YOUR EVERYDAY FIELD GUIDE

Discover the world on the other side of the glass.

Fishes / Habitat

Reef Tank Temperatures: How High Is Too High?

Temperature is arguably the single most dangerous parameter in a reef tank, not because target ranges are narrow, but because equipment failure can push temperature to a lethal level faster than almos

3 min read

Fishes / Habitat

Gold Barb: A Sunny Colour Variant With Real History

The gold barb, Barbodes semifasciolatus, is most commonly seen in the trade in its selectively bred golden-yellow form, though the wild colour form is a duller olive green with faint dark bars. It com

2 min read

Fishes / Habitat

Getting Water Changes Right, Step by Step

Water changes are the single most effective routine task in the entire hobby, more valuable to long term fish health than any piece of equipment, and yet they are also the task most new keepers get sl

3 min read

Fishes / Habitat

Using Macroalgae in a Saltwater Aquarium Refugium

True floating plants, the kind familiar from freshwater tanks, are not part of the saltwater hobby, since ordinary aquatic plants cannot survive in full strength seawater. The closest and most useful

3 min read

Fishes / Habitat

Pepper Cory: A Speckled, Cool-Tolerant Bottom Dweller

The pepper cory carries a fine speckling of dark spots over an olive-grey body, giving it a peppered appearance that sets it apart from the plainer bronze cory. It comes from South America and reaches

2 min read

Fishes / Habitat

Lemon Tetra: Subtle Yellow With a Sharp Red Eye

The lemon tetra, Hyphessobrycon pulchripinnis, carries a pale lemon-yellow wash across its body and fins, most vivid along the front edge of the dorsal and anal fins, paired with a striking red upper

2 min read