Here are the translations of the phrases from Spanish to English:
- ir a pesca - to go fishing (though "ir a pescar" is more commonly used)
- ir a pesca - to go fishing (repeated)
- ir pescar - to go fishing (this is somewhat less common; "ir a pescar" is the preferred form)
- ir al pesca - to go to the fishing (however, "ir a la pesca" would be correct if referring to fishing as an activity)
- ir de pesca - to go fishing
The most common ways to express the idea of going fishing are "ir a pescar" and "ir de pesca".