Zooplankton need light to grow and thrive. A way to attract them is with sunlight or even the green magnet light.
Green light at night.
Algae.
You catch zooplankton by algae.
I think it can vary though many are pale or green. If you mean the Plankton from Spongebob Squarepants, he's green.
light, if its tendency to attract a proton is light.
phytoplankton zooplankton meroplankton holoplankton
The don't exactly "attract" the light; rather, if light falls on them, a larger percentage of the light will be absorbed.
You get light green.
Plankton can be plant or animal life - but the plant type of plankton is called phytoplankton, and some of those plants are in fact, green in color.See the 'Diatom' related link listed below for pictures of the green colored type of phytoplankton.
moths
with their claws.