Bonnethead tend to be larger than males. The Greek word "sphyrna" translates as "hammer", referring to the shape of this shark's head; "tiburo" is the Taino word for shark. Bonnethead sharks are the only sharks known to exhibit sexual dimorphism in the morphology of the head. Adult females have a broadly rounded head, whereas males possess a distinct bulge along the anterior margin of the cephalofoil. This bulge is formed by the elongation of the rostral cartilages of the males at the onset of sexual maturity and corresponds temporally with the elongation of the clasper cartilages. The pectoral fins on most
Foo creature Foo creature In the "Dungeons & Dragons" fantasy role-playing game, the foo creature is a type of outsider creature. The foo dog and the foo lion first appeared in the first edition "Monster Manual II" (1983). The foo dog and the foo lion appeared in second edition for the Kara-Tur setting in the "Monstrous Compendium Kara-Tur Appendix" (1990). The foo dog and the foo lion appeared for the Planescape setting in the first "Planescape Monstrous Compendium Appendix" (1994), and the "Guide to the Ethereal Plane" (1998). A foo creature is found on the Upper Outer Planes, and can sometimes be