Re: NANFA-- flatworms

Moontanman_at_aol.com
Mon, 22 Apr 2002 19:23:01 EDT

In a message dated 4/22/02 1:51:02 PM Eastern Daylight Time,
HOOVERJ_at_wes.army.mil writes:

<< At a spring in South Oklahoma, I used to collect Dugesia dorotocephala, a
beautiful jet black planarian (once thought to be the largest in North
America). It occurred on all submersed surfaces including open patches of
gravel. Large numbers co-existed with orangethroat darters Etheostoma
spectabile and I never saw a fish go after one. I would use dorotocephala
as a comparison species for the planaria we used in Introductory Zoology
labs (D. tigrinum) to demonstrate differences in photonegativity.
/- >>
What would be the largest flat worm in North America? Does anyone know?

Moon
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