Herazame vs Coelacanth

Apristurus platyrhynchus compared with Latimeria chalumnae

Key Differences

  • Herazame is Least Concern while Coelacanth is Critically Endangered.

Taxonomic Classification

Rank Herazame Coelacanth
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) Coelacanthi (Coelacanthi)
Order Carcharhiniformes (メジロザメ目) Coelacanthiformes (シーラカンス)
Family Scyliorhinidae Latimeriidae
Genus Apristurus Latimeria
Species Apristurus platyrhynchus Latimeria chalumnae

Evolutionary Relationship

Herazame and Coelacanth share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Herazame

LC — Least Concern

Coelacanth

CR — Critically Endangered

Population: ~500

Trend: Decreasing ↓

Physical Characteristics

Attribute Herazame Coelacanth
Diet Carnivore
Average Lifespan 100 years
Average Length 1.8 m
Average Weight 80.0 kg

Habitat & Geographic Range

Herazame

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Taiwan.

Coelacanth

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 8 distinct biome types spanning the Australasia and Afrotropic and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Comoros, Indonesia, Mozambique, and South Africa. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Herazame

The Borneo Cat Shark (Apristurus platyrhynchus) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Coelacanth

1938年に南アフリカ沖で再発見されるまで6,500万年間絶滅していたと考えられていた生きた化石であるシーラカンスは、2メートル、90kgに達することができます。この種は条鰭類よりも四足動物に近い古代の肉鰭類の系統に属しており、脊椎動物の進化を理解する上で科学的に非常に重要です。インド洋の深い岩礁生息地に生息し、夜行性で体内受精により完全に形成された幼魚を産みます。絶滅危惧IA類(CR)種です。

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