TIL Some sharks will eat their siblings while in the mother's womb. When reproduction is ovoviviparous, that is, fertilized eggs are retained within the body and develop there. Prior to birth, the young in the womb may feed on undeveloped eggs and unborn siblings.
animaldiversity.orgSubmitted by testhec10ck t3_10ofofc in todayilearned
coredump3d t1_j6faw1p wrote
Sibling rivalry to the next level