Camallanus lacustris

{{Short description|Species of roundworm}}

{{Speciesbox

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| taxon = Camallanus lacustris

| authority = (Zoega, 1776)

| subdivision_ranks = Subspecies

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| synonyms =

• Cucullanus elegans Zschokke, 1884
• Cucullanus elegans Sramek, 1901
• Cucullanus elegans Levander, 1926
• Cucullanus elegans Ruszkowski, 1926
• Camallanus elegans MacCallum, 1918Notes on the genus Telorchis and other trematodes. GA MacCallum, 1918

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Camallanus lacustris is a species of freshwater parasitic roundworm in the family Camallanidae. Definitive hosts are fish and intermediate hosts are copepods.