This chapter deals with the total luminescent fauna of planktonic hydrozoa
and scyphozoa, emission maxima in observed species of planktonic hydrozoa and
scyphozoa, the description of luminescent marine species of planktonic hydrozoa and
scyphozoa and their mechanism of bioluminescence.
Keywords: Emission maxima, Luminescent hydrozoan medusae, Luminescent scyphozoan medusae, Luminescent siphonophores.
