There is a fir-tree like concentration of spicules running through the body wall with the branches either having rounded or knobbly ends. [ 3 ] The form of the sponge varies according to the location in which it is found.
There is a fir-tree like concentration of spicules running through the body wall with the branches either having rounded or knobbly ends. [ 3 ] The form of the sponge varies according to the location in which it is found.