Teeth are not used very much by rays as a defense, although some can bite. Camouflage on the sea bed is probably among their best defenses. Rays do not normally attack people. Thre are some rays who have a tail sting that can be deadly. Blind Electric Ray Typhlonarke aysoni can give an electrical shock and has almost useless eyes.
All skates are oviparous.
Fertilization is always internal. The growth of ray populations, therefore, is slow. Many fossilized Guitarfish teeth and some fossilized spines have been found. A printout for elementary school students. As stated in our privacy policy , we fully respect your privacy and will not use your e-mail address for any purpose other than the newsletter subscription.