Deep sea fish
Deep Sea Fish
Deep sea fish (/di:p si: fɪʃ/) is a term for any species of fish that live below the photic zone of the ocean. The etymology of the term comes from the English words "deep" meaning "extending far down from the top or surface" and "sea" meaning "the expanse of salt water that covers most of the earth's surface and surrounds its landmasses", and "fish" which is a term for a limbless cold-blooded vertebrate animal with gills and fins living wholly in water.
Characteristics
Deep sea fish are adapted to life in the benthic zone or demersal zone. Many of them are bioluminescent, with very large eyes adapted to the dark environment. Some deep sea fish have long feelers to help them locate prey or attract mates in the pitch black of the deep ocean.
Types of Deep Sea Fish
There are many types of deep sea fish, including the Anglerfish, Viperfish, and Gulper Eel. Each of these species has unique adaptations that allow them to survive in the extreme conditions of the deep sea.
Diet
The diet of deep sea fish can vary greatly depending on the species. Some, like the Giant Squid, feed on smaller fish and squid. Others, like the Anglerfish, use a light-producing organ called a lure to attract prey.
Reproduction
Reproduction among deep sea fish can be a difficult process due to the low population density. Some species, like the Anglerfish, have developed unique methods of reproduction to overcome this challenge.
Threats
Deep sea fish face a number of threats, including overfishing, pollution, and the effects of climate change. These threats can have a significant impact on deep sea fish populations and the overall health of the ocean ecosystem.
See Also
External links
- Medical encyclopedia article on Deep sea fish
- Wikipedia's article - Deep sea fish
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