(posted by CyberKat)
(...) I don't know why they always look supposedly like those in the long ago movie, "Close Encounters of the Third Kind".
Not always. Sometimes they look like this:
You can read about this alien that has invaded Florida here:
www.flmnh.ufl.edu...
alkingCatfish.html
...and it is an "alien species" as described in...
Executive Order 13112 Invasive Species
THE WHITE HOUSE
Office of the Press Secretary
For Immediate Release February 3, 1999
EXECUTIVE ORDER 13112 - INVASIVE SPECIES
By the authority vested in me as President by the Constitution and the laws of the United States of America, including the National Environmental
Policy Act of 1969, as amended (42 U.S.C. 4321 et seq.), Nonindigenous Aquatic Nuisance Prevention and Control Act of 1990, as amended (16 U.S.C. 4701
et seq.), Lacey Act, as amended (18 U.S.C. 42), Federal Plant Pest Act (7 U.S.C. 150aa et seq.), Federal Noxious Weed Act of 1974, as amended (7
U.S.C. 2801 et seq.), Endangered Species Act of 1973, as amended (16 U.S.C. 1531 et seq.), and other pertinent statutes, to prevent the introduction
of invasive species and provide for their control and to minimize the economic, ecological, and human health impacts that invasive species cause, it
is ordered as follows: Section 1. Definitions. (a)
"Alien species" means, with respect to a particular ecosystem, any species, including its
seeds, eggs, spores, or other biological material capable of propagating that species, that is not native to that ecosystem. (b) "Control" means, as
appropriate, eradicating, suppressing, reducing, or managing invasive species populations, preventing spread of invasive species from areas where they
are present, and taking steps such as restoration of native species and habitats to reduce the effects of invasive species and to prevent further
invasions. (c) "Ecosystem" means the complex of a community of organisms and its environment. (d) "Federal agency" means an executive department
or agency, but does not include independent establishments as defined by 5 U.S.C. 104. (e) "Introduction" means the intentional or unintentional
escape, release, dissemination, or placement of a species into an ecosystem as a result of human activity. (f) "Invasive species" means an alien
species whose introduction does or is likely to cause economic or environmental harm or harm to human health. (g) "Native species" means, with
respect to a particular ecosystem, a species that, other than as a result of an introduction, historically occurred or currently occurs in that
ecosystem. (h) "Species" means a group of organisms all of which have a high degree of physical and genetic similarity, generally interbreed only
among themselves, and show persistent differences from members of allied groups of organisms. (...)
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