Some causes of tinnitus are less common, including: 1  Meniere's disease. 2  TMJ disorders. 3  Head injuries or neck injuries.  Acoustic neuroma.
Jumping spiders do sometimes bite, but their venom is not considered to be dangerous (unless youâre allergic to spider bites). They are sometimes mistaken for black widow spiders, but they are far less dangerous. Jumping spiders donât hunt using webs, but they do build a web-like nest called a retreat.
Jurgen Otto, Flickr // CC BY-SA 2.0. Peacock spiders (genus Maratus) cram a whole lot of swagger into a teeny-tiny package. The biggest Maratus species can reach 0.3 inchesâabout the size of a pencil eraser. Like almost all spiders, peacock spiders are venomous.But that doesnât mean theyâre dangerous to humans: Their little jaws are so tiny that they couldnât even puncture our skin. Weâre safe, but crickets and other spiders are not. Like all jumping spiders, the peacock spiders donât build webs.They stalk their prey like lions. When the time comes, they pounce, and can take down prey three or four times their size.eâre safe, but crickets and other spiders are not. Like all jumping spiders, the peacock spiders donât build webs. They stalk their prey like lions. When the time comes, they pounce, and can take down prey three or four times their size.