Connie "the Crusher" Black Carp
Sally "the Suffocater" Common Salvinia
Zeke "the Prowler" Zebra Mussel
Cindy "the Choker" Water Hyacinth
Nick "the Gnasher" Nutria
Charlie "the Chomper" Channeled Apple Snail
Mel "the Punk" Paperbark Tree
Lucy "the Lips" Bighead Carp
Sammy "the Spoiler" Spotted Jellyfish
Drusilla "the Strangler" Hydrilla

Hydrilla

SGNIS Images of Hydrilla

http://www.dpiw.tas.gov.au/inter.nsf/WebPages/SLEN-5NKA8S?open

http://www.massnrc.org/pests/pestFAQsheets/hydrilla.html

http://en.wikipedia.org/wiki/Hydrilla

http://aquat1.ifas.ufl.edu/hyvepic.html

http://www.invasive.org/browse/subject.cfm?sub=3028

http://plants.ifas.ufl.edu/hydver11.jpg

http://www.hear.org/pier/species/hydrilla_verticillata.htm