FACTS:

Petitioner  was  the  tenant  over  a  fishpond.    During  his  tenancy,  he constructed a nipa hut and took care of the sasahan.  This parcel of land was located between the fishpond and Meycauyan river.  After the death of the original landlord, heirs made petitioner sign an agreement surrendering the  fishpond  for  consideration.    when  he  was  being  asked  to  leave consequently, he refused to do so.
 

HELD:

Failure to register the acquired alluvial deposit subjects it to ownership by acquisitive prescription.