Tertiary consumer: Larger fish

New Zealand’s streams, lakes, rivers and wetlands support around 54 species of native fish including galaxiids, bullies, eels, lamprey, black flounder, torrentfish, smelt and mullet –...

New Zealand’s native freshwater fish are unique – 51 of the 54 species are only found here in New Zealand. However, when asked to name a...

Very tiny phytoplankton cells (a type of microscopic algae) can produce potent toxins. Although the toxin produced by one phytoplankton cell is pretty minimal, it can...