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 type (Dungeons & Dragons) Creature type (Dungeons & Dragons) In the "Dungeons & Dragons" fantasy role-playing game, creature types are rough categories of creatures which determine the way game mechanics affect the creature. In the 3rd edition and related games, there are between thirteen and seventeen creature types. Creature type is determined by the designer of a monster, based upon its nature or physical attributes. The choice of type is important, as all creatures which have a given type will share certain characteristics (with some exceptions). In 3rd and 3.5 editions, type determines features such as hit dice, base attack bonus, saving throws, and