Patella aspera and collapse of its fishery. Harvest has been banned in some areas. Overharvest is particularly damaging to the species because larger individuals are targeted, and these are more likely to be female. The species is protandric, with individuals being born male and often becoming female with age. The loss of the individuals that grow large enough to turn female leaves the population without enough breeding females. Patella aspera Patella aspera is a species of limpet, a type of sea snail in the family Patellidae. Long considered to be a subspecies of "Patella ulyssiponensis", genetic evidence supports its recognition as a
Development of the human body characteristics, the "filling in" of the child's body; from girl to woman, from boy to man. Biologically, an adult is a human or other organism that has reached sexual maturity. In human context, the term "adult" additionally has meanings associated with social and legal concepts. In contrast to a "minor", a legal adult is a person who has attained the age of majority and is therefore regarded as independent, self-sufficient, and responsible. The typical age of attaining adulthood is 18, although definition may vary by legal rights and country. Human adulthood encompasses psychological adult development. Definitions of adulthood are often