News Headline
Dolphins, the most appreciated marine mammals in Persian Gulf
Source
Tehran Times
Publication Date
2017-01-23
They are of the order Odontoceti and, unlike the whales have numerous teeth (up to 260), which are all alike and grow only once.
Content
http://www.tehrantimes.com/news/410309/Dolphins-the-most-appreciated-marine-mammals-in-Persian-Gulf