YOUR EVERYDAY FIELD GUIDE

Fishes.

Discover the world on the other side of the glass.

A little help with…

Follow your curiosity.
370 guides · Page 21 of 62
Beautifully maintained freshwater aquarium filled with lush green plants and several angel fish swimming.

Fishes / Behaviour

How and Why You Should Seed a New Aquarium

Seeding is one of the most useful shortcuts in the fishkeeping hobby, and yet it is one of the least understood. Done correctly, it can take a new tank's cycling time from four to six weeks down to ju

3 min read

Close-up of a vibrant goldfish swimming gracefully in a clear aquarium setting.

Fishes / Health

Common Goldfish Diseases: A Quick Field Guide

Goldfish are hardy fish overall, but their popularity as a first pet, often in conditions that are not really suited to them, means they show up with a fairly predictable set of health problems more o

2 min read

Colorful coral reef with diverse marine life in an aquarium setting.

Fishes / Breeds

Soft Corals for the Indian Reef Tank

Soft corals are usually where new reef keepers start, and for good reason. Most tolerate a wider swing in water parameters than stony corals, many propagate themselves without much effort, and the mov

10 min read

Vibrant blue mustard betta fish swimming gracefully in an aquarium.

Fishes / Health

How Long Do Betta Fish Live?

Betta lifespan is one of the more variable figures in the hobby, and the range you see quoted online, anywhere from two to ten years, reflects a real gap between how bettas are typically kept and how

2 min read