Is this a true goby? It’s not when it’s a Shotsilk goby! Ptereleotris zebra must be one of the hobby’s most under-rated little fish. Also known as the Chinese zebra goby, this is a kind of dartfish ...

However, these fish are not easy to keep. They shouldn’t be mixed with rock-dwelling Lamprologines as they inhabit a different habitat in nature and are quite specialised. They are also aggressive ...

Newborn fish are mistaking tiny bits of trash for food. If they die, there’ll be fewer big fish—and that could rattle the food chain. marine-plastic-ocean-fish-microplasticThe naturally oily ...