An alien species between humans and pigs is a strange and impractical concept. Although there are animals with similar shapes and lifestyles, there is no hybridization between humans and pigs.
It is believed that creating a hybrid species between humans and pigs is not feasible because they have too many biological and physical differences. Humans and pigs belong to different animal groups and cannot hybridize.
However, studying hybridization between animal species is an important research field in understanding biodiversity on Earth. Some animal species can hybridize, but this is rare and mostly done under experimental conditions.
In nature, hybridization between animal species occurs regularly, but mostly between closely related species with similar genetic structures. For example, cats and tigers can hybridize and produce a hybrid animal called a “tigercat”. However, this animal species is rare and does not exist in nature.
In conclusion, creating an alien species between humans and pigs is impractical and unrealistic. However, studying hybridization between animal species is an important research field that can help us understand more about biodiversity on Earth.