Life … Animals Chordates Ray-finned Fishes Pipefishes and Allies Pipefishes and Seahorses Pipefishes Halicampus genus Halicampus Halicampus Field notes Children Harlequin Pipefish Edmondson's Pipefish native Most observed native Halicampus All Native to the US, by observations. Edmondson's Pipefish Halicampus edmondsoni 38 observations Close