Some enemies are algae and barnacles.
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its water
the toe
tube sponges come in many natural colors such as brown, dull green and yes, yellow. secondly tube sponges reproduce by spliting their selves in half. so i guess their only family is the one sponge.
No.
Yes they are.
That Flounder guy
not necessarily .
zooplankton
porifera
a type of sponge that is purple
345434
They eat bacteria, plankton and detritus.
Many coral reef organisms eat yellow tube sponges like angelfishes, filefishes, cowfishes and spadefish. Also the Hawksbill sea turtle.