You’d be surprised. There are a number of fish and reptiles that are capable of it.Woah! Well thanks all! What a weird creature! You wouldn't expect that type of reproduction in anything more advanced than nematodes or the like.
It's referred to as parthenogenesis, quite common in some reptiles like Komodo dragons. Some animal groups become exclusively female and clonal, this is generally detrimental for long term survival of the species as it kneecaps their adaptive ability!You’d be surprised. There are a number of fish and reptiles that are capable of it.