Black Hagfish vs Collembola

Eptatretus deani compared with Folsomides angularis

Key Differences

• Black Hagfish is Data Deficient while Collembola is Not Evaluated.

Taxonomic Classification

Rank	Black Hagfish	Collembola
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Myxini (Myxini)	Collembola (springtail)
Order	Myxiniformes (Myxiniformes)	Entomobryomorpha (Entomobryomorpha)
Family	Myxinidae	Isotomidae
Genus	Eptatretus	Folsomides
Species	Eptatretus deani	Folsomides angularis

Evolutionary Relationship

Black Hagfish and Collembola share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Hagfish

DD — Data Deficient

Collembola

NE — Not Evaluated

Physical Characteristics

Attribute	Black Hagfish	Collembola
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Hagfish

Collembola

Habitat

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

Range

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

Black Hagfish

The Black Hagfish (Eptatretus deani) is a species in the genus Eptatretus. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment.

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.