There are lots of diferent spieces that live in the midnight zone. 

 

Species include: 

algae, anemones, anglerfish, arrow worm, cookie-cutter shark, copepods, crabs and other crustaceans, ctenophores, dinoflagellates, fangtooth, lanternfish (Myctophids), mussels, nudibranchs, some squid (like the vampire squid), segmented worms, siphonophores, swallower fish, tripod fish, tubeworms, pelican eel, umbrellamouth gulper, vampire squid, and viperfish.