White spot bug is to send body bug absolutely, he must depend on host ability to finish his life history, and fish is his only host, 牠 can not catch the live thing beyond fish. White spot bug normally consist in advocate crock or take by new fish.

The life of white spot bug history:

Pelagian period:

Pelagian period after larva did not find host via 48 hours, can die. Right now drug can exterminate bug body.

The nutrition that send a body period:

The meeting after finding host crawls proper place gets body list, the cuticular cell that fish suffers stimulation will be proliferous encase bug body, can form macroscopical white spot right now, the likelihood has inside or bug of several white spot is inside, 3-5 day is made an appointment with during, temperature is higher a time is shorter, after white spot bug is gotten the immune system of fish also is met action, may be in if piscine resistance is strong sometimes did not finish the nutrition that send a body period white spot bug dies young to fall in cuticular layer, right now medicaments cannot be affected.

Imago period:

Finish the nutrition that send a body period epigenesis bug can fall off, right now drug can exterminate bug body.

Afterbirth bursa period:

Imago forms afterbirth bursa to undertake disrupt outside body then, can become hundreds larva by an imaginal dissension, 1-3 day is made an appointment with during, likely also longer (the larval) that at present known material has discovery to 72 talents take off bursa and go out, right now drug also cannot be affected, a lot of people are not new fish enters a crock with respect to drug, discover drug of the ability after white spot however, there should be inside water only already bursa of development imago afterbirth period, often can escape the period of treatment of white spot, and bug of the white spot after producing cure or the circumstance that cannot effect a radical cure. . . Want white spot of absolutely prevention and cure so must new fish enters a crock with respect to drug.