Stingrays do not sleep in the traditional sense, as they do not have eyelids to close. Instead, they rest by slowing down their movements and hiding in the sand or on the seabed. They also have the ability to shut down parts of their brain while remaining partially alert to their surroundings.
One clear one to see under water and another to completely close their eyes. They have one pair of eyes, with two pairs of eyelids: one regular pair, and an inner eyelid that is transparent called a nictitating membrane, used to protect their eyes when underwater. Sometimes it will be said that they have three eyelids, because you can count the regular eyelids as two, top and bottom, and the nictitating membrane as number three.
The collective noun for 'stingrays' is a fever of stingrays.
...everything.
Crabs are scavengers; they will eat stingrays if the stingrays are already dead.
stingrays do not bite they have a stinger in the tale
No,stingrays are NOT vertebrates.They have cartilage,not bones.
Are there stingrays in Louisiana? In the gulf of Mexico
stingrays that aren't poisnous
no they dont have eyelids
how many stingrays are their in the world
a group of stingrays. fever is the collective noun