What type of bacteria are classified as psychrophilic?

Psychrophilic bacteria are defined as cold-loving microorganisms that thrive in low-temperature environments, typically between 0°C and 20°C (32°F and 68°F). These bacteria are commonly found in cold habitats such as Arctic and Antarctic regions, deep ocean waters, and refrigerated food products. Their adaptation to cold environments allows them to maintain metabolic processes at lower temperatures, which distinguishes them from other types of bacteria that prefer warmer or more moderate conditions.

The other classifications mentioned, such as heat-loving (thermophilic) bacteria, salt-loving (halophilic) bacteria, and oxygen-loving (aerobic) bacteria, pertain to their respective preferences for high temperatures, high salinity, and the presence of oxygen, underscoring the specific characteristics that define psychrophilic bacteria as those that thrive in cooler temperatures.