Endochondral bone that is median and is the anterior-most bone of the ventral hyoid arch, the 'tongue' of the a fish. Ossification of the cartilaginous basihyal is first visible at the posterior end of the club-shaped basihyal cartilage (6.0 mm). Ossification spreads throughout the cartilage, except for the anterior tip, which remains cartilaginous. The posteroventral tip extends between the left and right dorsal hypohyals. [ ORCiD:0000-0002-2244-7917 GOC:cvs ]