In Glaucus and Scylla, Salvator Rosa presents a dramatic scene filled with vibrant colors. The figures of Glaucus and Scylla are depicted in a turbulent seascape, surrounded by waves and rocky cliffs. Rosa uses deep blues and greens to convey the tumultuous nature of the ocean, contrasting with the pale skin of the figures.

The expressions on their faces reflect a mix of longing and despair, enhancing the emotional intensity of the scene. The painting is executed in oil on canvas, a common medium during the Baroque period. Rosa's brushwork is dynamic, with visible strokes that add texture to the waves and the figures. The composition is carefully arranged, leading the viewer's eye towards the central figures while the background creates a sense of depth.

The use of light and shadow further emphasizes the drama of the moment. Salvator Rosa was known for his dramatic landscapes and mythological themes, often blending the two in his works. This painting reflects his interest in the tension between nature and human emotion. An interesting fact about Glaucus and Scylla is that it captures a moment from Ovid's Metamorphoses, illustrating the tragic love story between the two characters.

Rosa's interpretation adds a layer of psychological depth, making it a notable work in his oeuvre.