Paddlefish

  • We are currently upgrading MFK. thanks! -neo
I have mailt to the russian department and a German researcher the last one said that i have to go fishing in siberia if i want them
 
I did a fast look for you and i have seen that bigguapote from this forum had some Siniperca chuatsi
 
hmm interesting.... If you do there a sp. of true sturgeon i want, i cant remember the name... the black with yellow edgings one... that only gets 60cm-1.5m.... :drool: now they are a serious cold water sp.

I think this sp. it certainly looks right from memory...
russian-sturgeon-1.jpg

russian-sturgeon-1.jpg
 
Hello Gordon

Thanks and yes i do first my homework and look of i can give the fish what it needs

I feed them Pellets that i special order for them its a mix 1 part sinks to the bottem slowly ,1 part floats and sinks after some time slowly The last part floats and wil not sink to the bottem

How often i feed them during the months april until september 4 or 5 times a week and dan only when during the twilight or when it is dark than with light on than they wil go crazy whit feeding
the other months 2 or 3 times a month depending of the temp

I bought them 30 cm large and yes i place them in the big basin wen i feed them i always observe there feeding if they need more or not
When the get a feeding kick they wil turn on ther side and take the floating food

During the day they are closer to the bottem and when its around twilight or dark they wil come to the surfes to feed

I can see to the bottem it is cristal clear i can even see the baby koi swim

But i wil talk about the filter tomorrow

Yes A Sturio is rare but also not for smal basin He grow 2 feet a year and they are real nice to see

A. ruthenus and A. gueldenstaedtii are nice and easy to keep in a smal basin

i am bilding a new basin and this one wil be 3 x biger then i have now
the filter wil be around 2200 galons for this basin
I want to keep here Elopicthys Bambusa if i can get them
Kind regards Jeroen


What shape vat/basin do you raise or did you raise the young in? how deep and how round? until what size, when do you move them outside? and you say you move them to feed? as adults you still do this? how do you move them?

thanks, very interesting!
 
I did a fast look for you and i have seen that bigguapote from this forum had some Siniperca chuatsi

oh yeah they easy to come by outside eu.... but invasive sp. and all that..... dumb laws! like i want to import to release..... tut!
 
What shape vat/basin do you raise or did you raise the young in? how deep and how round? until what size, when do you move them outside? and you say you move them to feed? as adults you still do this? how do you move them?

thanks, very interesting!

the paddelfish basin this is 23 feet (L) x 13 feet (B)x 6 feet (D) not round and yes round is better and i never move them the are still in the same basin from the day i buy them
 
thats what i thought sorry must be the language barrier i read that as you moved them to feed them and thought it seemed odd... How any do you keep in this size basin?
 
Here's some more information on captive rearing of paddlefish from the NANFA site, written by Christoper Scharpf:

"Hatcheries spawn Paddlefish with the use of hormones. Eggs are kept in plastic jars, where they hatch 5-7 days later when kept at 18C (65F). The larvae are placed into earthen rearing ponds as soon as their yolk sacs are absorbed. These ponds are prepared 10-14 days in advance. First, they are drained, cleaned and refilled to eliminate predacious aquatic insect populations and aquatic vegetation. (Larval Paddlefish are poor swimmers and easily get entangled in filamentous algae.) Organic fertilizers such as hay, alfalfa meal, rice and wheat bran, brewer's yeast, and cow manure are used to culture zooplankton. Stocking usually takes place on cloudy days or after sundown to prevent "sunlight shock."

"Paddlefish can also be reared indoors in environmentally controlled tanks or troughs supplied initially with pond-caught daphnia, then gradually replaced by a commercially prepared diet. Since the Paddlefish are kept in tanks that are usually smaller than outdoor ponds, overcrowding can be a problem. Overcrowded juvenile Paddlefish will bite each other's tails, or exhibit a behavior called billing, in which they swim with their paddles out of the water. The function of the biting is unknown, but billing appears to be the Paddlefish's effort to deflect oxygen-rich water from the surface into its mouth. Billing Paddlefish have stopped feeding and will soon die. When Paddlefish are moved to more spacious quarters, billing and tailbiting cease."

I really can't add anything to the topic but I am loving this thread. As a keeper/fan of North American natives this is fascinating to me. I want to hear more about the captive reproduction of these fish. Any information on that? Thanks :)
 
And here's some interesting information on feeding from the same site and author:

"Even though they're primarily plankton feeders in the wild, captive Paddlefish readily adapt to commercially prepared foods. At the Tennessee Aquarium, Paddlefish are fond of pellets and will flip upside down to take them from the surface. They're also fond of live brine shrimp, which are dripped into the tank through an air hose leading from a bucket placed above the water's surface. The Paddlefish immediately sense when the brine shrimp begin hitting the water and commence their open-mouthed, filter-feeding behavior. Aquarists at the Mississippi Museum of Natural Science allow Paddlefish to filter feed by turning off the tank's filtration system and dropping a "plankton cocktail" into the water a couple of times every day. Aquarists at Cleveland Metroparks Zoo feed used to sink frozen blocks of brine shrimp, flake food, chopped smelt, and shrimp into their 60,000-gallon Wolf Wilderness exhibit, but the Paddlefish could not compete with more aggressive feeders and began to perish. Eventually aquarists hit upon the idea of training their Paddlefish to accept smelt dangled from a pole in much the same way sharks are fed in ocean exhibits. They're pole-fed about three times a week and hand-fed by divers when cleaning the exhibit."
 
MonsterFishKeepers.com