Arrow Crab

Stenorhynchus lanceolatus

The arrow crab, also known as Spider Crab, is a species in the order of the Decapoda and thus belongs to the subphylum of the Crustacea.
Arrow Crab - Stenorhynchus lanceolatus Diving in Sal, Cabo Verde. Arrow Crab,Cape Verde,Fall,Geotagged,Stenorhynchus lanceolatus

Appearance

Stenorhynchus lanceolatus has a small body with horn. It has two scissors arms and eight long thin legs. Their colour is brown, white and black striped with yellow dots.
The body is up to 4cm long and the legs can become up to 20cm in length.
Arrow Crab – Stenorhynchus lanceolatus Big male (you will know which one by the claws) protecting his female harem. Arrow Crab,Geotagged,Spain,Spring,Stenorhynchus lanceolatus

Distribution

Canary Islands and Madeira Islands.
Arrow Crab – Stenorhynchus lanceolatus Often sighted during our dives, in special at night. Arrow Crab,Geotagged,Spain,Spring,Stenorhynchus lanceolatus

Behavior

They are usually hidden in columns during the day. Its usually seen close to sea urchins to find shelter.
Arrow Crab – Stenorhynchus lanceolatus Arrow Crab,Geotagged,Spain,Spring,Stenorhynchus lanceolatus

Habitat

The Arrow Crab lives on rocky ground in depths down to 100m.

Food

They feed on algae, carrion and organic waste.

References:

Some text fragments are auto parsed from Wikipedia.

https://www.diving-canary-islands.com/en/arrow-crab-stenorhynchus-lanceolatus/
https://en.wikipedia.org/wiki/Stenorhynchus
Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassMalacostraca
OrderDecapoda
FamilyInachidae
GenusStenorhynchus
SpeciesStenorhynchus lanceolatus
Photographed in
Cabo Verde
Spain