Coconut crabs first use their claws to scrape away the fibrous coating. Because of the array of possible homes that the coconut octopus uses, there are never ending opportunities to capture unique and special images. The veined octopus (Amphioctopus marginatus) is also known for its intelligence.In 2009 biologists reported having observed the animals excavating coconut half shells from the ocean floor and carrying them for use as portable shelters. Size: Their average length is 3 in (8 cm); including the tentacles, they are around 6 in long (15 cm). Breaking into a coconut is a mighty ordeal even if you’re a heavily armored crustacean the size of a small dog. Seriously, watch the video, it’s absolutely amazing! Amphioctopus marginatus, also known as the coconut octopus and veined octopus, is a medium-sized cephalopod belonging to the genus Amphioctopus.It is found in tropical waters of the western Pacific Ocean.It commonly preys upon shrimp, crabs, and clams, and displays unusual behavior including bipedal walking and tool use (gathering coconut shells and seashells and using these for shelter). Cephalopods. Size and description The main body of the octopus is usually around 8 cm in size, with tentacles it is about 15 cm long. Color: Coconut octopuses have elegant physical characteristics marked by a brown colored body with vein-like lines paired with a yellow siphon. Can Fit Through TINY Spaces. Colour varies to blend in with surroundings. Because octopuses have no bones, they are able to fit in extremely small spaces, like in this ‘plexiglass wonderland’ created by Nat Geo. But you might want to bring a magnifying glass. Physical Description. A 600-pound octopus is able to squeeze through a tube the size of a quarter. The sizes of coconut octopus ranges from as small as a dime to softball size leviathans. Such behaviour is regarded by biologists as the first documented example of tool use by an invertebrate.. Octopuses have separate sexes, and the male … Weight: They weigh around 7-9 oz (200-250g). Coconut Octopus. Day Octopus. 2. They have been observed using plastic wrappers, coconuts, shells, glass bottles, sardine cans and more. Greater Blue-Ringed Octopus. Also known as Sand Bird Octopus, Veined Octopus, Walktopus. Length - 8cm Depth - … Octopuses. Blue-Ringed Octopus. Common Octopus. They feed on clams, crabs and shrimp. 1. Found singly on sandy bottoms often buried in the sand or in receptacles like coconut shells over bays and lagoons. Atlantic White-Spotted Octopus. Size: Up to 12 in. Being a member of the Amphioctopus genus, the Mototi octopus looks a lot like its relative, the Coconut Octopus, as far as its shape and body size are concerned.Its small size, as well as its aptitude for hiding, are the main reasons why this octopus has not been noticed until recently. Octopus sp. This medium-sized octopus uses the shell as a tool, but also has the ability to discriminate between old and new tools. The coconut octopus is a medium-sized cephalopod that uses coconut shells as a ready-made shelter. Poison Ocellate Octopus. The Veined Octopus (Amphioctopus marginatus), also known as the Coconut Octopus, is a medium sized cephalopod belonging to the genus Amphioctopus. Coconut Octopus. Caribbean Reef Octopus. It is found in tropical waters of the western Pacific Ocean. The male octopus has a modified arm called the hectocotylus, which is about 3 feet (1 meter) long and holds rows of sperm.Depending on the species, he will either approach a receptive female and insert the arm into her oviduct or take off the arm and give it … 5 – Amphioctopus margins – uk.pinterest.com. (30 cm) Depth: 10-80 ft. (3-25 m) Distribution: West Pacific. Known as the world’s smallest octopus, you can find this tiny octopus in the Indo-Pacific Ocean.