text: Coelenterazine is widely found in marine organisms including:
  *radiolarians
  *ctenophores
  *cnidarians such as Aequorea victoria, Obelia geniculata and Renilla reniformis
  *squid such as Watasenia scintillans and Vampyroteuthis infernalis
  *shrimp such as Systellaspis debilis and Oplophorus gracilirostris
  *copepods such as Pleuromamma xiphias and Gaussia princeps
  *chaetognaths
  *fish including some Neoscopelidae and Myctophidae
  *echinoderms such as Amphiura filiformis
  The compound has also been isolated from organisms that are not luminescent, such as the Atlantic herring and several shrimp species including Pandalus borealis and Pandalus platyuros.