- 4 March 2014 7. What are the little black worms that get into houses at this time of year? They are about 5 to 8 cms long and usually come in at night. They crawl around for a while (sometimes up the wall) and then die. If disturbed, they curl into a tight spiral.
These are: Major regions of coral reef development. (1) The Indo-Pacific-Includes most of the Indian Ocean (excluding the Red Sea), and the western Pacific. (2) The Wider Caribbean (tropical western Atlantic) - Includes Florida, The Bahamas, Caribbean Sea proper, and coastal waters off northeastern S. America.
Shallow water coral reefs straddle the equator worldwide. Corals are found across the worldâs ocean, in both shallow and deep water, but reef-building corals are only found in shallow tropical and subtropical waters.n the so-called true stony corals, which compose most tropical reefs, each polyp sits in a cup made of calcium carbonate. Stony corals are the most important reef builders, but organpipe corals, precious red corals, and blue corals also have stony skeletons.