Date post: | 03-Aug-2015 |
Category: |
Education |
Upload: | lyndapietri |
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Troot in the shed
spawning• Spawning is when the
mummy fish flaps her tail to make a hole in the gravel to lay her eggs after she's laid her eggs she covers the hole up with the gravel she dug up. Then swims away. While she's doing this the male does nothing.
redd
• Redd is the nest that the mummys spawn in.
eggs(ova)
• The ova is the eggs that the mummy made during spawning
The black dot in the middle of the egg is the
eye
Alevins• The alevins are the baby
brown troot that have just hatched out like our ones. All alevins have a yolk atached to them. They feed on it for a couple of weeks
fry• The fry is when the
troot have finished feeding on their yolks.
parr• The parr is the next step
from the fry. • A trout of less than one
year old is called a parr.• They start getting scales
that look like finger prints.
Adults
• They now have to make a decision to ethier be a smolt or a brown trout and stay in the burns , lochs and rivers.
Smolts
• Smolts are brown trout's that are getting ready to go into the sea.
• Young trout up to 1-3 years 5-7inches long will go through some physiological changes which is to be able to cope with salt water and change to a silver colour.
P6’s troot
• Our eggs have turned into alevins and we check up on them every day. They are all happy and swimming around.