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.
Glacier lanternfish. Some of the many varieties of this fish can have a length of 15 cm. (Photo: Stein Kaartvedt) You might be under the illusion that the most abundant fish in the ocean are the ones that are most popularly fished, such as cod, herring and anchovies. Not so. The greatest species and varieties of ocean fish currently swim in peace â at least in peace from the planetâs supreme predators, us.