Richard D. Braley of the University of New South Wales School of Zoology observed that spawning seems to coincide with incoming tides near the second (full), third, and fourth (new) quarters of the moon phase.
giant | Giant's Causeway | Green Giant | Giant | André the Giant | Giant Eagle | giant (mythology) | Mega Shark Versus Giant Octopus | Jerusalem The Emanation of the Giant Albion | Giant Silva | giant panda | Giant (mythology) | Giant Food | Giant Drag | Giant Center | Giant-Carlisle | Andre the Giant Has a Posse | 1 Giant Leap | Young the Giant | Northern Giant Petrel | men's giant slalom | James and the Giant Peach | Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack | Giant Sand | Giant-Landover | Giant Baba | Gas giant | gas giant | Cardiff Giant | The Iron Giant |