Amphioctopus fangsiao

Species of octopus

Amphioctopus fangsiao, commonly known as the ocellated octopus, is a species of octopus in the family Octopodidae. It is found in the coastal waters of the western Pacific Ocean, particularly around China, Japan, and Korea. This species is notable for its distinctive eye-like spots, or ocelli, which are used for camouflage and predator deterrence.

Description

Close-up of the suckers of Amphioctopus fangsiao

Amphioctopus fangsiao is a small to medium-sized octopus, with a mantle length of up to 8 cm and arms that can reach up to 30 cm in length. The body is soft and flexible, allowing it to squeeze into small crevices and hide from predators. The skin is covered with chromatophores, enabling the octopus to change color and texture for camouflage.

The most distinctive feature of A. fangsiao is the presence of ocelli, or eye-like spots, on its body. These spots are used to startle predators and are a key identification feature of the species.

Habitat and Distribution

Amphioctopus fangsiao inhabits shallow coastal waters, often found in sandy or muddy substrates where it can burrow and hide. It is distributed across the western Pacific Ocean, with significant populations in the coastal regions of China, Japan, and Korea.

Behavior

This species is primarily nocturnal, hunting for prey such as crustaceans, mollusks, and small fish during the night. It uses its arms and suckers to capture and manipulate prey, often employing a strategy of ambush and surprise.

A. fangsiao is known for its intelligence and problem-solving abilities, traits common to many octopus species. It can navigate mazes, open jars, and exhibit complex behaviors in response to environmental challenges.

Reproduction

The reproductive cycle of Amphioctopus fangsiao involves the male transferring a spermatophore to the female using a specialized arm called the hectocotylus. The female then lays eggs in a secure location, often guarding them until they hatch. After hatching, the young octopuses are planktonic, eventually settling to the ocean floor as they mature.

Culinary Use

Jukkumi-bokkeum, a spicy stir-fried dish made with A. fangsiao

In Korean cuisine, Amphioctopus fangsiao is known as jukkumi and is a popular ingredient in various dishes. It is often prepared as jukkumi-bokkeum, a spicy stir-fried dish, or jukkumi-gui, grilled octopus. The octopus is prized for its tender texture and ability to absorb flavors from sauces and marinades.

Jukkumi-gui, grilled A. fangsiao

Conservation

While not currently listed as endangered, Amphioctopus fangsiao faces threats from overfishing and habitat destruction. Sustainable fishing practices and habitat protection are essential to ensure the long-term survival of this species.

Related Pages

• Octopus
• Cephalopod
• Marine biology
• Korean cuisine