vs

Pseudochattonella farcimen compared with Pseudochattonella verruculosa

Taxonomic Classification

Rank
Kingdom same	Chromista (Chromista)	Chromista (Chromista)
Phylum same	Ochrophyta (Ochrophyta)	Ochrophyta (Ochrophyta)
Class same	Dictyochophyceae (Dictyochophyceae)	Dictyochophyceae (Dictyochophyceae)
Order same	Florenciellales (Florenciellales)	Florenciellales (Florenciellales)
Family same	Florenciellaceae	Florenciellaceae
Genus same	Pseudochattonella	Pseudochattonella
Species	Pseudochattonella farcimen	Pseudochattonella verruculosa

Evolutionary Relationship

and share a common ancestor at the Genus level: Pseudochattonella.

Conservation Status

NE — Not Evaluated

NE — Not Evaluated

Physical Characteristics

Attribute
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Poland, and Sweden.

Habitat

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

Range

Found across Europe (8 countries) and North America (Mexico).

Pseudochattonella farcimen is a raphidophyte flagellate known to produce fish-killing toxins in coastal marine environments. It inhabits cold temperate coastal waters of the North Atlantic and North Pacific, particularly in Scandinavian fjords. This toxic flagellate can form harmful blooms that cause mass fish mortality in aquaculture and natural marine settings.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden