Re: NANFA-- bryozoans
Wed, 23 Aug 2000 19:19:30 EDT

In a message dated 8/22/00 9:31:09 PM Eastern Daylight Time, writes:

<< The ones I am finding here are very hard and except for the covering of
polyps is completely clear. Even the small ones are hard and difficult to
remove from their substrate. Also exposure to the sun seems to make for more
robust and spherical growth. I don't see any sign of algae growing in the
mass but in the aquarium snails love to eat the polyps off the surface of
clear jelly. >>

That's odd; your description of the brain-coral-looking bryozoans seems to
differ from the ones I have seen. Mine look light grayish in color and not
clear. Their overall shape was more hemispherical than spherical. I haven't
seen any robust specimens growing in the sun, but then again this is a
temporary pool with lots of shade trees along its side. There are unshaded
areas, but I didn't really see any bryozoans in those areas. I didn't notice
any polyps, but given the fact that the specimen was somewhat ruined by
handling it could've still had some and I just didn't see any. The bryozoans
that were exposed to sunlight had a greenish tinge her and there, while still
retaining their overall light gray coloring. I'm thinking that either we have
different species that have a basically similar appearance, or they are the
same species growing differently under different conditions.

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