Beira vs common arm squid

Dorcatragus megalotis compared with Brachioteuthis riisei

Key Differences

• Beira is Vulnerable while common arm squid is Data Deficient.

Taxonomic Classification

Rank	Beira	common arm squid
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Cephalopoda (Cephalopods)
Order	Artiodactyla (Even-toed Ungulates)	Oegopsida (Oegopsida)
Family	Bovidae (Bovids)	Brachioteuthidae
Genus	Dorcatragus	Brachioteuthis
Species	Dorcatragus megalotis	Brachioteuthis riisei

Evolutionary Relationship

Beira and common arm squid share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Beira

VU — Vulnerable

common arm squid

DD — Data Deficient

Physical Characteristics

Attribute	Beira	common arm squid
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beira

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

common arm squid

Habitat

Native to Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Chile and Norway.

Beira

The Beira (Dorcatragus megalotis) is a species in the genus Dorcatragus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. The species is documented in scientific literature under the name Dorcatragus megalotis.

common arm squid

<em>Brachioteuthis riisei</em>, commonly known as the Common Arm Squid, is a cephalopod mollusk in the family Brachioteuthidae. This species is classified as Data Deficient on the IUCN Red List, reflecting significant gaps in knowledge about its population size, ecology, and distribution. Records of this species have been reported from waters off Chile and Norway, suggesting a broad oceanic distribution. Common Arm Squids are typically mesopelagic or bathypelagic organisms, inhabiting the open ocean at considerable depths during the day and often migrating toward shallower waters at night to feed. Like other oceanic squids, they are likely important components of marine food webs, serving as both predators of small fish and invertebrates and as prey for larger marine predators such as cetaceans and seabirds. The Data Deficient listing underscores the need for additional research into the biology, population dynamics, and conservation requirements of this understudied species. Biological traits of this species remain poorly documented in the scientific literature.