Bonnethead in their hindgut. The bonnethead shark is viviparous. Females reach sexual maturity at about 32 in, while males reach maturity around 24 in. Four to 12 pups are born in late summer and early fall, measuring . Bonnetheads have one of the shortest gestation periods among sharks, lasting only 4.5–5.0 months. A bonnethead female produced a pup by parthenogenesis. The birth took place at the Henry Doorly Zoo in Nebraska; DNA analysis showed a perfect match between mother and pup. The bonnethead is an abundant species and is currently classified as a least-concern species by the IUCN. It is heavily
Bucca (mythological creature) in Cornish tin mines, granting wishes in exchange for food (see knockers). Bucca (mythological creature) Bucca is a male sea-spirit in Cornish folklore - a merman- that inhabited mines and coastal communities as a hobgoblin during storms. The mythological creature is a type of water spirit likely related to the Púca from Irish and Welsh folklore and the female mari-morgans - a type of mermaid from Welsh and Breton mythology. Rev W. S. Lach-Szyrma, one 19th-century writer on Cornish antiquities, suggested the Bucca had originally been an ancient pagan deity of the sea such as Irish Nechtan or British Nodens,