Common Fieldcap vs Halavi guitarfish

Agrocybe pediades compared with Glaucostegus halavi

Key Differences

• Common Fieldcap is Least Concern while Halavi guitarfish is Critically Endangered.

Taxonomic Classification

Rank	Common Fieldcap	Halavi guitarfish
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Elasmobranchii
Order	Agaricales (Gilled Mushrooms)	Rhinopristiformes (Rhinopristiformes)
Family	Strophariaceae	Glaucostegidae
Genus	Agrocybe	Glaucostegus
Species	Agrocybe pediades	Glaucostegus halavi

Conservation Status

Common Fieldcap

LC — Least Concern

Halavi guitarfish

CR — Critically Endangered

Physical Characteristics

Attribute	Common Fieldcap	Halavi guitarfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Fieldcap

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Found across Europe (5 countries) and North America (United States).

Halavi guitarfish

Habitat

Found across multiple habitat types including deserts and xeric shrublands, flooded grasslands and savannas, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Egypt. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Fieldcap

The Common Fieldcap (<em>Agrocybe pediades</em>) is a saprotrophic fungus belonging to the genus Agrocybe within the family Strophariaceae. It typically produces small, tan to pale brown cap-shaped fruiting bodies and is often found growing in clusters or scattered on lawns, grassy areas, forest floors, decomposing wood, and soil-rich ecosystems. The species typically inhabits forest floors, decomposing wood, and soil ecosystems, obtaining nutrients by breaking down dead organic matter. Its geographic range includes several European countries — Belgium, Denmark, Norway, Portugal, and Sweden — as well as the United States in North America. <em>Agrocybe pediades</em> is assessed as Least Concern on the IUCN Red List, reflecting its broad distribution and apparent stability. Biological traits of this species, including specific data on fruiting body size, lifespan, and ecological preferences, remain poorly documented in the scientific literature. Like other members of its genus, it typically fruits during warmer months and often appears after rainfall in nutrient-rich grassland and woodland habitats.