Agenda
1. Finish Ch. 18
2. Ch. 18 Mind Jogger
3. Ch. 18 Quiz on Wed 4/30
Grunion are small fish that know how to take advantage of California tides.When tides are the highest, they swim with each wave as far up the beach as possible and lay their eggs, as shown below. About two weeks later, when tides are again peaking, the hatched baby grunion are carried into the ocean as waves wash over the spawning area.
Questions
1. When would be a good time to catch grunion?
2. Why do you think grunion lay their eggs in an area that is temporarily out of reach of the tides?
3. Why do sand castles built on the beach get washed away?
1. Finish Ch. 18
2. Ch. 18 Mind Jogger
3. Ch. 18 Quiz on Wed 4/30
Grunion are small fish that know how to take advantage of California tides.When tides are the highest, they swim with each wave as far up the beach as possible and lay their eggs, as shown below. About two weeks later, when tides are again peaking, the hatched baby grunion are carried into the ocean as waves wash over the spawning area.
Questions
1. When would be a good time to catch grunion?
2. Why do you think grunion lay their eggs in an area that is temporarily out of reach of the tides?
3. Why do sand castles built on the beach get washed away?