Common Grey vs common sea hare

Scoparia ambigualis compared with Aplysia punctata

Taxonomic Classification

Rank	Common Grey	common sea hare
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Arthropoda (สัตว์ขาปล้อง)	Mollusca (มอลลัสกา)
Class	Insecta (แมลง)	Gastropoda (ชั้นแกสโทรโพดา)
Order	Lepidoptera (ผีเสื้อ)	Aplysiida (Aplysiida)
Family	Crambidae	Aplysiidae
Genus	Scoparia	Aplysia
Species	Scoparia ambigualis	Aplysia punctata

Evolutionary Relationship

Common Grey and common sea hare share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

Common Grey

LC — Least Concern

common sea hare

LC — Least Concern

Physical Characteristics

Attribute	Common Grey	common sea hare
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Grey

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

common sea hare

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Common Grey

<em>Scoparia ambigualis</em>, commonly known as the common grey, is a small moth belonging to the genus Scoparia within the family Crambidae. This species inhabits virtually all terrestrial and freshwater habitats and has a documented range across Belgium, Denmark, Norway, and Sweden in northwestern and Scandinavian Europe. Common grey is assessed as Least Concern on the IUCN Red List. The species is typically encountered in a variety of open and semi-open habitats including heathland, grassland, and woodland edges, where its cryptically patterned grey and white forewings provide effective camouflage at rest. Adults are typically nocturnal and are attracted to light. Biological traits of this species remain poorly documented in the scientific literature.

common sea hare

<em>Aplysia punctata</em>, the common sea hare, is a large opisthobranch sea slug in the family Aplysiidae, order Aplysiida, found in the northeastern Atlantic Ocean and Mediterranean Sea, with confirmed records from Denmark, Norway, Portugal, and Sweden. This species typically inhabits shallow subtidal and intertidal zones with abundant macroalgae, feeding primarily on red and green algae — a diet that influences the color of the defensive purple ink it secretes when threatened. <em>Aplysia punctata</em> is a simultaneous hermaphrodite, capable of acting as both male and female during mating, and often forms mating chains involving multiple individuals. It can reach considerable size among European opisthobranch species, though body dimensions vary considerably with age and feeding conditions. The species is classified as Least Concern by the IUCN, reflecting stable populations across its coastal range. Biological traits for this species remain poorly documented in the scientific literature, including precise average data on lifespan, body length, weight, and detailed seasonal dietary patterns, though its general herbivorous feeding on macroalgae is well established.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden