abalones animalcommunities biology bioluminescence coralartobjects coralcommunities coralreefanimals coralreefbiology coralreefecology coralreefsandislands coralsinart diseases ecology exponat general identification juvenileliterature korallen kultur kunst lifesciences marineecology marineecosystemhealth marinelife marineplants nature nature/ecology reference salmon science socialaspects starfishes