NEW YORK, April 13 —The Murray crayfish, the world’s second largest, is sensitive to changes in habitat.

The crayfish, an Australian native that populates the rivers and small mountain streams in the country.

Crayfish is sensitive to its habitat and has been declared threatened throughout Australia due to loss of vegetation and serious floods.

However, researchers think that populations can come back from current declines by replanting the river banks and repairing the stream beds. — The New York Times

The Murray crayfish, seen in this screenshot taken from the New York Times’ video, has been declared threatened throughout Australia.