백상아리 vs common arm squid

Carcharodon carcharias compared with Brachioteuthis riisei

Key Differences

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

Taxonomic Classification

Rank	백상아리	common arm squid
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum	Chordata (척삭동물)	Mollusca (연체동물)
Class	Chondrichthyes (연골어류)	Cephalopoda (두족류)
Order	Lamniformes (악상어목)	Oegopsida (Oegopsida)
Family	Lamnidae (Mackerel Sharks)	Brachioteuthidae
Genus	Carcharodon (Great White Sharks)	Brachioteuthis
Species	Carcharodon carcharias	Brachioteuthis riisei

Evolutionary Relationship

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

Conservation Status

백상아리

VU — Vulnerable

Population: ~3.5K

Trend: Decreasing ↓

common arm squid

DD — Data Deficient

Physical Characteristics

Attribute	백상아리	common arm squid
Diet	Carnivore	—
Average Lifespan	70 years	—
Average Length	5.0 m	—
Average Weight	1.1 t	—

Habitat & Geographic Range

백상아리

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 9 distinct biome types spanning the Indomalayan and Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Chile, Norway, Portugal, and Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

common arm squid

Habitat

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

Range

Distributed across Chile and Norway.

백상아리

지구상에서 가장 큰 포식성 어류인 백상아리는 전 세계 주요 대양의 시원한 연안 및 원해에 서식하며, 체장 6미터, 체중 2,000킬로그램까지 성장할 수 있습니다. 해양 포유류, 대형 어류, 바닷새를 주요 먹이로 하여 아래에서 기습 공격하는 최상위 포식자입니다. 무서운 명성에도 불구하고 인간에 대한 비도발적 공격은 극히 드뭅니다. 지느러미 채취, 혼획, 목적성 포획으로 개체수가 감소하고 있어 IUCN에서 취약(VU)으로 분류되며, 많은 지역에서 법적 보호를 받고 있습니다.

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.

Shared Countries

Both species can be found in 2 countries:

🇨🇱 Chile 🇳🇴 Norway