A stingray: do they get a little light-headed as they feel the electricity brighten, speed up, then die? | Helen Sullivan

Most venomous creatures store their poison in a gland. Not the stingray, whose venom is in its very tissueWhere do you begin with an animal whose mouth looks like a face, whose face is split into two - half at the top, and half the bottom; who can breathe with either part - from spiracles behind the eyes, or gills behind the mouth; whose teeth are scales; whose scales are teeth-like (denticles)?When stingrays hunt, they lose sight of their prey - their eyes are bad, and their prey is often underneath them. To find and feel clams, mussels, crabs and fish, the rays rely on electroreceptors in their skin, or, as National Geographic puts it, "special gel-filled pits". They literally inhale their food, gulping down the electric signal. As they do this, they breathe through the spiracles behind their eyes, which work less efficiently than their gills. Do they get a little light-headed, breathing as if through a towel, feeling the electricity brighten, speed up, then die? Continue reading...