It is not possible to use sun as a specimen. There are two ways to make specimens:

1, one in formalin can keep the hippocampus in its original shape, and the hippocampus will not spread out in the bottle. Remember to seal the bottle with wax.

2. blow dry. After washing, set it on a glass plate and blow dry it with a hair dryer. After drying, spray insect repellent. Then, what kind of framing you want depends on your own preferences.

Specimens are animals, plants, minerals and other objects. They are intact individuals (even multiple individuals, such as bacteria, algae and other microorganisms, or small individuals living in one place, such as fungi), or some of them become samples, which can be preserved for a long time through various treatments, such as physical air drying, vacuum, chemical anti-corrosion treatment, etc., and try to keep their original appearance for exhibition, demonstration, education, identification and identification.