The Ommatokoita elongata parasite attaches itself to the Greenland shark's eye. Over time, the parasite causes damage to the cornea of the eye as it grows and becomes larger. This damage will ...

Measuring the Greenland shark’s growth rate is challenging because individuals are rarely recaptured. However, one shark tagged in 1936 had only grown 2.3 inches when it reappeared 16 years later.

Often, these duplications are referred to as genetic parasites due to their potential harmful effects, including genetic diseases such as cancer. However, it seems that in the Greenland shark ...

The Greenland shark lives in ... shark being blind. The parasitic copepod ommatokoita elongata attaches itself to the cornea of these sharks and actually feeds off the eye!