Now as he walked by the sea of Galilee, he saw Simon and Andrew his brother casting a net into the sea: for they were fishers.
Berean Study Bible (BSB) - Mark 1:16 >As Jesus was walking beside the Sea of Galilee, He saw Simon and his brother Andrew. They were casting a net into the sea, for they were fishermen.
Textus Receptus (TR) - Mark 1:16 >Περιπατῶν δὲ παρὰ τὴν θάλασσαν τῆς Γαλιλαίας εἶδε Σίμωνα καὶ Ἀνδρέαν τὸν ἀδελφὸν αὐτοῦ βάλλοντας ἀμφίβληστρον ἐν τῇ θαλάσσῃ· ἦσαν γὰρ ἁλιεῖς.