The Prophet ﷺ forbade the price of a dog, the earnings of a prostitute, and the stud fee for a male animal.
عن النبي ﷺ أنه نهي عن ثمن الكلب، ومهر البغي، وعسب الفحل.
Ahmad (10489, 10490) and Ibn Hibban (4941) both narrated it through routes from Ata bin Abu Rabah, from Abu Hurairah, who related it.In one version there is an addition, "the price of a cat." In another version there is an addition, "the earnings of a cupper."Its isnad is sahih, and some of the narrators from Ata have been criticized, but the others corroborate them.