Figure 4.

Specific female anatomy. Species-specific morphologies in female batoids that could be relevant when performing artificial insemination. Reproductive, excretory, and digestive systems are marked with different colours. Green: the uteri; yellow: the excretory system; red: access to the digestive system. The grey circles are the abdominal pores that communicate the pleuroperitoneal cavity with the exterior. (A) model for skates, genus Raja; (B) common eagle ray Myliobatis Aquila; (C) model observed in common stingray Dasyatis pastinaca; (D) bull ray Aetomylaeus bovinus; (E) marbled electric ray Torpedo marmorata; (F) longnosed skate Dipturus oxyrinchus.