Villagers frequently see dugong fish (dugong dugong), bumphead parrotfish, aeobatus narinari, blacktip shark, blue whale (triaenodon obesus), and estuary crocodile.
From the 37 kinds birds which have been identifed, 18 of them are being protected.
There are 64 types of vegetations in the islands ranging from coastal plants up to mountainous plants (up to 467 meters above sea level). Some of these plants are mangrove (rhizophora sp., avicennia sp. bruguiera sp., sibberatuia so., ceriops sp.); thatch palm (nypa frutican), sagu (metroxylon sp.), pandanus, coastal casiarina tree (casuarina equisetifolia), ketapang tree (terminalia catapa), Xylocarpus granatum, and etc.
The National Marine Park is rich of animals. The types which have been identified are 200 coral reefs, 209 fishes, 196 molluscs, 5 reptiles, 3 water mamals, 37 birds, including 183 land animals.
The marine ecosystem of Cendrawasih bay is the habitat of estuary, mangrove and pelagic fish. Some of them are butterfly fish, angelfish, damselfish, parrotfish, rabbitfish, anemonefish, surgeonfish, triggerfish. Fish that have high economic values are lutjanida, serranida, carangina, scromberomorus sp., katauwonus sp., eythumnus sp., and chellinus undulatus ruppell.