Tangaroa
Tangaroa is the Polynesian god of the ocean who breathes only once in every 24 hours, causing tidal motion. In Tahuata (the Marquesas Islands) he is known as Tanaoa, the god of primeval darkness. In fine weather, Tangaroa turns into a green lizard.
John and Caitlin Matthews, The Element Encyclopaedia of Magical Creatures, 2013, Tangaroa, p 453
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