INTERESTING FACTS ABOUT OUR FRESHWATER FISH IN PLAIN SIGHT Pātiki mohoao (Black flounder) can camouflage by changing colour to match its surroundings.LINKS:Science learning hubPātiki mohoao PDFTaonga Species_Patiki LOW RES.pdf CLIMBING ELVERS Juvenile eels are known as elvers and can climb up verticle walls provided the surface is rough and wet.LINKS:Elvers climbing - teara.govt.nzVideo: climbing Eels and other fishScience learning hub SALEFIN MOLLY Found in the thermal waters of lake Taupo the Salefin Molly is the only tropical fish in New Zealand. These are females, the males have larger dorsal fins.LINKS:Teara website on Coarse fish Otoliths age fish Fish earbones are called Otoliths and can tell the age and other information about the fish by rigs or lines, a little like the rings on tree trunks.LINKS:NIWA -science website The fish highway LINK:The fish highway - Science learning hub