Shorefishes of the Greater Caribbean online information system

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  • flat between eyes
    eye very large, high
    nape: deep groove
    D1 near level pelvic
    Alopias superciliosus, Bigeye thresher shark, Bigeye thresher
  • arched between eyes
    eye small
    nape: no groove
    D1 near pectoral
    Alopias vulpinus, Thin tail thresher shark, Thintail thresher