A stye is an infection of an oil gland in the eyelid. It produces a red, swollen, painful lump on the edge or inside surface of the eyelid. Styes usually occur closer to the surface of the eyelid than do chalazia.
The most abundant salts in the ocean are chlorine, sodium, magnesium, sulfur, calcium, and potassium. Ocean salinity is affected by multiple factors including ice melt, inflow of river water, evaporation, precipitation, wind, wave motion, and ocean currents.
The most common salt water aquarium eel is the moray, a fish who makes a great centerpiece. Moray eels are big, and many species are colorful. Feeding time is a great opportunity to to see your eel in action or show it off. Just make sure you feed your eel the right way.