Clawed enope squid vs Common Winter Damsel

Abraliopsis felis compared with Sympecma fusca

Taxonomic Classification

Rank	Clawed enope squid	Common Winter Damsel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Cephalopoda (Cephalopods)	Insecta (Insects)
Order	Oegopsida (Oegopsida)	Odonata (Odonata)
Family	Enoploteuthidae	Lestidae
Genus	Abraliopsis	Sympecma
Species	Abraliopsis felis	Sympecma fusca

Evolutionary Relationship

Clawed enope squid and Common Winter Damsel share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Clawed enope squid

LC — Least Concern

Common Winter Damsel

LC — Least Concern

Physical Characteristics

Attribute	Clawed enope squid	Common Winter Damsel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Clawed enope squid

Common Winter Damsel

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, and Sweden.

Clawed enope squid

The Clawed Enope Squid, Ancistrocheirus lesueurii, is a medium-sized oceanic squid in the family Ancistrocheiridae found in mesopelagic and bathypelagic zones of the Atlantic, Pacific, and Indian Oceans. It is the sole species in its family, representing a phylogenetically isolated lineage of deep-sea squids. The species is characterized by powerful, hook-bearing tentacles used to capture prey, an adaptation reflected in its common name. The mantle is muscular and elongated, bearing lateral fins, and the arms bear suckers modified into sharp hooks in adults. Ancistrocheirus lesueurii performs diel vertical migrations, ascending toward the surface at night and retreating to deeper waters during daylight hours. It is a voracious predator of fish and other squids, and is in turn preyed upon by sperm whales, large pelagic fishes, and sharks. Bioluminescent photophores are present on the body and arms, likely functioning in counterillumination or signaling. As a mesopelagic species distributed throughout major ocean basins, the Clawed Enope Squid contributes significantly to vertical carbon transport in marine ecosystems, processing organic material from surface waters and redistributing it at depth. Population status is unknown; the species has not been assessed by IUCN. It is occasionally recovered in the stomach contents of top predators and from deep-sea trawl surveys.

Common Winter Damsel

<em>Sympecma fusca</em>, commonly known as the common winter damsel or common spreadwing, is a damselfly in the family Lestidae, classified as Least Concern by the IUCN. It is distributed across temperate Europe, with confirmed records from Belgium, Denmark, Luxembourg, and Sweden, and is one of the very few odonates in Europe that overwinters as an adult. This remarkable strategy distinguishes <em>Sympecma fusca</em> from most other damselflies, which overwinter in aquatic larval stages. Adults emerge in late summer, enter a reproductive diapause, and survive through autumn and winter by seeking sheltered terrestrial refugia such as dense vegetation, bark, or leaf litter. Mating and oviposition occur the following spring, typically from March onward. The species inhabits a range of standing and slow-moving freshwater habitats including ponds, marshes, ditches, and the margins of reed-fringed lakes, where larvae develop in aquatic vegetation. Like all lestid damselflies, adults hold their wings partly open at rest rather than folded over the abdomen as in most other damselflies. Biological traits including average adult lifespan, body length, and mass remain poorly documented in standardized databases, though the adult lifespan spanning overwintering can extend to several months. Ecologically, the common winter damsel contributes to freshwater invertebrate food webs as both a predatory adult and as aquatic larval prey for fish and other predators across its European range.