pago-, pag- (cold, freezing)

(Greek: cold, frost, freezing; fixed or hardened; united)

Be aware that there is another Greek pago- unit that refers to a "peak"; however, it is used by biologists and ecologists in the restricted sense of "foothill".

Plant and animal organisms existing in ice.
pagophagia (s) (noun), pagophagias (pl)
A form of pica characterized by the compulsive eating of large quantities of ice: A pagophagia may be associated with iron-deficiency anemia.
Something (plants or animals) thriving in ice or preferring to exist in ice.
Thriving in ice or preferring to exist in ice.
Having a preference for environments consisting of ice.

The Antarctic and Snow Petrels, Adelie and Emperor Penguins, and Antarctic Tern can be called the real pagophilous species. Petrels are never observed far from the ice edge although they are encountered in ice-free water.

Harp seals; also called: genus Pagophilus.
Pagophilus groenlandicus
Harp Seal (Greenland Seal) that live on ice and snow; however they are not confined to the area of (groenlandicus) Greenland. They are widespread in the Arctic.

These seals have unusual and distinct markings on the back which have given rise to the names "Harp" and "Saddlebacked".

Thriving on ice (as some animals and plants) or living within ice itself (as some bacteria or other microscopic creatures).
Plants that thrive on (or in) ice.
pagoplexia (s) (noun), pagoplexias (pl)
Frostbite; damage to tissues as the result of exposure to very low environmental temperatures.
A device for showing at a glance whether the prevailing dew point is below freezing; a hygrodeik (a wet and dry bulb hygrometer: any instrument for measuring the water-vapor content of the atmosphere).

Cross references of word families that are related directly or indirectly to "winter, freezing, frost, and/or cold": algid- (cold, chilly); cheimo-, chimo- (winter, cold); crymo-, krymo- (cold, chill, frost); cryo-, kryo-; (cold, freezing); psychro- (cold); rhigo- (cold, frost; shiver).