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  • keel along side head wide, ends in sharp wing
    snout plates short, converging
    D1: large black spot
    Peristedion barbiger, Bearded armored-searobin
    barbels: filamentous v short; chin - many in short, thick beard
  • keel along side head: wide, ends in blunt flange
    snout plates thin, ~parallel, wide apart, 21-25% head
    red; D1 - black outer 1/2
    Peristedion crustosum, Encrusted armored-searobin
    barbels: filamentous 61-70% head; others few, slender
  • keel along side head: wide, ends in right-angle flange
    snout plates thin, ~parallel, wide apart, 12-18% head
    body white + red bars; D1 red
    Peristedion nesium, Insular armored-searobin
    barbels: filamentous 32-44% head; others few, slender
  • snout plates long, parallel
    bony face rim narrow, serrated, ends in spine
    no rostral or nasal spines
    intense red, iris yellow
    Peristedion paucibarbiger, Thin-bearded armored-searobin, Cortez searobin
    barbels: chin 8 pairs, top lip 3 pairs, 3rd very long