Fishing is a Tier One technology that allows the player to fish fish found on shallow water tiles in their territory for 2 resources. Each act of fishing adds one bar of population for the city the fruit is in. Fishing is considered to be a powerful starter tech because of the many powerful techs after it.

Researching Fishing reveals Whales on the map.

It is preceded by nothing, being a Tier One tech. It leads to Sailing and Whaling.

The Kickoo tribe starts with fishing.

Note: Fish can occasionally spawn on ocean tiles, although this is quite rare.