YOU SAID:

their are 400 species of shark in the water at the moment

INTO JAPANESE

現時点で400種類のサメが水中にいます

BACK INTO ENGLISH

There are currently 400 kinds of sharks in the water

INTO JAPANESE

現在、水には400種類のサメがいます

BACK INTO ENGLISH

There are currently 400 types of sharks in the water

INTO JAPANESE

現在、水中には400種類のサメがいます

BACK INTO ENGLISH

There are currently 400 types of sharks in the water