Green Silver-Spangled Shark vs Lettuce Shark

Cucullia argentea compared with Cucullia lactucae

Key Differences

• Green Silver-Spangled Shark is Critically Endangered while Lettuce Shark is Least Concern.

Taxonomic Classification

Rank	Green Silver-Spangled Shark	Lettuce Shark
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Arthropoda (สัตว์ขาปล้อง)	Arthropoda (สัตว์ขาปล้อง)
Class same	Insecta (แมลง)	Insecta (แมลง)
Order same	Lepidoptera (ผีเสื้อ)	Lepidoptera (ผีเสื้อ)
Family same	Noctuidae	Noctuidae
Genus same	Cucullia	Cucullia
Species	Cucullia argentea	Cucullia lactucae

Evolutionary Relationship

Green Silver-Spangled Shark and Lettuce Shark share a common ancestor at the Genus level: Cucullia.

Conservation Status

Green Silver-Spangled Shark

CR — Critically Endangered

Lettuce Shark

LC — Least Concern

Physical Characteristics

Attribute	Green Silver-Spangled Shark	Lettuce Shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Green Silver-Spangled Shark

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

Lettuce Shark

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden