鯨鯊 vs 瓶鼻海豚

Rhincodon typus compared with Tursiops truncatus

Key Differences

鯨鯊 is Endangered while 瓶鼻海豚 is Least Concern.
鯨鯊 is omnivore while 瓶鼻海豚 is carnivore.
鯨鯊 is 66.7x heavier than 瓶鼻海豚.
鯨鯊 lives longer (100 years vs 45 years).

Taxonomic Classification

Rank	鯨鯊	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	Chondrichthyes (软骨鱼纲)	Mammalia (哺乳動物)
Order	Lamniformes (鼠鲨目)	Cetacea (Whales & Dolphins)
Family	Rhincodontidae (Whale Sharks)	Delphinidae (Oceanic Dolphins)
Genus	Rhincodon (Whale Sharks)	Tursiops (Bottlenose Dolphins)
Species	Rhincodon typus	Tursiops truncatus

Evolutionary Relationship

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

查看 Phylum: Chordata

Conservation Status

鯨鯊

EN — Endangered

Trend: Decreasing ↓

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	鯨鯊	瓶鼻海豚
Diet	Omnivore	Carnivore
Average Lifespan	100 years	45 years
Average Length	12.0 m	3.0 m
Average Weight	20.0 t	300.0 kg

Habitat & Geographic Range

鯨鯊

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Chile, Portugal, Taiwan, and Venezuela. Currently classified as 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).

鯨鯊

鲸鲨（Rhincodon typus）是世界上最大的鱼类，体长可超过12米、体重逾20吨，广泛分布于全球热带及温暖温带海洋。尽管体型巨大，它们却是无害的滤食性动物，以浮游生物、鱼卵和小鱼为食，通过张口游动来过滤水中的猎物。它们随浮游生物爆发进行大规模的季节性洄游。受捕捞、船只碰撞及活体鱼翅贸易影响，过去75年间种群数量减少约50%，被列为濒危物种。