Grunion until the next tide series high enough reaches them 10 or more days later. Grunion eggs can extend incubation and delay hatching if tides do not reach them for an additional four weeks after this initial hatching time. Most of the eggs will hatch in 10 days if provided with seawater and the agitation of the rising surf. The mechanical action of the waves is the environmental trigger for hatching. The rapidity of hatching, which occurs in less than one minute, indicates it is probably not an enzymatic function of a softening of the chorion as in some other fishes.
Creature of Havoc Creature of Havoc Creature of Havoc is a single-player roleplaying gamebook written by British game designer Steve Jackson (not to be confused with the US game designer of the same name), illustrated by Alan Langford and originally published in 1986 by Puffin Books. It was later republished by Wizard Books in 2002. It forms part of Jackson and Ian Livingstone's fictional "Fighting Fantasy" series, and is the last "Fighting Fantasy" gamebook written by Jackson. It is the 24th in the series in the original Puffin series () and 4th in the modern Wizard series (). There are two small additions