sturgeon
["plane, carpenter's plane, woodworking plane", 'killer whale, killer, orca, grampus, sea wolf, Orcinus orca', 'chiton, coat-of-mail shell, sea cradle, polyplacophore', 'spotted salamander, Ambystoma maculatum', 'syringe', 'sidewinder, horned rattlesnake, Crotalus cerastes', 'stethoscope']