Giovanni Carlo

Passionate about fish keeping since elementary school in the 1980s, Giovanni Carlo has dedicated countless hours to collecting and breeding a diverse array of ornamental freshwater fish. From vibrant guppies and majestic koi to striking bettas and classic goldfish, he continues to explore the fascinating world of aquatics, sharing knowledge and enthusiasm with fellow fish enthusiasts.

metronidazole for fish

Metronidazole for Fish: Dosage, Uses, and Safety Guide

Quick Answer Metronidazole treats internal flagellate parasites (Hexamita/Spironucleus, the cause of hole-in-the-head disease and bloat) and some anaerobic bacterial infections in fish. It doesn’t treat fungus, external parasites, worms, or external bacterial issues like fin rot. Medicated food works best if the fish is still eating (Hexamita lives in the gut); a water bath treatment

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10 Fun Facts About Koi Fish You Probably Didn’t Know

Quick Answer Koi were originally bred as food fish in China over 2,000 years ago before Japanese breeders turned them ornamental in the 1800s. They can recognize individual people, grow up to 3 feet long, live for decades (one famous fish reportedly for over two centuries), and a single show-quality specimen has sold for roughly

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transporting koi

how to transport koi fish The Ultimate Guide to Transporting Koi Fish Without Harming

Quick Answer Fast koi for 24-48 hours before transport to reduce waste buildup, then use a properly sized, double-bagged transport bag with room for oxygen. Keep the water temperature stable and the bag as still as possible, minimize light and stress with a cover, and re-acclimate gradually over about 30 minutes at the destination —

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