The ΙΧΘΥΣ, or Ichthys, is a Christian symbol that looks like a fish. Fish are mentioned many times in The Bible; Jesus chose several fisherman to be his disciples. There are many theories as to why the fish was chosen as a symbol.
ΙΧΘΥΣ stands for "Ἰησοῦς Χριστός, Θεοῦ Υἱός, Σωτήρ" ("Jesus Christ, God's Son, Savior").
There are one or two I can think of when you ask about fish. The koi design comes from a Japanese story that a Koi evolves into a dragon as it moves up stream. Then there is the Christian symbol of the fish that was taken from the Greek word and was used by early Christians to identify themselves as Christian.
clown
Christians, Jesus, Christ
An upside down cross is often associated with the occult, Satanism, or anti-Christian beliefs. It can symbolize rebellion against traditional Christian values or a rejection of the Christian faith.
A fish eating a bananna
It symbolizes the crucifix.
A fish bone tattoo symbolizes high status. The fish bone tattoo was popular among Native American tribes to symbolize their ranking.
The fish stands for a choice
Beautiful Warrior ( Fighter )
martin Luther king
heaven
The coming together of Roman, Christian, and Germanic elements.