Facts about Sea spiders
Latin name: Pycnogonida (Class)
Size of species from the north-east Atlantic: Total body length, proboscis included: 2 mm-50 mm. Leg span up to about 25 cm.
Life span: Not known
Habitat: Found in all oceans
Food: Mostly carnivorous, feeding on cnidarians, bryozoans, sponges, molluscs and polychaetes.
Characteristic features: Marine arthropods with 4 pairs of legs, proboscis, chelifores, palps, and ovigerous legs