Exceptionally high levels of PCBs have been measured in sea otters that died along the California coast of infectious diseases, suggesting that accumulating toxins compromised the mammals’ immune systems. Marine pollution seems to be why populations of the California subspecies of sea otter have not rebounded to the extent their relatives to the north have.

Read More→

Water covers about three fourth portion of earth, occurring in the oceans, seas, lakes, streams, ponds etc. All these water bodies contain wide variety of flora as well as fauna. One such animal that is most easily found in oceans is the Octopus. The Octopus is commonly known as the devil fish as its external appearance is terrific enough to frighten a human being and other animals. Octopus belongs to the phylum Mollusca and class Cephalopoda. The order to which it belongs is Octopoda and is completely marine in habitat.

Read More→