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  • head long, eye small
    front nostril high
    C not joined to A & D
    Alionematichthys minyomma, Smalleye Brotula
    top jaw - rear end expanded
    head scales: cheek only
    opercular spine exposed
  • eye v small
    head scaleless, + large pores
    gold + black fins
    D & A separate from C
    5-7 long gill-rakers
    opercular spine visible
    body scales barely overlapping
  • D 75-84
    A 54-64
    Ogilbia boehlkei, Boehlke’s Brotula
    cheek: 5-7 scale rows
    opercle spine: 2 points
    pelvic short
    male pseudoclaspers: inner club + appendix, outer- large wing
  • D 66-76
    A 50-57
    Ogilbia cayorum, Key Brotula
    cheek: 4-6 scale rows
    opercle spine: 1 sharp point
    pelvic short
    male pseudoclaspers: triangular, outer twice as large
  • D 71-82
    A 52-61
    Ogilbia jeffwilliamsi, Williams’ Brotula
    cheek: 6-9 scale rows
    opercle spine: 1 sharp point
    pelvic short
    male pseudoclaspers: inner club + appendix, outer - large wing
  • D 80-96
    A 63-69
    Ogilbia mccoskeri, McCosker's Brotula
    cheek: 4-6 scale rows
    opercle spine: 1 sharp point
    pelvic short
    male pseudoclaspers: 1, stick-like
  • D 66-72
    A 46-54
    Ogilbia sabaji, Curator Brotula, Sabaj's Brotula
    cheek scales: 5-9 rows
    opercle spine: 1 sharp point
    pelvic short
    male pseudoclaspers: inner club (no appendix), outer wing
  • dark blue
    D 94
    A 70
    Ogilbia species A, Blue Brotula
    cheek scales: narrow patch
    opercle spine: 2 points
    pelvic short
  • D 81-83
    A 70
    Ogilbia species B, Species B Brotula
    cheek scales: narrow, triangular patch
    opercle spine: 2 points
    pelvic short
    male pseudoclaspers: same size, inner triangular, outer rounded tip
  • D 66-82
    A 48-53
    Ogilbia suarezae, Shy Brotula, Suarez's Brotula
    cheek scales: 5-7 rows
    opercle spine: 1 point
    pelvic long, reaches A
    male pseudoclaspers: same size, inner broad tip, outer triangle
  • mucous with green pigment globules
    D 73-81
    A 52-59
    Ogilbia tyleri, Tyler's Brotula
    cheek scales: 7-8 rows
    opercle spine: 1 point
    pelvic short
    male pseudoclaspers: inner club+appendix, outer large wing
  • D 58-65
    Ogilbichthys ferocis, Fearsome Brotula
    side lower jaw: 2-4 large fangs
    cheek scales: upper 4-6 large scales
    LL 3 rows pores
  • D 61
    Ogilbichthys haitiensis, Haitian Brotula
    side lower jaw: 3 large fangs
    cheek: no scales
    LL indistinct
  • D 70-79
    Ogilbichthys kakuki, Kakuki’s Brotula
    side lower jaw: no fangs
    pectoral short
    cheek scales: 3-4 rows upper, 1-2 rows lower
    LL 2 rows pores
  • D 70-79
    Ogilbichthys longimanus, Longarmed Brotula
    side lower jaw: no fangs
    pectoral long
    cheek scales: 4 rows upper, 2 rows lower
    LL 2 rows pores
  • eyes tiny
    D 66-72
    Ogilbichthys microphthalmus, Smalleyed Brotula
    rear lower jaw: 1 large fang
    pectoral long
    cheek scales: 1-2 rows lower
    LL indistinct
  • D 71
    Ogilbichthys puertoricoensis, Puertorican Brotula
    lower jaw: rear fangs
    pectoral long
    cheek scales: 3 rows upper, 2 rows lower
    LL indistinct
  • D 67-72
    Ogilbichthys tobagoensis, Tobago Brotula
    lower jaw: no fangs
    cheek: no scales
    LL indistinct
  • eyes large
    cheek scaled
    Pseudogilbia sanblasensis, San Blas Brotula
    lower rear corner top jaw - knob
    preoperculum - 1 lower pore
    opercular spine visible
    male sex organ - 2 pairs large, equal-sized claspers