Skate embryos (Leucoraja erinacea) after removal from the egg case, visible on top of their yolk sacsRORY COOPER, FRASER LABORATORY, UNIVERSITY OF SHEFFIELDResearchers are studying the early development of skin scales in sharks and skates to explore whether a conserved patterning system exists throughout vertebrates.
Image of the Day: Skate Youngsters
Scientists study the development of scales in skate embryos.

