Why fishes are in danger?

Fishes are in danger due to a combination of factors, some of which include:

Overfishing: This is considered to be the most significant threat to fish populations. Many fish species are harvested at unsustainable rates, often exceeding their natural reproductive capacity.

Pollution: Chemicals, fertilisers, oil, and a variety of other pollutants enter waterways and damage the natural habitat required for fish survival.

Habitat destruction: Destruction of fish habitats, such as coral reefs and mangrove forests, can severely impact the survival and reproduction of fish. These coastal habitats are often threatened by human activities like logging, urban development, and coastal development.

Climate change: Rising global temperatures, acidification of oceans, and changes in ocean circulation patterns are all aspects of climate change that can pose significant challenges for fish populations. Warmer waters, for instance, can make it difficult for fish to survive and reproduce, while ocean acidification can harm the development and survival of fish larvae.

Bycatch: This refers to the accidental capture and killing of fish that are not targeted for fishing operations. Bycatch can result in the loss of large numbers of fish, including endangered species.

Illegal fishing: Illegal fishing activities encompass a range of prohibited practices, such as fishing without proper licenses or permits, fishing in protected areas, and using destructive fishing gear.

Invasive species: The introduction of non-native fish species can disrupt the natural balance of ecosystems and compete with native fish for food and habitat, potentially leading to population declines in native species.

Diseases: Fish can be affected by a variety of diseases, including those caused by parasites, bacteria, and viruses. Some diseases can spread rapidly and cause significant mortality among fish populations.

These factors collectively contribute to the alarming decline of fish populations around the world, posing serious threats to biodiversity, marine ecosystems, and the livelihoods of people who rely on fish as a food source. It is crucial to address these challenges through conservation measures, sustainable fishing practices, and international collaboration to ensure the long-term health and survival of fish species.