Estimated growth rates for young colonies range from two sixteenths to five sixteenths of an inch [4 - 8 mm] per year in length and about one sixteenth of an inch [1.5 mm] per year in diameter.
Rata - rata pertumbuhan koloni muda per tahun diperkirakan berkisar empat hingga delapan milimeter panjangnya dan sekitar satu setengah milimeter diameternya.