Merck & Co., Inc., Rahway, NJ, USA (known as MSD outside of the US and Canada) is dedicated to using leading-edge science to save
and improve lives around the world.  The Veterinary Manual was first published in 1955 as a service to the community.  The legacy
of this great resource continues in the online and mobile app versions today.

Copy Link

PPT CV

PPT MVM

PPT PV

citation

Reddit

Quora

Facebook

WhatsApp

Telegram

snapchat

messenger

Pinterest

Veterinary

Tables

Protistan Parasites of Fish

Additional Content

Also of Interest

Drug Name

The link you have selected will take you to a third-party website. We do not control or have responsibility for the content of any third-party site.

Leave this Site? 

Google+

Key Chapters Consumer

Key Topics it this Section

Language Fallback

Original title:

Generic Drug Names A - Z

LinkedIn

The following topic from the Merck Manual has been sent to you: 
%0D%0A
%0D%0A
{title} 
%0D%0A
%0D%0A
{link} 

Mail

Drug Information

Odnoklassniki

Find information on animal health topics, written for the veterinary professional.

<h4>Advanced Search:</h4>
<ul>
    <li><strong>Use &ldquo; &ldquo; for exact phrases.</strong>
    <ul>
        <li>For example: &ldquo;pediatric abdominal pain&rdquo;</li>
    </ul>
    </li>
    <li><strong>Use &ndash; to remove results with certain keywords.</strong>
    <ul>
        <li>For example: abdominal pain -pediatric</li>
    </ul>
    </li>
    <li><strong>Use OR to account for alternate keywords.</strong>
    <ul>
        <li>For example: teenager OR adolescent</li>
    </ul>
    </li>
</ul>

Enter search terms to find related medical topics, multimedia and more.

Search results for:

Information that is clear and easy to understand on thousands of medical disorders and symptoms

Learn about the veterinary topic of $TopicName. Find specific details on this topic and related topics from the Merck Vet Manual.

Parasite group	Parasite species	Tissue	Susceptible Species	Signs	Diagnosis	Treatment
External ciliates (motile)	Ichthyophthirius (freshwater), Cryptocaryon (saltwater)	Gills, skin, fins	All	White spots visible on skin or fins; no spots visible if on gills only; sudden high mortality event	Wet mount	Freshwater—formalin, CuSO_4,increase salinity to 5 g/L for one week at ≥24°C (75°F) if the fish species will tolerate it Saltwater—formalin, Cu²⁺, decreased salinity, chloroquine (efficacy not completely demonstrated)
	Trichodina (freshwater, saltwater), Chilodonella (freshwater), Brooklynella (saltwater)	Gills, skin, fins	All	High respiration rate, piping, excess mucus, flashing, loss of condition	Wet mount	Freshwater—formalin, CuSO₄ Saltwater—formalin, Cu²⁺
	Tetrahymena (freshwater), Uronema, Miamiensis (saltwater)	Skin, eye, muscle	All	Excess mucus, ulcerative skin disease, flashing, intra-ocular lesions, exophthalmos	Wet mount	External infestation: as above, improve sanitation Internal infestation: no treatment
External ciliates (sessile)	Ambiphyra, Apiosoma, Epistylus	Gills, skin, fins	Primarily pond fish	Excess mucus, flashing, piping, loss of condition	Wet mount	Formalin, KMnO₄, CuSO₄ Management—decrease crowding, correct sanitation
External flagellates	Ichthyobodo, Cryptobia (see also Internal flagellates)	Gills, skin, fins	All	Excess mucus, flashing, piping, loss of condition	Wet mount	Formalin, CuSO₄, KMnO₄, salt
External dinoflagellates	Piscinoodinium (freshwater), Amyloodinium (saltwater)	Gills, skin	Tiger barbs, zebrafish, many marine fish, including clownfish and red drum	Mortality, lethargy, piping; small golden spots on skin (not grossly visible if only on gills)	Wet mount	Copper sulfate, chloroquine (nonfood fish only); freshwater dips for marine food fish
Internal flagellates	Spironucleus	Lower intestine	All cichlids, bettas, gouramis, many other aquarium fish	Weight loss (anorexia), mortality of fry and juveniles	Wet mount	Metronidazole (non-food fish only)
	Cryptobia iubilans	Primarily stomach and occasionally upper intestine; can invade spleen, liver, anterior kidney, and other organs	All cichlids	Extreme weight loss, fish may be voracious, but retain a sunken belly	Wet mount, histologic evaluation	None; management—correct sanitation, feeding, stocking density, cull affected fish
	Trypanosoma	Blood	Wild-caught loricariids	Anemia, mortality	Wet mount	None
Apicomplexans	Various genera	Intestine	Multiple	Weight loss, mortality	Wet mount, histologic evaluation	Amprolium, toltrazuril, sulfamethazine (efficacy questionable)