"What we are trying to do is count and see how many survived on the way to the ocean," said UC San Diego biologist Mariska Obedzinski. Obedzinski is a biologist with the UC San Diego and California Sea Grant,
It's a battle to save the smelt. They are one year old Coho salmon, almost all of them from state hatcheries, in a race this year against a drought that threatens to dry out their streams and landlock them.
"They cannot access the ocean. And so if they can't get out they are going to die. Then we lose that year of fish," said Obedzinski.