Its a common word used for large areas of ocean water of anomalous temperature. https://en.wikipedia.org/wiki/The_Blob_(Pacific_Ocean) https://en.wikipedia.org

Its a common word used for large areas of ocean water of anomalous temperature. https://en.wikipedia.org/wiki/The_Blob_(Pacific_Ocean) https://en.wikipedia.org/wiki/The_Blob_(Pacific_Ocean) https://en.wikipedia.org/wiki/Cold_blob https://en.wikipedia.org/wiki/Cold_blob Blob is perfectly good word, and much more precise in this case than 'mass'.