👉 Undines, also known as "undine" or "unend", are a type of marine fish that is native to the Indian Ocean. They are known for their distinctive coloration and their ability to live in saltwater environments where oxygen levels can be low. The name "undine" comes from the Sanskrit word "undu," which means "no breath." Undines have a unique adaptation called the "endocrine gland," which is located on their heads and helps regulate their body
