5001

• UCREFRP Catalog Number: 5001
• Author: Nicola, S. J.
• Title: Fisheries Problems Associated With the Development of the Lower Colorado River.
• USFW Year: 1981.
• USFW - Doc Type: \
• Copyright Material: YES

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TABLE 2. (Contd)
•
1~Limited to species found in mainstream channel and backwater lakes
and marshes.
?~N = native; I = introduced, includes only those species known to be
successfully established; () = year of introduction.
3~Endangered: listed as being in danger of extinction by U. S. Fish and
Wildlife Service or the California Department of Fish and Game.
Extirpated: no longer found below Hoover Dam, but known or believed
to exist elsewhere.