Koi louse

Weight

Not recorded

Length

Not recorded

Lifespan

Not recorded

Main food

Not recorded

Habitat

Not recorded

Young per litter or clutch

Not recorded

Conservation status

Not recorded

Countries on record

Not recorded

Not recorded

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

1. kingdomAnimalia
2. phylumArthropoda
3. classBranchiura
4. familyArgulidae
5. genusArgulus
6. SpeciesArgulus japonicus Thiele, 1900

Synonyms Argulus matritensis, Argulus pelucidus

Catalogue of Life

CompareKoi louse vs Carp louseKoi louse vs Bushylegged fishlouseKoi louse vs Herring fishlouseKoi louse vs Smalleyed fishlouse

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• Environment Agency freshwater fish surveys (National Fish Populations Database) · OGL v3.0 · 2026-11-14
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@misc{koi_louse_2026,
  title = {Koi louse (Argulus japonicus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/koi-louse},
  note = {Data as of 2026-11-14}
}