Children (7 direct children, 8 direct and indirect children):
Cowtail stingray
(tree size 1)
Pastinachus sephen
Pastinachus gracilicaudus
Pastinachus stellurostris
Roughnose stingray
Pastinachus solocirostris
Pastinachus atrus
Pastinachus ater
Pastinachus gruveli