Fish

Unsure where to start with your new tropical aquarium? Here’s our guide to everything you need to get started.

Due to advances in the marine hobby, it is now possible to keep fish and even corals in small tanks like the Fluval Sea Evo and other tanks of similar volume.

Cichlids from Africa’s Rift Valley are adapted to hard, alkaline water with a high pH in the wild, and should be given similar water conditions in the aquarium.

Water changes are really important for fish tanks. They lower pollutant levels and can add buffers, freshening up the tank and aiding fish growth.

Marine fish have evolved to take advantage of all the different types of food that are available in the ocean, so their foods need to be diverse.

Fish stocking levels rely on several factors, but if your aquarium is more than 6 weeks old and has a mature filter, here are our recommendations.

There are several tempting non-fishy animal species aimed at the sale and keeping in fish tanks. But are they suitable to be mixed with fish?

Parrotfish are a type of cichlid that is popular in tropical freshwater aquariums. Not to be confused with the saltwater parrotfish.

Set up a tropical tank and sooner or later you’ll want some cleaners. The tank light will cause the glass and decor to go green and detritus will start to build up in the gravel.