Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
One of a family (Lernæidæ) of parasitic Crustacea foundattached to fishes and other marine animals. Some species penetratethe skin and flesh with the elongated head, and feed on the viscera.See Illust. in Appendix.