** Shares of Fitzroy River FZR.AX rise as much as 2.9% to A$0.18, their highest level since January 23
** Stock hits biggest intraday pct gain since March 6
** Oil and gas investment co says it has received payment from mineral explorer Tasman Mining (Tasman)
** Tasman acquires co's royalty in Snowy River Gold Project in New Zealand for A$12.3 mln ($8.44 million)
** Stock up 12.5% YTD, including day's moves
($1 = 1.4575 Australian dollars)
(Reporting by Aamir Sheik Khalid in Bengaluru)
((Aamir.SheikKhalid@thomsonreuters.com))