Re: NANFA-- hydras, flatworms, etc.

Travis Haas (
Tue, 10 Jun 2003 21:23:49 -0500

Just as a side note - if you do an internet search for the Innes book,
be sure to type "Highlights" as one word. Nobody has it listed under
"Aquarium High Lights."

Travis Haas
Appleton, WI
"Two days of school left, then I'm headed straight for the creeks!"

"Hoover, Jan J ERDC-EL-MS" wrote:
> Dave wrote:
> >>>I was looking at Pennack this
> morning, and plopped a couple of the worms under a borrowed dissecting
> scope. I'm thinking they may be freshwater oligochaetes. They have what seem
> to be very faint eye spots, and I also noted that they seem to have "buds"
> near the tail that are perhaps fixing to bud many of these
> freshwater annelids apparently do.<<<
> Jan writes:
> Those are probably naids (Naididae). Many of them have eyespots and
> reproduce by forming chains of zooids. Most are harmless to fishes and
> invertebrates. They are abundant in the diatom-felt that covers submerged
> wood in blackwater streams.
> The older aquarium literature (< 1960) often contains information on hydras,
> flatworms, and segmented worms, probably because old-time hobbyists were
> more likely to collect their own fish food and encounter them. Two books
> (previously mentioned on this list) that cover these groups are: "Field
> Guide to Lower Aquarium Animals" by Edward T. Boardman (Cranbrook Institute
> of Science, 1939) and "Aquarium High Lights" by William T. Innes (Inness
> Publishing Company, 1951). The first views invertbrates as pets, the second
> as pests, but both contain a lot of good information and are available from
> used book dealers.
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