Popular science

Dogs often lift one leg when urinating; is this a hobby of theirs? In Chinese folklore, the term “sycophant” is often used to describe those who flatter the powerful an…

Male hamsters have a strong sense of territorial behavior; they like to urinate in the four corners of their cage to mark their territory. When other creatures enter their domain, …

The methods of raising Koi carps are mainly divided into indoor and outdoor aquaculture. Today, we are focusing on indoor aquaculture of Koi carps. Generally speaking, larger fish …

Firstly, a cat’s resistance to diseases decreases after sterilization surgery. Without vaccination, the body lacks antibodies; however, vaccination leads to the production of…

The growth rate and body size of Koi Carp can vary due to factors such as individual genetics, growth environment, and breeding methods. Generally speaking, Koi Carp can grow betwe…

A friend asked me whether goldfish and koi can be kept together. This question is actually very common among beginners when they first start with coldwater fish. First of all, if y…

Recently, many people have been asking me about the discoloration of dog noses in the comment section and private messages. Today, I specifically come to fill this gap, the princip…

How can a newly set up aquarium achieve clear water and bright fish within three hours? In fact, this does not require a high level of technical difficulty and is not related to wh…

The water flow rate of Filter A is such that it can fill a cup of water in one second, while Filter B requires three seconds to fill the same cup. Under the condition that the filt…

Selecting a filter can indeed be a confusing task for beginners. Before choosing a filter, it is essential to understand what filtration is. Recently, the most frequent question I …