In order to make it easier for people to identify fish parasites, pictures and information from multiple University of Florida, IFAS Extension Pictoral Guides to common parasites are compiled here. All content on this page was created by and is copyrighted by the University of Florida, Institute of Food and Agricultural Sciences (UF/IFAS). Links to both the html versions of their articles that do not include pictures, but do include links to other relevant IFAS articles, and to the pdf versions of the files are included for each publication.

Contents:

• Ciliates (Motile): Chilodonella, Ich, Tetrahymena, Trichodina
• Ciliates (Sessile): Ambiphrya, Apiosoma, Capriniana, Epistylis
• Crustaceans: Argulus (Fish Louse), Ergasilus, Lernaea (Anchor Worm)
• Digenean Trematodes: White Grub, Yellow Grub, or Black Grub
• Dinoflagellates (Piscinoodinium/Velvet), Coccidia, Microsporidians, & Myxozoans (Henneguya)
• Flagellates: Cryptobia, Ichthyobodo (Costia), Protoopalina, Spironucleus
• Monogeneans: Gill flukes (Dactylogyrus) and Skin flukes (Gyrodactylus)
• Nematodes: Camallanus, Capillaria, Contracaecum, Eustrongylides
• Worms and Leeches: Acanthocephalans, Cestodes, Leeches, & Pentastomes
• Other relevant University of Florida, Institute of Food and Agricultural Sciences Articles

Ciliates (Motile): Chilodonella, Ich, Tetrahymena, Trichodina
From: Common Freshwater Fish Parasites Pictorial Guide: Motile Ciliates (FA108), by Deborah B. Pouder, Eric W. Curtis, and Roy P.E. Yanong, published July 2005. (pdf, html).

Chilodonella

Ichthyophthirius multifiliis

Tetrahymena

Trichodina

Back to Contents

Ciliates (Sessile): Ambiphrya, Apiosoma, Capriniana, Epistylis
From: Common Freshwater Fish Parasites Pictorial Guide: Sessile Ciliates (FA107), by Deborah B. Pouder, Eric W. Curtis, and Roy P.E. Yanong, published July 2005. (pdf, html).

Ambiphrya (Formerly Scyphidia)

Apiosoma (Formerly Glossatella)

Capriniana (Formerly Trichophrya)

Epistylis

Back to Contents

Crustaceans: Argulus (“Fish Louse”), Ergasilus, Lernaea (“Anchor Worm”)
From: Common Freshwater Fish Parasites Pictorial Guide: Crustaceans (FA115), by Deborah B. Pouder, Eric W. Curtis, and Roy P.E. Yanong, published July 2005. (pdf, html).

Argulus (“Fish Louse”)

Ergasilus

Lernaea (“Anchor Worm”)

Back to Contents

Digenean Trematodes: (White Grub, Yellow Grub, or Black Grub)
From: Common Freshwater Fish Parasites Pictorial Guide: Digenean Trematodes (FA112), by Deborah B. Pouder, Eric W. Curtis, and Roy P.E. Yanong, published July 2005. (pdf, html).

Digenean Trematodes (White Grub, Yellow Grub, or Black Grub)

Back to Contents

Dinoflagellates (Piscinoodinium/Velvet), Coccidia, Microsporidians, & Myxozoans (Henneguya)
From: Common Freshwater Fish Parasites Pictorial Guide: Dinoflagellates, Coccidia, Microsporidians, & Myxozoans (FA110), by Deborah B. Pouder, Eric W. Curtis, and Roy P.E. Yanong, published July 2005. (pdf, html).

Dinoflagellates (Piscinoodinium/Velvet)

Coccidia

Microsporidians

Myxozoans (Henneguya)

Back to Contents

Flagellates: Cryptobia, Ichthyobodo (Costia), Protoopalina, Spironucleus
From: Common Freshwater Fish Parasites Pictorial Guide: Flagellates (FA109), by Deborah B. Pouder, Eric W. Curtis, and Roy P.E. Yanong, published July 2005. (pdf, html).

Cryptobia iubilans

Ichthyobodo (formerly Costia)

Protoopalina symphysodonis

Spironucleus vortens

Back to Contents

Monogeneans: Gill flukes (Dactylogyrus) and Skin flukes (Gyrodactylus)
From: Common Freshwater Fish Parasites Pictorial Guide: Monogeneans (FA111), by Deborah B. Pouder, Eric W. Curtis, and Roy P.E. Yanong, published July 2005. (pdf, html).

Gill flukes (Dactylogyrus)

Skin flukes (Gyrodactylus)

Back to Contents

Nematodes: Camallanus, Capillaria, Contracaecum, Eustrongylides
From: Common Freshwater Fish Parasites Pictorial Guide: Nematodes (FA113), by Deborah B. Pouder, Eric W. Curtis, and Roy P.E. Yanong, published July 2005. (pdf, html).

Camallanus

Capillaria

Contracaecum

Eustrongylides

Back to Contents

Worms and Leeches: Acanthocephalans, Cestodes, Leeches, & Pentastomes
From: Common Freshwater Fish Parasites Pictorial Guide: Acanthocephalans, Cestodes, Leeches, & Pentastomes (FA114), by Deborah B. Pouder, Eric W. Curtis, and Roy P.E. Yanong, published July 2005. (pdf, html).

Acanthocephalans (“Thorny-Headed Worms”)

Cestodes ("Tapeworms”)

Leeches

Pentastomes

Back to Contents

Other relevant University of Florida, Institute of Food and Agricultural Sciences Articles

• Cryptobia iubilans in Cichlids
• Ichthyophthirius Multifiliis (White Spot) Infections in Fish
• Introduction to Freshwater Fish Parasites
• Introduction to Fish Health Management
• Management of Hexamita in Ornamental Cichlids
• Monogenean Parasites of Fish (Flukes)
• Nematode (Roundworm) Infections in Fish
• Pentastomid Infections in Fish
• Stress - Its Role in Fish Disease
• The Use of Salt in Aquaculture
• Use of Formalin to Control Fish Parasites

Back to Contents

Copyright © 2006 theGab. All rights reserved.