Dusky Dolphin vs

Lagenorhynchus obscurus compared with Nitzschia intermedia

Key Differences

• Dusky Dolphin is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Dusky Dolphin
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Bacillariophyceae (Bacillariophyceae)
Order	Cetacea (Whales & Dolphins)	Bacillariales (Bacillariales)
Family	Delphinidae (Oceanic Dolphins)	Bacillariaceae
Genus	Lagenorhynchus	Nitzschia
Species	Lagenorhynchus obscurus	Nitzschia intermedia

Conservation Status

Dusky Dolphin

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Dusky Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, Sweden, and Taiwan.

Nitzschia intermedia is a pennate diatom in the family Bacillariaceae found in freshwater to slightly brackish habitats, where it inhabits both benthic and planktonic niches. Its elongate frustule with a keeled raphe and fine transapical striae is typical of the large genus Nitzschia. It serves as a bioindicator of moderate organic enrichment and nutrient levels in aquatic monitoring programs.