Pearl with a mother of pearl bead center. In the cultured pearl industry, the resources used to create a mistaken all nacre baroque pearl is a drain on the production of round cultured pearls. Therefore, they are trying to improve culturing technique so that keshi pearls do not occur. All nacre pearls may one day be limited to natural found pearls. Today many "keshi" pearls are actually intentional, with post-harvest shells returned to the water to regenerate a pearl in the existing pearl sac. Tahitian pearls, frequently referred to as black pearls, are highly valued because of their rarity; the culturing
Pearl Krabs vein to "Mother of God," as a reference to the absence of Pearl's mother. His use of the phrase only when he is dismayed or shocked has led some viewers to believe something tragic happened to Mrs. Krabs. At Dragon Con in 2016, Lori Alan and Rodger Bumpass addressed Pearl's origins as their characters Pearl and Squidward. In the skit, Squidward asks Pearl if she is adopted. Pearl does not give a definite response, instead saying that she gets emotional over the topic. Later at the same event, the actors discussed the disappearance of Pearl's mother. Alan affirmed that Mrs.