He Ika Nui has the same tune as "Slippery Fish". 1.Learn the waiata. 2. Ask the question He aha tēnei? What is this? 3. Teach the reply. He (a/some) (noun) (adjective). A fish big. (He ika nui). An Eel black. (He tuna pango). Here are some other follow up activities.