The great outdoors
- Thread starter Luis A M
- Start date
Very cool, I really enjoy the post
It reminds me of an article that talked about the spawning of black cap basslets.
The author said that the abult pairs where kept outside with only a shade cloth over the tanks, The hatchery was in puerto rico and the fish could stay outside all year, the writer said that the tempature and the PH values vaired greatly, but all the pairs spawned.
So it would be cool to try spawning and raising a "hard" fish in an outdoor tank.
Keep the updates coming
It reminds me of an article that talked about the spawning of black cap basslets.
The author said that the abult pairs where kept outside with only a shade cloth over the tanks, The hatchery was in puerto rico and the fish could stay outside all year, the writer said that the tempature and the PH values vaired greatly, but all the pairs spawned.
So it would be cool to try spawning and raising a "hard" fish in an outdoor tank.
Keep the updates coming
A greenhouse would be good idea becuase it would keep the rain from changing the salinity of the water. And it would greatly extend the summer, if your living in a cold climate.
My dad had a 30'x100' green that he used on his farm, and it gave you about 5 months of good weather, athough there were big tempature swings at night. but i was woundering if that might encourage the fish to spawn? I common trick used by freshwater fish breeders is to cuase a big tempature change and this cuases the fish to spawn. I also wounder if the nature light helps the fry hunt for the rots? And in one book it talked about Infusoria (microscopic aquatic protozoans) for marine fish and said that they should be cultured outside.
My dad had a 30'x100' green that he used on his farm, and it gave you about 5 months of good weather, athough there were big tempature swings at night. but i was woundering if that might encourage the fish to spawn? I common trick used by freshwater fish breeders is to cuase a big tempature change and this cuases the fish to spawn. I also wounder if the nature light helps the fry hunt for the rots? And in one book it talked about Infusoria (microscopic aquatic protozoans) for marine fish and said that they should be cultured outside.
Timothy McCandless
Member
Anderson,
Anderson,
Thank you, great articles
Timothy
Anderson,
Thank you, great articles
Timothy
"Umm fish?"
Premium Member
Check this link out. There's a large section on mesocosm systems and tables summarizing the pros and cons of mesocosms vs. other larval rearing techniques.
http://www.fao.org/DOCREP/003/W3732E/w3732e00.htm
http://www.fao.org/DOCREP/003/W3732E/w3732e00.htm
Luis, and all - great info! I was planning to start an outdoors rotifer vat later this spring, but may expand my plans now with all this new info.
Luis - what is the lowest nighttime temp you have recorded? Here in the midwest, it can still get pretty cold at night into late May. I guess a simple heater would prevent large drops overnight if needed.
Ken
Luis - what is the lowest nighttime temp you have recorded? Here in the midwest, it can still get pretty cold at night into late May. I guess a simple heater would prevent large drops overnight if needed.
Ken
Luis A M
Premium Member
I´m glad you guys found this simple approach so interesting and inspiring
The fish were lost because I did not place the cover net in time.The water had a heavy phyto bloom with it´s correspondent very high pH and I put again rots.They cleared the water completely and one morning all the fish became exposed and easy prey for the benteveos.
Now the temps are getting too low,so I quit until next Spring.This is now your turn to play outdoor aquaculture!
Some observations on these small "mesocosms"
Hydroids should not be introduced,as they will feed on artemia and larvae.
pH will skyrocket,but this shows little effects on the health of the fish.
Clownfish larvae hatched there showed good health,growth and colour,even if rot concentration was below standards.
It seems a good way to recycle used aquarium water.
Beware of local vermin!
Thanks for sharing!
The fish were lost because I did not place the cover net in time.The water had a heavy phyto bloom with it´s correspondent very high pH and I put again rots.They cleared the water completely and one morning all the fish became exposed and easy prey for the benteveos.
Now the temps are getting too low,so I quit until next Spring.This is now your turn to play outdoor aquaculture!
Some observations on these small "mesocosms"
Hydroids should not be introduced,as they will feed on artemia and larvae.
pH will skyrocket,but this shows little effects on the health of the fish.
Clownfish larvae hatched there showed good health,growth and colour,even if rot concentration was below standards.
It seems a good way to recycle used aquarium water.
Beware of local vermin!
Thanks for sharing!
Grunt
Premium Member
Thanks for the info Luis. So far I have room inside a shop building. I may or may not try your experiment. My problem is that I have a number of horses close to the shop building. I was worried they might kick up debris. Which they probably will. I think I'll stick to inside the building for now. Keep us updated if you reattempt this summer.
Cheers
Cheers
"Umm fish?"
Premium Member
Horse manure is a fuel for phyto, too.
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