Fig. 2
From: Change of external sexual characteristics during consecutive moults in Crangon crangon L
Changes of morphological sexual characteristics in consecutive moults of Crangon crangon: first pleopod (a) and second pleopod (b) of last moult with male characteristics; first pleopod (c) and second pleopod (d) of the subsequent moult with now female characteristics; first pleopod (e) and second pleopod (f) of third moult after the change. The arrows indicate the endopodites (Ep) and the appendix masculina (Am)