"Catfish Blues" is a song by Gov't Mule, which is a blues rock band led by guitarist Warren Haynes. The song is actually a cover of a traditional blues song that has been recorded by various artists over the years. The lyrics of the song depict a man wishing he was a catfish swimming in the deep blue sea. He feels that if he were a catfish, he would have all the women chasing after him. This can be seen as a metaphor for wanting to be carefree and desired by others. The protagonist of the song expresses his current situation of being broke, hungry, ragged, and dirty. He asks if he cleans up, can he stay home with someone, indicating a desire for love and companionship. He is willing to wait patiently outside their door if he is not allowed inside. The lyrics also imply that the protagonist's relationship with the person he is singing to is strained. He knows that his lover will be happy and excited when his train arrives and he walks out, suggesting that he has been away for a while. However, he is determined to leave again, regardless of his lover's tears. The more she cries, the more he feels compelled to go away, indicating a relationship that may be complicated or unsatisfactory. The final lines of the song express frustration. The protagonist realizes that his lover doesn't want him, but wishes she would be honest and tell him. This way, he would no longer visit her house and subject himself to her rejection. Overall, "Catfish Blues" portrays themes of longing, desire, and the complexities of relationships. It captures the blues genre's essence by reflecting on personal struggles and yearnings.