YOUR EVERYDAY FIELD GUIDE

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163 guides · Page 17 of 28
Close-up of orange goldfish swimming in a dimly lit aquarium with rocky background.

Fishes / Habitat

Lionhead Goldfish: All Wen, No Dorsal Fin

The lionhead is a Chinese fancy goldfish variety, and the older of the two closely related wen-headed breeds that also includes the Japanese ranchu. It is distinguished from the ranchu by a flatter ba

2 min read

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

Fishes / Habitat

Basic Types of Aquarium Filtration Systems Explained

Walking into an aquarium shop and facing a wall of filters, canister, hang on back, sponge, undergravel, can be genuinely confusing for a first time buyer. The good news is that nearly every filter on

4 min read

Vibrant purple sea anemone swaying underwater in a colorful coral reef.

Fishes / Habitat

Coral Lighting: How Changes in Lighting Affect Corals

Lighting is the single most important piece of equipment in a reef tank, and it is also the one most likely to cause visible harm if changed carelessly. Corals adapt to a given light source over weeks

3 min read

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

Fishes / Habitat

Black Moor Goldfish: Velvet Black With Bulging Eyes

The black moor is a telescope-eyed goldfish variety with a deep, velvety black colour across its entire body, a striking contrast to the oranges and reds of most other fancy goldfish. It grows to arou

2 min read

A mesmerizing view of a school of fish swimming amidst lush aquatic plants in a freshwater aquarium.

Fishes / Habitat

Vacation Aquarium Care

A week or two away should not mean coming home to a tank in crisis, and with a little preparation an established aquarium can comfortably run itself while you travel, whether that is a family wedding

2 min read

Vibrant tropical fish and lush plants in an aquarium create a lively underwater scene.

Fishes / Habitat

Denison Barb: Kerala's Endangered Ornamental Star

The Denison barb, also widely sold as the roseline shark, is a torpedo-shaped fish with a bold red-and-black stripe running from nose to tail and yellow-black banding on the fork of the tail. It is en

2 min read