arrow worm vs Wolf

Parasagitta elegans compared with Canis lupus

Key Differences

• arrow worm is Not Evaluated while Wolf is Critically Endangered.

Taxonomic Classification

Rank	arrow worm	Wolf
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chaetognatha (Pfeilwürmer)	Chordata (Chordatiere)
Class	Sagittoidea (Sagittoidea)	Mammalia (Säugetiere)
Order	Aphragmophora (Aphragmophora)	Carnivora (Raubtiere)
Family	Sagittidae	Canidae (Dogs & Wolves)
Genus	Parasagitta	Canis (Dogs & Wolves)
Species	Parasagitta elegans	Canis lupus

Evolutionary Relationship

arrow worm and Wolf share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

arrow worm

NE — Not Evaluated

Wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	arrow worm	Wolf
Diet	—	Carnivore
Average Lifespan	—	13 years
Average Length	—	1.6 m
Average Weight	—	45.0 kg

Habitat & Geographic Range

arrow worm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

Wolf

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 13 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Seychelles), Asia (Japan), Europe (5 countries), North America (7 countries), Oceania and the Pacific (Marshall Islands, Vanuatu), and South America (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

arrow worm

The Arrow worm, Parasagitta elegans, is a species. Native to Europe, inhabiting ecosystems characteristic of the region.

Wolf

The most widely distributed wild canid, gray wolves range from North America across Eurasia in diverse habitats including tundra, forests, and grasslands. Highly social animals living in family packs led by a dominant breeding pair. As keystone predators, wolves regulate prey populations and profoundly shape ecosystem structure, as demonstrated by their reintroduction in Yellowstone. Once heavily persecuted, populations are recovering in many regions.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway