hermit crab diet wiki
i examine a coral head and i can see swollenpolyps filled with big blobs that look like eggs. they are actually called gamete bundles.i get ready with my camera and wait. the big moment is definitely coming soon! there! the colony has released its bundles!since most corals are hermaphroditic, the bundles contain both eggs and sperm. theyfloat up into the water and separate. this
hermit crab diet wiki, allows eggs and sperm from different coralcolonies to mix together and cross-fertilize in the water column. they all release at the same time in orderto overwhelm predators that come in to feed on this nutritious food source.
soon the water is filled with coral spawn! not all corals are hermaphroditic though.some are gonochoric, meaning that they have separate male and female colonies. the male colonies are easy to spot. when theyrelease their sperm, it looks like they are smoldering.
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