The arrested persons are Abdul Mutalif (20), and Mohammed Asif (19), they said.
A 17-year old boy hasalso been named as an accused.
Police said all the three were directly involvedin the crime.
They allegedly attacked the fisherman, Rajesh Kotian while he was on his way to Kotepura boat jetty to leave for fishing early morning.
The incident had led to outrage among members of Mogaveeracommunity who held a protest in front of Ullal policestation carrying the body of the fisherman on April 13.
Further investigations are on, they said.
