(Building) a trademark name for plasterboard or drywall, composed of gypsum enclosed by heavy sheets of paper and used for constructing interior walls and ceilings. (ËÊitËrÉk) Trademark. a brand name for a plasterboard of gypsum between paper.
If we go by the official list of dangerous sharks (e.g. from the International Shark Attack File ISAF, an institution which analyzes and collects reports on shark attacks) the white shark (Carcharodon carcharias) ranks first, followed by the tiger shark (Galeocerdo cuvier) and the bull shark (Carcharhinus leucas).
The black tip reef shark is also known as the blacktip reef shark, black-tip reef shark, black finned shark, blacktip shark, black finned shark and Guliman (for a full list of names, click here to see the list on FishBase.lacktip reef sharks are not considered dangerous to humans, although they may bite if they interact with humans in shallow waters. According to the International Shark Attack File, there have been only 11 non-fatal, unprovoked attacks of black tip reef sharks on humans in the years 1580 - 2012.