And as Jesus was walking by the Sea of Galilee, he saw two brothers, Simon (who is called Peter) and Andrew his brother, casting a net into the lakea—for they were fishermen. Bible see other translations
This is referring to the “Sea of Galilee.”

“Sea of Galilee.” The “sea” of Galilee is actually quite a small lake, only 7 miles (11.2 km) across and 12 miles (19.3 km) long, and the entire lake can be seen from the escarpments on both the east and west sides. The Greek word thalasso, lake, sea, or ocean, does not really refer to the size of the body of water, and thus has to be translated into the English “lake,” “sea,” or “ocean” by knowing the body of water that is being referred to. Because the body of water is historically known as, and called, “the Sea of Galilee” we leave that name intact when its proper name is mentioned. However, when it is not referred to by name, we refer to it like it actually is—a lake. The “Sea of Galilee” is the only freshwater lake generally referred to as a “sea.” Technically, “seas” are saltwater.

“for they were fishermen.” In this case, Peter and Andrew were fishermen. There would be other people who used cast nets to catch fish to eat.

Additional resource:

Video expand/contractThe Calling of the Disciples of Jesus (19:40) (Pub: 2015-01-16)

By examining the calling of Jesus’ disciples, we learn some amazing truths about culture, history, timing, and experience. Brotherhood, friendship, and experience play leading roles in determining how the disciples built total trust in and commitment to Jesus’ imperative call to “Follow Me!”

Verses: John 1:35-51; 2:1, 2; Matt. 4:18; Mark 1:16; Luke 5:10; 21:15

Teacher: John Schoenheit

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Commentary for: Matthew 4:18