** Shares of U.S.-based oil and gas firm Talos Energy

fall 1.5% to $11.59 premarket

** TALO, after market on Monday, posted Q3 adj. net loss of $25.6 mln, compared with adj. net income of $18.6 mln a year earlier

** Company's Q3 adj. loss of 14 cents/shr also higher than analysts' est. of 6 cents/shr loss - LSEG data

** Up till last close, stock down 17.29% YTD

(Reporting by Pooja Menon in Bengaluru)

((Pooja.Menon@thomsonreuters.com;))