It's the sea, you cannot warm up the sea... However, if they keep them in warmer water indoors or in a controlled environment, they need huge tanks to keep so many fingerlings alive because they grow so quickly...
They would need to be transferred to the sea eventually, and given they did this months ago, you would think the tuna would be used to it by now... But I suppose the tuna in it's normal habitat would migrate to warmer waters if they weren't confined to the sea cages... Another thing they would have to think about...
I hope they get an early spawn this December, and with all the things CSS have learnt from the past, let's hope the transferral to sea cages next year is earlier and gives the tuna time to grow big enough to survive the colder temperatures for the winter months...
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