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Questions tagged [aquaculture]

the farming of fish, crustaceans, molluscs, aquatic plants, algae, and other aquatic organisms.

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How to grow a Spirulina biofilm on a carbon/graphite cylindrical cathode

I am trying to grow a spirulina biofilm on my cathode for a fuel cell but it doesn't seem to be sticking to the cathode. I have a culture of spirulina and I've submerged a few cathodes in it to try ...
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8 views

Correlation between nitrogen excretion and fish diseases

I am curious whether if any fish disease will cause an increase or decrease a fish's nitrogen waste. If it increases, will this cause an increase in ammonia of the fish tank water?
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34 views

how origin of koi carp is different from goldfish

where did koi-carp originate? how are they different from goldfish? Wikipedia say that goldfish originated by genetic mutation but what about koi-carps?
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39 views

Why did S. serrata die?

We are interested to farm Scylla serrata which is a type of crab. We introduced the crab weighing 800 g into a environment with 22 ppt salinity with a pH of 8.2. The crab was feeding on around 12 g of ...
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1answer
99 views

Why do aquatic animals smell so bad? [closed]

Many have experienced the "fishy" smell prevalent with seafood, but why do aquatic animals smell so bad? Is it because of salt water?
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1answer
105 views

Why are some chemical dangerous to aquatic environment only?

Recently I was changing the thermal grease on my PC. I have noticed on the back of box, that the grease is not dangerous when ingested or when touched. But there was specifically stated, that is ...
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3answers
243 views

Would Bubling Oxygen Through “Dead Zones” Like A Fish-Tank Make Much Difference?

I am a dilettante when it comes to dead zones. I realize that they vary from fleeting algal blooms to continuous dead zones. For the continuous dead zones it would seem to me that adding a "bubbler" ...