What is the coolest mollusk?

Amazing Mollusks: Images of Strange & Slimy Snails

• Beautiful Bubbles. (Image credit: Denis Riek )
• Violet Rafting Snail. (Image credit: Denis Riek )
• Bubble-Rafting Snail On Shore. (Image credit: Public domain)
• Brown Bubble-Rafting Snail. (Image credit: Denis Riek )
• Ram’s Horn Snails.
• Pearly Shell.
• Monster Snails.
• Snail Eggs.

What are the 3 main mollusks?

The three major groups of mollusks are gastropods, bivalves, and cephalopods (SEF ul o pods). The largest group is the gastropods. These are mollusks like snails and slugs that have just one shell or no shell at all. Gastropods creep along on their broad foot.

Which molluscs are the smartest?

Intelligence of squid and octopuses. The cephalopod class of mollusks are considered the most intelligent invertebrates and an important example of advanced cognitive evolution amongst animals in general.

What are the 6 molluscs?

Class Gastropoda – snails, slugs, limpets, whelks, conchs, periwinkles, etc. Class Bivalvia – clams, oysters, mussels, scallops, cockles, shipworms, etc. The Class Scaphopoda contains about 400 species of molluscs called tooth or tusk shells, all of which are marine.

What makes Mollusca unique?

A feature unique to molluscs is a file-like rasping tool called a radula. This structure allows them to scrape algae and other food off rocks and even to drill through the shell of prey or catch fish. In creatures such as squid, the shell became small, moved inside the body and all but vanished.

Is an octopus a mollusk?

octopus, plural octopuses or octopi, in general, any eight-armed cephalopod (octopod) mollusk of the order Octopoda. The true octopuses are members of the genus Octopus, a large group of widely distributed shallow-water cephalopods.

What are the 4 major molluscs?

This is the largest and most diverse group of mollusks (around 40,000 different species); 3) bivalves, including clams, oysters, and mussels; and 4) cephalopods, including squids and octopuses. …

What are the unique characteristics of mollusks?

Mollusks have a hard outer shell. There is a layer of tissue called the mantle between the shell and the body. Most mollusks have tentacles for feeding and sensing, and many have a muscular foot. Mollusks also have a coelom, a complete digestive system, and specialized organs for excretion.

What molluscs has the largest eye?

Giant squid have the largest eye in the animal kingdom. At up to 10 inches in diameter, people often describe it as the size of a dinner plate — or, in other words, as big as a human head.

Which mollusc has the largest brain?

Octopuses, having the largest brains of any invertebrate, independently evolved a learning circuit similar in organization and function to the mushroom body of insects and the hippocampus of mammals.

How many molluscs species are there?

Around 85,000 extant species of molluscs are recognized. Molluscs are the largest marine phylum, comprising about 23\% of all the named marine organisms. Numerous molluscs also live in freshwater and terrestrial habitats.