Fish Behavior

Fishing lines are a major source of ocean plastic pollution. Abandoned and discarded fishing gear, like nets and lines, makes up about 46% of the Great Pacific Garbage Patch. This marine debris, known as ghost fishing gear, endangers marine life and harms ecosystems. Tackling this issue is vital for the health of our oceans. Additionally, … Read more

Fish stocks in the North Sea are declining, especially cod. The cod population has decreased by 12% since 2001, raising concerns about breeding risks. In the West of Scotland, the decline is more severe, with a 68% drop over the last 20 years. This situation highlights the urgent need for conservation efforts to protect marine … Read more

Fish scales have various applications. They contain bioactive peptides and can be turned into chitin and chitosan. These substances exhibit antioxidant, antimicrobial, and antiviral properties. This makes them valuable in food preservation, medicine, and cosmetics, while also supporting sustainable practices. From a health perspective, fish scales offer several benefits. They are rich in collagen, a … Read more

Fish generally do not shed their scales during life. Most species retain scales that grow with them. Some can shed scales as a defense against predators. If scales are lost due to injury or aging, fish can regenerate them, ensuring their skin structure stays intact and provides protection throughout their life cycle. Additionally, species variation … Read more

Fish scales are usually removed before cooking fish. Although they are safe to eat if cleaned and cooked well, many prefer not to due to their tough texture. Removing scales improves texture and flavor, leading to a better eating experience. Health considerations also support keeping fish skin, but the scales are best discarded. To clean … Read more

Fish scales are good for plants because they provide nitrogen, an essential nutrient. Both edible and ornamental plants can effectively use this nitrogen. Some plants, however, absorb atmospheric nitrogen through root nodules and may need less fertilizer. Overall, fish scales are a natural and rich source of nutrition for gardening. Moreover, fish scales break down … Read more

Fish scales are edible and can be digestible if cleaned and cooked correctly. They contain collagen and offer some health benefits, such as bioactive peptides and nutrients. However, studies on their nutritional value are limited. Eating fish scales can also pose a choking hazard, so caution during food preparation is essential. Preparation methods make fish … Read more

Fish can be polluted by chemical pollutants in their environment. They absorb these harmful substances through water and food. The pollutants can build up in their skin, fat, internal organs, and muscle tissue. This accumulation can harm fish health and pose risks to humans who eat them. Consuming contaminated fish poses several health risks. High … Read more

Migratory freshwater fish are facing challenges. Their populations shrank by 81% from 1970 to 2020. Habitat loss, overfishing, climate change, and pollution are the main causes. Endangered species like salmon and eel are at risk. World Fish Migration Day on May 25, 2024, raises awareness about their importance for food security. Many fish species face … Read more

Fish in some salmon farms are skinned alive, according to investigative reports. This practice often occurs under poor conditions, raising major animal welfare concerns. Ethical treatment of fish demands humane methods. Current trends show a growing awareness and public interest in ending cruelty in fish skinning and improving farming practices. Fish possess nervous systems and … Read more