Hi I'm Cuban and Citizenship I americana.puedo claim a Spanish recidente brother? What procedures should I do? Thank you

You must inform the USCIS authorities in Miami to open a file of regrouping from a US citizen to a foreign brother, but I can assure you that he first obtains Spanish citizenship and comes to visit you with a Spanish passport.

You are in the wrong place. If you want to bring your brother from Spain to the United States, you must do so through the USCIS.