Molluscs are the largest marine phylum, comprising about 23% of all the named marine organisms. They are highly diverse, not just in size and anatomical structure, but also in behavior and habitat, as …

Dec 19, 2025 · Found on rocky, sandy, and muddy substrata, mollusks burrow, crawl, become cemented to the surface, or are free-swimming. Mollusks are found worldwide, but there is a …

Jul 17, 2025 · Mollusks or Molluscs are a group of soft-bodied invertebrates distributed across marine, freshwater, and terrestrial habitats. They belong to the phylum Mollusca, the second largest after …

Discover the varied types of mollusks and their ecological roles in this article, from pearl-producing oysters to the unique sea butterfly and even the venomous blue-ringed octopuses.

Dec 1, 2025 · Mollusks are the dominant invertebrate phylum in marine habitats, making up approximately 23% of all named marine species. They are also found in freshwater systems and …

They are soft-bodied creatures, typically protected by a hard shell, although some mollusks lack shells or have reduced shells. Mollusks inhabit various aquatic and terrestrial environments, including …

There are three major groups of mollusks. Gastropods include snails and slugs and live both on land in freshwater and in the sea. Bivalves include clams, oysters, and scallops and live in the ocean and …