vs Lesser Noctule

Frustulia rhomboides compared with Nyctalus leisleri

Key Differences

is Not Evaluated while Lesser Noctule is Endangered.

Taxonomic Classification

Rank		Lesser Noctule
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Chordates)
Class	Bacillariophyceae (Bacillariophyceae)	Mammalia (Mammals)
Order	Naviculales (Naviculales)	Chiroptera (Bats)
Family	Amphipleuraceae	Vespertilionidae
Genus	Frustulia	Nyctalus
Species	Frustulia rhomboides	Nyctalus leisleri

Conservation Status

NE — Not Evaluated

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute		Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal, Sweden), North America (United States), and South America (Brazil).

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Frustulia rhomboides is a large, elongated freshwater diatom with a rhomboid outline and a distinctive raphe system embedded in siliceous ribs. It inhabits benthic and epiphytic habitats in acidic, humic freshwater environments including peat bogs and forest streams. This photosynthetic diatom is a bioindicator of acidic, dystrophic freshwater conditions.