| Crowding
and sorting |
Adult salmon waiting in the Issaquah holding pond prior
to spawning. |
Issaquah Hatchery adult holding ponds. Crew operating fish crowder. |
Crowding adult salmon to sort them for condition to spawn. |
Preparing to sort adult salmon for spawning. |
Sorting fish for species, sex, and ripeness for spawning. |
Male coho salmon in spawning colors. |
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| Egg
care and handling |
Checking which size egg-picking disc to use for picking out the bad eggs in this
basket. Next step is the automatic egg picker. |
Pouring eggs into hopper of the egg picking machine to select fertile eggs. |
Cleaning the dead eggs from the live eggs, using a egg picking machine. |
Checking accuracy of the egg picker. White eggs are bad, orange eggs are good. |
Mixing sperm into unfertilized salmon eggs. |
Mixing the salmon eggs and sperm. |
Eggs and milt (sperm). |
Pouring salmon eggs into a pre-measured can to put the correct amount into the
incubator trays. |
Pouring chinook Salmon eggs into incubator tray. |
Adding iodine to disinfect salmon eggs prior to incubation. |
Closing incubation lid on egg tray. |
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| Hatching
Stages: From eggs to fry |
Eggs in gravel |
Eyed Salmon Eggs |
Alevin, or sac fry Salmon |
Coho Fry |
