Integrated development environments are designed to maximize programmer productivity by providing tight-knit components with similar user interfaces. IDEs present a single program in which all development is done.
The Most Expensive Koi Fish. In The World. Most Expensive Koi Fish: $2.2 Million. Koi lovers will have to dig deeper into their pockets to afford this extraordinary specimen of koi fish. Yes, the koi carp sold for a whopping $2.2 million.
Availability. The Ryukin Goldfish are readily available in fish stores and on-line, but cost more than other fancy goldfish. They come in red, red and white, calico, tri-color, white, and chocolate, with the red and white variety being the least expensive. The long-tail varieties are more rare..