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  • head- top profile straight
    eyes large, dark triangle below
    D1 VII
    body: 4 dark bars, 1st under D1 strongest
    C long, pointed, 2 dark stripes above, lower border dark
    Robinsichthys arrowsmithensis, Arrowsmith Goby, Robins' Goby
    pelvics separate, fin rays branched
    scales: rough, behind pectoral base, 1-2 large on C base
  • black bars: through eye 5 on body
    D1: large black blotch
    D2 & C: black edges
    D VI+ 1,9
    Robinsichthys nigrimarginatus, Black Margined Goby
    pelvics fused - round disc
    A, I,9
    C base: 2 large rough scales
    body - rough scales