YOUR EVERYDAY FIELD GUIDE

Fishes.

Discover the world on the other side of the glass.

Fishes / Getting Started

Should You Choose a Hex Tank for Saltwater Fish?

Hexagonal tanks have a certain visual appeal, a break from the standard rectangular box, and they are often marketed as a striking centrepiece for a room. For saltwater fishkeeping specifically, they

3 min read

Fishes / Health

How to Tell Betta Fish Gender: Identifying Male vs. Female

Sexing a betta is usually straightforward in a healthy adult, since captive breeding for elaborate finnage and colour has made males and females look considerably more different from each other than t

3 min read

Fishes / Getting Started

What to Use as a Fish Tank Stand (and What to Avoid)

Choosing a stand is not a decorative afterthought. Given how much a filled aquarium weighs, a stand that is not genuinely built for the job is a real safety risk, not just an aesthetic compromise.

2 min read

Fishes / Habitat

Figure Eight Puffer: A Freshwater Fish Only While Young

The figure eight puffer carries a yellow-green body marked with dark, looping patterns that resemble the number eight repeated across its back, a genuinely attractive and unusual pattern among aquariu

2 min read

Fishes / Health

Coral Eating Flatworms in Reef Tanks: Spotting and Treating AEFW

Acropora eating flatworms, often shortened to AEFW, are a reef keeper's specific nightmare. Unlike the fish parasites covered elsewhere in this series, AEFW target coral directly, particularly Acropor

2 min read

Fishes / Habitat

Blood Parrot Cichlid: A Hybrid That Divides Opinion

The blood parrot cichlid is a man-made hybrid, not a naturally occurring species, created by crossing several different Central American cichlid species. Its most distinctive and controversial feature

2 min read