Bioluminescent arthropoda

Colossendeis is a genus of sea spider (class Pycnogonida) belonging to the family Colossendeidae. These sea spiders are typically found in the deep sea. This genus includes the largest pycnogonids, with leg spans frequently ranging from 40 to 50 cm (16-20 in). The largest sea spider, Colossendeis colossea, can reach a leg span of 70 cm (28 in). This genus also includes some bioluminescent sea spiders.

species of crustacean