Hohojirozame vs Leatherback Sea Turtle

Carcharodon carcharias compared with Dermochelys coriacea

Key Differences

Hohojirozame is 2.2x heavier than Leatherback Sea Turtle.
Hohojirozame lives longer (70 years vs 50 years).

Taxonomic Classification

Rank	Hohojirozame	Leatherback Sea Turtle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Chondrichthyes (軟骨魚綱)	Reptilia (爬虫類)
Order	Lamniformes (ネズミザメ目)	Testudines (カメ)
Family	Lamnidae (Mackerel Sharks)	Cheloniidae (Sea Turtles)
Genus	Carcharodon (Great White Sharks)	Chelonia (Green Sea Turtles)
Species	Carcharodon carcharias	Dermochelys coriacea

Evolutionary Relationship

Hohojirozame and Leatherback Sea Turtle share a common ancestor at the Phylum level: Chordata. (脊索動物)

表示 Phylum: Chordata

Conservation Status

Hohojirozame

VU — Vulnerable

Population: ~3.5K

Trend: Decreasing ↓

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Hohojirozame	Leatherback Sea Turtle
Diet	Carnivore	Carnivore
Average Lifespan	70 years	50 years
Average Length	5.0 m	2.0 m
Average Weight	1.1 t	500.0 kg

Habitat & Geographic Range

Hohojirozame

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.

Leatherback Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Hohojirozame

地球上で最大の捕食性魚類であるホホジロザメは、全世界の主要な大洋の冷涼な沿岸・外洋域に生息し、体長6メートル、体重2,000キログラムに達することがあります。海洋哺乳類、大型魚類、海鳥を主な獲物として下方からの待ち伏せ攻撃を行う最上位捕食者です。その恐ろしい評判にもかかわらず、人間への非挑発的な攻撃は極めてまれです。フカヒレ採取、混獲、目的的漁獲によって個体数が減少しており、多くの地域で法的保護を受けているにもかかわらず危急（VU）に分類されています。