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Re: NFC: comments/new developments in FW sponge handling
Here's mine - I am not surprised at all with the behavior of the pleco.
Most people think of plecos as algae eaters, when in fact, pleco eating
habits run the gamut from strictly herbivorous to almost strictly
carnivorous (vampire pleco - large canine teeth). In order to tell
which, you have to look at the teeth. Also, depending on nutrition,
plecos that would otherwise eat algae can develop a taste for more meaty
foods.
Finally, fish eggs are thought of as a nice tasty treat by many
organisms, including catfish, snails, minnows, crayfish, other members
of the same species, etc. So one has to be somewhat careful concerning
organisms for the breeding tank. Most species all breed at the same
time to overwhelm the predators and ensure that even if some broods are
lost, there will be enough offspring that survive to ensure continuity
of the species. Doesn't work the same in an aquarium environment, where
losses can exceed 100% (when you lose the parents in addition to the
eggs/fry)
UPDATE ON SPONGES
On another note, there have been some articles in the aquarium mags
recently on marine sponges. Seems the critical issue with sponges is to
never take them out of the water, as to do so causes them to "lose their
prime" (remember they pump water to obtain food - thus the plumbing
terminology) and become air-bound, which kills them, after they release
a bunch of toxins in the process of dying. Essentially, sponges cannot
be exposed to air or placed in a container that is partially full as the
sloshing will do significant damage.
I would hazard a guess that collecting a freshwater sponge and keeping
it under the water, placing it into one of the Kordon breathable bags
with no airspace would allow transport of the sponge without excessive
distress or mortality. I plan to try this approach this spring/summer
and report back. Time for some more cutting edge reseach !!!
>From owner-nfc at actwin_com Sun Jan 24 20:56:55 1999
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>No comments about the pleco and the sunnies I sent in today?
>
>
> Moon
>
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