Barred Tiger Salamander vs Common Tarcrust

Ambystoma mavortium compared with Diatrype stigma

Key Differences

• Barred Tiger Salamander is Least Concern while Common Tarcrust is Not Evaluated.

Taxonomic Classification

Rank	Barred Tiger Salamander	Common Tarcrust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Amphibia (Amphibians)	Sordariomycetes (Sordariomycetes)
Order	Caudata (Caudata)	Xylariales (Xylariales)
Family	Ambystomatidae	Diatrypaceae
Genus	Ambystoma	Diatrype
Species	Ambystoma mavortium	Diatrype stigma

Conservation Status

Barred Tiger Salamander

LC — Least Concern

Common Tarcrust

NE — Not Evaluated

Physical Characteristics

Attribute	Barred Tiger Salamander	Common Tarcrust
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Barred Tiger Salamander

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico.

Common Tarcrust

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden.

Barred Tiger Salamander

The Barred Tiger Salamander (Ambystoma mavortium) is a species in the genus Ambystoma. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

Common Tarcrust

<em>Diatrype stigma</em>, the common tarcrust, is a saprotrophic fungus in the family Diatrypaceae, found across Belgium, Denmark, Norway, Portugal, and Sweden, as well as more broadly in Europe and temperate regions globally. It grows as a crust-like, charcoal-black stromata on the dead bark and branches of deciduous hardwoods, particularly hazel, beech, and alder. The fruiting bodies are typically flat to slightly raised, dark gray to black patches that contain numerous embedded perithecia in which ascospores are produced. This fungus plays an important ecological role as a decomposer, breaking down dead woody material and recycling nutrients in forest ecosystems. It is Not Evaluated on the IUCN Red List; given its broad distribution on common substrates, it is generally considered widespread. The species reproduces via wind-dispersed ascospores released from the perithecia. Diet, as a saprotrophic organism, consists of dead organic woody matter. Biological traits such as colony growth rates, spore output, and longevity remain poorly documented in standardized quantitative assessments.