    female - 5 bars + dark scale edges
    male: red head, 5 black bars, C - black + 2 white bars
    Enneanectes reticulatus, Network triplefin, Reticulated triplefin, Flag triplefin
    pectoral: 16
    opercle scaled; inner pectoral base - no large scale
  • upper head & body dark
    D1: red & white
    2 white saddles (back & tail base)
    Lepidonectes bimaculata, Twin-spot triplefin
    pectoral base no scales
    LL 24-26 + 8-11
    D3 10-11
    A 18-20
  • body: ~ 4 double red bars
    D1: female white & red, male black + 2 yellow spots
    male - tail base black
    Lepidonectes clarkhubbsi, Signal triplefin
    pectoral base no scales
    LL 24-26 + 8-12
    D3 10-11
    A 18-20
  • body: 4 H bars, flank stripe
    D1: female red & black, male black + yellow spots
    male - red, C base black
    Lepidonectes corallicola, Galapagos triplefin, Fin-spot triplefin
    pectoral base with scales
    LL 27-29 + 8-10
    D3 12-13
    A 21-22