The story
Miss Lovell's first report (quote below) spelt the creature moka moka, but in her second it was moha moha (also below).
Etymology from Wiktionary, CC BY-SA 4.0.
moha moha
Today it means: A type of sea creature reported seen by a Miss Lovell and others at Sandy Cape in South-East Queensland, Australia, on 8 June 1890. She described it as some 30 feet long with a turtle-like neck extending from a rounded body some 8 feet across, and a long fish-like tail. Full definition →