Ask questions about zoology

[Godzillasaurus]

This is kind of a game, but it fits in with the nature discussion. The point is to ask legit animal questions (that you did not already know) and the next person is to answer that SCIENTIFICALLY and FACTUALLY (no joking). The point is to answer the previous question and then ask your own

Here is my first question: what do male anglerfish eat and do they even have teeth?

[Fragillimus335]

Many taxa of male anglerfish lack usable mouthparts or functioning digestive systems. They are effectively female-seeking genitals with noses. Others do have the ability to eat, but I am unsure what…

Why was massive size so strongly selected for in Mesozoic times, but to a much lesser extent now?

[Runic]

Their was a lot more oxygen in the air back then so animals could attain much larger sizes.

Why are big cats so big yet dogs so small?