YOUR EVERYDAY FIELD GUIDE
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Fishes / Health
Velvet disease earns its name from the fine, dusty coating it leaves across a fish's body, somewhere between gold and rust in colour, that genuinely does look like the fish has been dipped in velvet p
2 min read
Fishes / Health
Temperature is one of the simplest things to get right for a betta, and also one of the most consequential. Get it wrong even by a few degrees, sustained over time, and nearly every other part of bett
3 min read
Fishes / Health
Most of what is written online about koi and winter assumes a climate with genuine freezing temperatures, ice covered ponds, and fish going dormant for months at a time. For the great majority of Indi
3 min read
Fishes / Health
It sounds paradoxical: a water change, the single most recommended piece of routine aquarium maintenance, can under the wrong circumstances genuinely harm or kill fish. Understanding why turns this fr
3 min read
Fishes / Health
Hyposalinity means deliberately lowering the salinity of a treatment tank to a level that marine parasites like Cryptocaryon irritans (marine ich) cannot survive, while the fish itself, being far more
2 min read
Fishes / Health
Flukes are flatworms, more precisely monogenean parasites, that attach to a fish's gills or skin using small hooks. They are extremely common in marine aquariums, particularly on wrasses, tangs and ot
2 min read
