Coelacanth vs 瓶鼻海豚

Latimeria chalumnae compared with Tursiops truncatus

Key Differences

• Coelacanth is Critically Endangered while 瓶鼻海豚 is Least Concern.
• 瓶鼻海豚 is 3.8x heavier than Coelacanth.
• Coelacanth lives longer (100 years vs 45 years).

Taxonomic Classification

Rank	Coelacanth	瓶鼻海豚
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Coelacanthi (Coelacanthi)	Mammalia (哺乳動物)
Order	Coelacanthiformes (腔棘鱼目)	Cetacea (Whales & Dolphins)
Family	Latimeriidae	Delphinidae (Oceanic Dolphins)
Genus	Latimeria	Tursiops (Bottlenose Dolphins)
Species	Latimeria chalumnae	Tursiops truncatus

Evolutionary Relationship

Coelacanth and 瓶鼻海豚 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Coelacanth

CR — Critically Endangered

Population: ~500

Trend: Decreasing ↓

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Coelacanth	瓶鼻海豚
Diet	Carnivore	Carnivore
Average Lifespan	100 years	45 years
Average Length	1.8 m	3.0 m
Average Weight	80.0 kg	300.0 kg

Habitat & Geographic Range

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.

瓶鼻海豚

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 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Coelacanth

腔棘鱼在1938年于南非附近海域重新发现之前，被认为已灭绝了6500万年，这种'活化石'可长达2米、重达90千克。它属于比辐鳍鱼类更接近四足动物的古老肉鳍鱼类谱系，对理解脊椎动物进化具有极高的科学价值。栖息于印度洋深水岩礁生境，夜行性，通过体内受精产下完全发育的幼鱼。极危（CR）物种。

瓶鼻海豚

作为研究最广泛、最受认可的海豚物种，宽吻海豚栖息于全球从沿岸浅水到远洋的温暖和温带海域。高度智能，大脑相对体型较大，展示自我认知、复杂交流和社会学习。生活在流动的分裂-融合社会中，合作围捕鱼群。是海洋生态系统健康的关键指示物种。