Re: Questions That Need Answers
Fish have two nostrils on each side of their head like this (::), where water enters and exits. The olfactory [smell] system is located between the entrance and exit nostrils on each side of its head. There is no connection between the olfactory organs and the throat, as there is in the human.
As u can see I have some spare time and have copied and pasted this from a site that I shut down before noting its link.