Abdopus aculeatus reaches 20 cm. Small Indo-Pacific octopus with highly variable brown-green body with characteristic warty skin papillae (hence aculeatus), capable of deploying algae-, twig- or spine-shaped appendages for perfect mimicry. Remarkable behavior: documented bipedal walking (uses last two arms to crawl, other arms raised above like algae). Lives from 0 to 15 m on sand, seagrass and shallow tidepools. Macro photo subject for unusual behavior.
Frequently asked questions
How big is the Algae octopus?
Algae octopus (Abdopus aculeatus) reaches 8–20 cm in length.
At what depth can you find the Algae octopus?
Algae octopus is found between 0–15 m deep.
Is the Algae octopus dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Algae octopus?