JASON, VIA EMAIL A: Jeremy replies: A pair of Nicaragua cichlids, Hypsophrys nicaraguensis, would be lovely in a hardwater tank of that size. They colour-up beautifully and have breeding potential too ...

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.

Two new species of tetra from the Astyanax genus have been discovered in Brazil. The new characins, which are members of the family Characidae, have been named Astyanax microschemos and Astyanax ...