Beautiful or broken?

DAMSELFISH” IS A common name used for a group of small, colourful marine fish that inhabit coral reefs around the world. It’s not a scientific term, but rather a way of grouping together similar-looki

MOST AQUARISTS START with a community aquarium. They let you keep a variety of species all in the same tank creating an active and attractive display. However, they have a reputation for being difficu

HYPANCISTRUS ARE POPULAR amongst aquarists because of their small size, relative ease of care and their striking patterns. Most fish of this genus are characterized by a dark base colour and light dot

Should you worry when your favourite beat is sold? asks Dani Morey

The part played by beauty in sexual selection

Simon Smith reflects on the recent news that mackerel stocks are in deep trouble, as yet another species is brought to the brink of collapse by greed and incompetent management by politicians