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 off...as 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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