瓶鼻海豚 vs common European cockle

Tursiops truncatus compared with Cerastoderma edule

Taxonomic Classification

Rank	瓶鼻海豚	common European cockle
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Mollusca (软体动物门)
Class	Mammalia (哺乳動物)	Bivalvia (双壳纲)
Order	Cetacea (Whales & Dolphins)	Cardiida (鸟蛤目)
Family	Delphinidae (Oceanic Dolphins)	Cardiidae
Genus	Tursiops (Bottlenose Dolphins)	Cerastoderma
Species	Tursiops truncatus	Cerastoderma edule

Evolutionary Relationship

瓶鼻海豚 and common European cockle share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

common European cockle

LC — Least Concern

Physical Characteristics

Attribute	瓶鼻海豚	common European cockle
Diet	Carnivore	—
Average Lifespan	45 years	—
Average Length	3.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic 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).

common European cockle

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Iceland, Norway, and Sweden.

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。

common European cockle

<em>Cerastoderma edule</em>, the common European cockle, is an intertidal bivalve mollusc in the family Cardiidae, classified as Least Concern by the IUCN Red List. The species is native to European coastal waters and has been documented in Belgium, Denmark, Iceland, Norway, and Sweden, where it typically inhabits sandy and muddy intertidal and shallow subtidal sediments in estuaries, bays, and open coastlines. <em>Cerastoderma edule</em> is a filter feeder, drawing in seawater through its siphons to extract phytoplankton, bacteria, and organic particles. It is recognized by its distinctive ribbed, cream-colored shell with radiating ridges and concentric growth lines. Cockles are a keystone species in many European coastal ecosystems, providing an important food source for shorebirds such as oystercatchers and knots, predatory fish, crabs, and starfish. The species also supports one of the most commercially significant shellfish fisheries in Europe, with large-scale harvesting operations in the UK, the Netherlands, and Ireland. Dense cockle beds stabilize intertidal sediments and contribute to benthic productivity. Population dynamics are closely linked to sea surface temperature, salinity, and sediment availability, making this species a useful indicator of estuarine ecosystem health. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden