When a guppy poops black, it does not necessarily mean that it is finished. The color of guppies' poop is usually yellow or brown. If black poop occurs, it may be due to dyes added to the feed or the guppies are suffering from digestive system diseases.
If the guppy's black poop continues to appear and is accompanied by other symptoms, such as poor appetite and slow movement Wait, you may need prompt medical treatment. In addition, there will be some changes when guppies give birth, such as enlargement, slow movement, etc., but they do not necessarily have black stool. Therefore, if any abnormalities are found in guppies, they should be observed in time and take appropriate measures.
