Caribbean hermit crab right claw and is purple in color. Female land hermit crabs release fertilized eggs into the ocean. The spawning (called "washing" in the English-speaking Caribbean) occurs on certain nights, usually around August. This species is one of the two land hermit crabs commonly sold in the United States as a pet, the other being the Ecuadorian hermit crab. "C. clypeatus" has been confirmed to live as long as 12 years, and some crab owners have claimed to have crabs live up to 40 years. Caribbean hermit crab The Caribbean hermit crab, Coenobita clypeatus, also known as the soldier crab, the
On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection paper, consisting of the letter and papers, was published in the "Zoological Journal of the Linnean Society 3" (20 August): 46–50. The paper consisted of a communication letter by Joseph Dalton Hooker and Charles Lyell dated 30 June 1859, giving information on the three sections of the papers. The introduction is shown below, along with the section headings: MY DEAR SIR,—The accompanying papers, which we have the honour of communicating to the Linnean Society, and which all related to the same subject, viz. the Laws which affect the Production of Varieties, Races, and Species, contain the results of the investigations