How do shells reproduce?

Shells are molluscs that live by the water, and there are many kinds of them, such as red shellfish, salamander, field conch, conch, clam, clam and so on. So, do you know how shells reproduce?

First, how do shells reproduce?

Shells are oviparous, and their reproduction methods vary from species to species. Shellfish usually reach sexual maturity on the first anniversary. Some shellfish fertilize and hatch their eggs in water, while some shellfish fertilize and hatch their eggs in the womb.

Some shellfish are hermaphroditic and some are hermaphroditic. Hermaphroditism is fertilized through mating, and some are fertilized by releasing sperm and eggs in water or in the mother's Gill cavity or "uterus", respectively. Hermaphroditism involves two individuals fertilizing each other, and some individuals mate in a row. The first individual plays only a female role, the last individual plays a male role only, and the middle individual plays both a female and a male role.

Second, how many years can shellfish live?

The lifespan of shellfish varies from species to species. Some shellfish have a life span of only one year, such as some species of naked Gill and cephalopod. Some shellfish have a long life, such as mussels and sea roaches can live for 10 years, Pinctada martensii can live for 12 years, pearl mussels can live for 80 years, and oysters can live for 1 century.

What do shellfish eat?

Shellfish are herbivorous and carnivorous. Many primitive gastropods such as abalone, horseshoe snails, shellfish and many lung snails are herbivorous; some species of plumbing in the midgastropod and most of the species in the new gastropod are carnivorous and feed on carnivorous animals. some draw hydra, ring worms, bivalves, crabs, fish and so on. Cephalopods are also carnivorous, preying on bivalves, crabs, and even chasing schools of fish.