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2018/01/21

Coho Salmon eggs....

We are members of the Cowlitz Game and Anglers club. Through this club, we have received and I setup a salmon hatching bucket in our creek. On Tuesday, I'll get 5000 coho salmon eggs. Looks like it will take 4+ weeks for the salmon to hatch and get large enough to swim away.

Some info on Coho Salmon:

The eggs hatch in the late winter or early spring after six to seven weeks in the redd. Once hatched, they remain mostly immobile in the redd during the alevin life stage, which lasts for 6–7 weeks. Alevin no longer have the protective egg shell, or chorion, and rely on their yolk sacs for nourishment during growth. The alevin life stage is very sensitive to aquatic and sedimental contaminants. When the yolk sac is completely resorbed, the alevin leaves the redd. Young coho spend one to two years in their freshwater natal streams, often spending the first winter in off-channel sloughs, before transforming to the smolt stage. Smolts are generally 100–150 mm (3.9–5.9 in) and as their parr marks fade and the adult's characteristic silver scales start to dominate. Smolts migrate to the ocean from late March through July. Some fish leave fresh water in the spring, spend summer in brackish estuarine ponds, and then return to fresh water in the fall. Coho salmon live in salt water for one to three years before returning to spawn. Some precocious males, known as "jacks", return as two-year-old spawners. Spawning males develop kypes, which are strongly hooked snouts and large teeth.

Update: some other cannot do buckets this year due to the place where they were putting them are too high, so I'll be setting up another bucket today.

The insides of the bucket:



The 2 buckets in the creek:

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