Blacktail spurdog vs Calamus

Squalus melanurus compared with Acorus calamus

Key Differences

• Blacktail spurdog is Data Deficient while Calamus is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Calamus
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Elasmobranchii	Liliopsida (Monocots)
Order	Squaliformes (Squaliformes)	Acorales (Acorales)
Family	Squalidae	Acoraceae
Genus	Squalus	Acorus
Species	Squalus melanurus	Acorus calamus

Conservation Status

Blacktail spurdog

DD — Data Deficient

Calamus

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Calamus
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Calamus

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (5 countries), Europe (30 countries), and North America (Canada, United States).

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.

Calamus

The Calamus (Acorus calamus) is a species in the genus Acorus. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.