Fish without oxygen – heat waves and the life cycle • Phenomenon

(lives here on the beaches) – The extreme heat waves we have experienced recently affect not only humans, but also flora and fauna. The scorching heat causes plants to bloom early, but also ends their life cycle quickly. In water systems, especially in streams such as Hadera and Alexander, widespread fish mortality is observed, a phenomenon that repeats itself every few years.

Mullet in distress

Over the past two weeks, young mullet have been recorded floating on the surface of the water, some being released into the sea through the power plant's estuary, while others are drifting towards Olga Hill. These fish, which grow to maturity in streams near the sea, are struggling to survive in the current conditions.

Water warming and its effects

The water in the streams is warming up rapidly, leading to an increase in algae. This, combined with fertilizers, causes a decrease in the percentage of oxygen in the water, as oxygen does not dissolve well in warm water. Fish are sometimes seen sticking their heads out of the water in an attempt to breathe and cope with the lack of oxygen.

Nature in a circle

Fish that wash ashore become prey for ravens, as can be seen in the photos. Those that remain in the sea become part of the food chain, serving as food for sharks, land fish, and crustaceans.

a global phenomenon

There is no immediate solution to this phenomenon, which is part of natural cycles and also occurs in other places around the world. As temperatures rise, more fish mortality is expected. Nature continues on its course, and everything finds its place in the ecosystem.

Have a good week everyone.