CreatureData

Dog roundworm

Toxocara canis (Werner, 1782) Stiles in Stiles & Hassall, 1905

Status not recordedworms

The dog roundworm (Toxocara canis) is a species in the order Rhabditida.

No freely licensed photo yet

Quick facts about the dog roundworm

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

Where does the dog roundworm live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the dog roundworm as introduced in 2 countries.

  1. Canary Islands
  2. Ecuador

Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).

Is the dog roundworm endangered?

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.

How is the dog roundworm classified?

  1. kingdomAnimalia
  2. phylumNematoda
  3. classChromadorea
  4. orderRhabditida
  5. genusToxocara
  6. SpeciesToxocara canis (Werner, 1782) Stiles in Stiles & Hassall, 1905

Synonyms Ascaris marginata, Ascaris triquetra, Ascaris vulpis, Lumbricus canis

Other names and names in other languages (10)
  • Canine roundwormEnglish
  • Dog liver Roud-wormEnglish
  • škrkavka psíCzech
  • Hundens spolormDanish
  • toxocárido caninoSpanish
  • Ascaris du chienFrench
  • 犬回虫Japanese
  • 개회충Korean
  • Glista psiaPolish
  • พยาธิตัวกลมในหมาThai

Catalogue of Life

Relatives of the dog roundworm

Other species in the same genus Toxocara.

CompareDog roundworm vs Feline roundwormDog roundworm vs Toxocara alienataDog roundworm vs Toxocara genettaeDog roundworm vs Toxocara mystax

Common questions

Answered only where our data holds the answer.

Is the dog roundworm an invasive species?

The Global Register of Introduced and Invasive Species lists the dog roundworm as introduced in 2 countries: Canary Islands and Ecuador, but does not flag it as invasive in any of them.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Dog roundworm (Toxocara canis). Retrieved from https://creaturedata.com/animals/dog-roundworm

MLA

“Dog roundworm (Toxocara canis).” CreatureData, 2026, https://creaturedata.com/animals/dog-roundworm.

BibTeX
@misc{dog_roundworm_2026,
  title = {Dog roundworm (Toxocara canis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/dog-roundworm},
  note = {Data as of 2026-11-14}
}