The tendrils parasitic catfish, also known as toothpick fish, are a species of the catfish family of the catfish family, and are tropical freshwater fish. It is parasitic and can enter the gill lids of large fish to suck blood.
They use the barbs on their heads to fix their bodies in the gill caps of their hosts and then suck the host's blood, which makes toothpick fish known as "vampire fish".
Sometimes it slips into the urethra of humans or mammals, causing trauma. Because its head has an adsorption barb, only surgery can remove them and remove them.
Once in the human body, they will "swim" inward due to lack of oxygen, which is to find an exit to escape, and this process will be very painful for people.
Tendril parasitic catfish, with an average length of 6-8 cm and a maximum body length of up to 17 cm.
It is found in the Amazon basin of South America, where it inhabits sandy bottom waters.