If the surface of the eye is opaque, scrape with a clean scapel blade and place tissues into a drop of saline on a clean glass slide. Cover with a slip cover. Examine under 40 to 400X magnification.
Compare your sample with the following Disease Vectors:
Caligus sp. a parasitic copepod 2 to 3 mm in length
(visable to the naked eye)
Monogenetic Trematodes parasitic
flatworms. May be small (0.3 to 0.4 mm) or large (2to 3 mm) . Hooks on one
end may be attached to the host fish. If still alive, will flex rapidly or
contract slowly.
Comments: