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370 guides · Page 10 of 62
Beautifully maintained freshwater aquarium filled with lush green plants and several angel fish swimming.

Fishes / Getting Started

Aquarium Thermometers: Which Type Actually Works Best

A thermometer is one of the cheapest pieces of aquarium equipment, and also one of the easiest to get wrong, since an inaccurate reading gives you false confidence right up until a heater malfunction

2 min read

A vibrant pink fish swims gracefully alongside lush aquatic plants in a freshwater aquarium.

Fishes / Health

How to Culture Your Own Infusoria at Home

Anyone who has tried breeding certain fish for the first time quickly runs into a frustrating problem: newly hatched fry are often too small to eat even the tiniest commercial fry food, let alone baby

4 min read

School of fish swimming gracefully in a large aquarium, showcasing aquatic life.

Fishes / Habitat

Cherry Barb: A Gentle, Underrated Community Fish

The cherry barb, Puntius titteya, stands in useful contrast to its more boisterous barb relatives, being one of the calmest, least nippy barbs in the hobby. Males develop a deep cherry-red body colour

2 min read

A vividly colorful coral reef ecosystem showcasing diverse marine life.

Fishes / Health

What a Genuinely Thriving Marine Aquarium Looks Like

Most advice in this series, understandably, focuses on spotting problems. It's worth stepping back and describing the opposite: what a healthy, well-run marine tank actually looks like day to day, sin

2 min read

Close-up of a blue gourami fish swimming peacefully in a lush aquarium setting.

Fishes / Habitat

Pearl Gourami: A Fish Dusted in Frost

The pearl gourami carries a fine, lace-like pattern of white spots across a silvery brown body, giving it an appearance somewhere between mother-of-pearl and frost. A dark horizontal stripe runs from

2 min read

A vivid goldfish gracefully swimming in a dark aquarium, surrounded by natural pebbles.

Fishes / Habitat

Oranda Goldfish: The One With the Crown

The oranda is instantly recognisable by its wen, a raspberry-like growth of fleshy tissue that covers the head and, in well-developed specimens, gives the fish a crowned appearance. It shares its egg-

2 min read