Nekton (Gr. Nektos - Floating)

Nekton is a collective name for actively swimming organisms that have sufficient strength and capabilities to independently overcome currents and vertical movements in the aquatic environment. The term "nekton" comes from the ancient Greek word "νηκτός" (nektos), which means "floating".

Unlike another group of aquatic organisms, plankton, nekton are not passively transported by currents, but actively control their movement. Nekton includes many species such as fish, whales, squid, jellyfish and other marine animals. It is important to note that nektonic organisms can be either marine or freshwater.

One of the key features of nektonic organisms is their active swimming activity. They have various adaptations that allow them to move in the aquatic environment. For example, marine fish have special gills that allow them to extract oxygen from the water, and fins and a caudal fin help them maneuver and move in the desired direction. Nektonic animals can also use their muscles to actively swim and overcome water resistance.

The diversity of nektonic organisms is striking in its uniqueness. From small fish to giant whales, each species is adapted to its ecological niche and has unique survival strategies. Nekton plays an important role in aquatic ecosystems, participating in food chains and maintaining the balance between different species.

However, nektonic organisms are also subject to various threats caused by human activities. Climate change, water pollution, ingestion, fishing activities and the destruction of natural habitats of nektonic organisms negatively affect their populations. Therefore, it is important to take measures to conserve and sustainably manage marine and freshwater ecosystems to maintain the diversity of nektonic organisms.

In conclusion, nekton are an amazing group of swimming organisms that have the ability to actively control their movement in the aquatic environment. Their diversity and adaptations inspire exploration of their world, and conserving their habitats is an integral part of our responsibility to nature.