In crocodile: Form and function …groups of bony scales called scutes. Small postoccipital scutes are located just behind the head and are present in all crocodiles except the estuarine crocodile. Behind the postoccipital scutes are the larger nuchal scutes, which in some species are connected to the adjacent horny plates of the back. Read More
sturgeons
In sturgeon: Form and behaviour Sturgeons have bony plates (scutes) covering the head and five longitudinal rows of similar plates along the body. The tail fin is heterocercal, the upper lobe being longer than the lower. The toothless mouth, on the underside of the snout, is preceded by four sensitive tactile barbels that the… Read More
