Salmon

• Salmon of Knowledge: the magic salmon (An Bradán Feasa) of Finegas

• Solomon: the third and last King of Israel (before the schism into Judah and Israel), renowned for his wisdom, and often associated in FW with the similarly spelled Salmon of Knowledge, which was a repository of great wisdom

• Pisces, the Fishes: a constellation → the Sun is in Pisces from 11 March to 18 April, but the astrological sign of Pisces runs from 19 February through 20 March.