Arrowhead dogfish vs Collembola

Deania profundorum compared with Folsomides angularis

Key Differences

• Arrowhead dogfish is Near Threatened while Collembola is Not Evaluated.

Taxonomic Classification

Rank	Arrowhead dogfish	Collembola
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum	Chordata (Kordalılar)	Arthropoda (Eklem bacaklılar)
Class	Elasmobranchii	Collembola (Sıçrar kuyruklular)
Order	Squaliformes (Squaliformes)	Entomobryomorpha (Entomobryomorpha)
Family	Centrophoridae	Isotomidae
Genus	Deania	Folsomides
Species	Deania profundorum	Folsomides angularis

Evolutionary Relationship

Arrowhead dogfish and Collembola share a common ancestor at the Kingdom level: Animalia. (hayvan)

Conservation Status

Arrowhead dogfish

NT — Near Threatened

Collembola

NE — Not Evaluated

Physical Characteristics

Attribute	Arrowhead dogfish	Collembola
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrowhead dogfish

Habitat

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

Range

Distributed across Portugal and Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Collembola

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States.

Arrowhead dogfish

The Arrowhead dogfish, Deania profundorum, is a species. It is currently assessed as near threatened on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Collembola

<em>Folsomides angularis</em>, commonly referred to as Collembola in reference to its broader taxonomic order, is a springtail species belonging to the genus <em>Folsomides</em>. Springtails are among the most abundant hexapods in terrestrial ecosystems, playing important roles in soil decomposition and nutrient cycling. This species has been documented in Europe, with records from Denmark, Norway, and Sweden, as well as North America, where it is known from the United States. It typically inhabits soil, leaf litter, and decaying organic matter, and is capable of tolerating a range of environmental conditions. Springtails of this group are detritivores, feeding on decomposing plant material, fungal hyphae, and microorganisms, though specific dietary data for <em>Folsomides angularis</em> are not detailed in current records. The species has not been formally assessed for conservation status. Biological traits of this species remain poorly documented in the scientific literature. Its small body size and cryptic lifestyle make detailed ecological study challenging.