The Custom Name Lanterns that are depicted in these pictures are made of dog food cans and are categorized in the Regular Tall size. Price starts at NAf. 35,- ($ 20) and are also very nice as a lamp shade above a bar or kitchen counter.
Koi Fish meaning in Japan is good fortune or luck they also are associated with perseverance in adversity and strength of purpose, the Koi fish symbolize good luck, abundance and perseverance. Symbolic in Buddhism is to represent courage.
Based on that legend, it became a symbol of worldly aspiration and advancement. Source Koi Pond guide.