To bake salmon, preheat the oven to 375°F (190°C). Season the salmon with salt and pepper. Place it on a baking sheet, skin side down. Bake for 15-20 minutes. Check for doneness when the salmon is opaque and flakes easily. Ensure the internal temperature reaches 145°F for safe eating. Next, add herbs for extra aroma. … Read more

To add oxygen to lake water for fish, use a pond air pump with diffusers to circulate water. This moves oxygen-rich surface water deeper. Introduce live plants and increase water movement with fountains or waterfalls. Regular water changes also improve oxygen levels effectively. Second, planting aquatic vegetation can significantly improve oxygen levels. Plants produce oxygen … Read more

To keep deep-sea fish, maintain cold temperatures between 40-50°F. These fish survive high pressure because of TMAO, which stabilizes their proteins. Facilities like the Monterey Bay Aquarium use atmospheric pressure tanks and regulate conditions carefully. This ensures the adaptation and survival of these unique marine organisms. Temperature and salinity must also be carefully controlled. Deep … Read more

To make saltwater for fish, use RO-DI water. Add Brightwell Aquatics NeoMarine salt mix to reach your desired salinity level (e.g., ½ cup per gallon for 1.025 specific gravity). Mix in a container with a pump. Test the salinity and adjust as needed. Follow the mixing instructions for best results. Fill a clean container with … Read more

You can get a rusty sword by pickpocketing H.A.M. members, which needs a Thieving level of 31. After obtaining the rusty sword, you can repair it with Tindel Marchant in Port Khazard for 100 coins. The rusty sword is also important for completing the Ardougne Easy Diary tasks. During the fishing session, you may receive … Read more

Tuna fishermen flip fish onboard using methods like gaffing and cutting the gill arch. Gaffing uses a hook to grab the fish’s head. Cutting the gill arch immobilizes the fish, making it easier to handle. Both techniques help ensure safe and efficient retrieval of tuna during fishing operations. Another popular method involves using lift bags, … Read more

Tuna fish reproduce through broadcast spawning. Females release millions of eggs while males release sperm into the water at the same time. This increases fertilization rates and protects the eggs from predators. As oviparous fish, tuna can spawn multiple times. Large females can produce up to 45 million eggs each spawning season. Tuna exhibit unique … Read more

Tuna fish protect themselves by swimming in schools. This group behavior increases their awareness of predators. Their streamlined bodies help them swim quickly. Tuna can regulate their body temperature, enhancing their speed. They often associate with dolphins to avoid shark attacks, improving their safety in the ocean. Another interesting defense mechanism is their schooling behavior. … Read more

Tuna fish get mercury from their diet. They eat smaller fish and crustaceans that contain methylmercury. This mercury enters the ocean from both natural sources and human activities, like coal burning. As tuna grow, they store more methylmercury in their bodies, due to their place in the marine food chain. Despite these risks, tuna remains … Read more

Tuna fish die when they stop swimming. They need movement to push water over their gills for breathing. Unlike other fish, tuna cannot breathe effectively while still. If they cannot swim, they cannot get oxygen. This need for constant movement is crucial for their physiology and survival against predators. Tuna die primarily due to environmental … Read more