Садко 1876 Холст масло 323х230 мм часть 2 - Russian and soviet artists Русские и советские художники

The picture has something of this: people, group, woman, underwater, fish, girl, man, water, light, wear, child, magic, nude, interaction, portrait.
Perhaps it’s a painting of an underwater scene with a mermaid and a man standing next to a mermaid.