Practical Fishkeeping - The UK's best-selling fishkeeping magazine. Practical Fishkeeping (also known as PFK) caters not only for the very keenest fishkeepers but also beginners. It is a comprehensive guide to fish, products, retailers, and techniques to get the most out of fishkeeping. Practical Fishkeeping magazine covers the entire aquatic market from tropical freshwater and tropical marine fishkeeping throughout the year to pond and coldwater fish, reefkeeping and aquascaping coverage during the summer months. A Practical Fishkeeping magazine is ideal for newcomer's, experienced fishkeepers or those in the trade of fishkeeping.