** Shares of ASX-listed Clean Seas Seafood CSS.AX plunge to a record low, down as much as 28% to A$0.090

** Yellowtail Kingfish seller trims FY25 sales forecast to 2,200-2,300 tonnes, down from the prior 2,550-2,650 tonne guidance

** Co earlier reported higher-than-expected mortalities within its cohort of fishes and withdrew its operating EBITDA guidance

** Notes that the mortalities primarily originated from deficiencies in management and animal husbandry

** Shares of co posts their biggest intraday pct loss since late-November 2023

** Stock down 65.7% YTD, including current session, as at 0331 GMT

(Reporting by Kumar Tanishk in Bengaluru)

((Tanishk.Kumar@thomsonreuters.com;))