Yes, dogfish is edible and often enjoyed in the UK, especially in Fish & Chips. Known as Huss or Rock Salmon, it has a mild flavor and a firm texture. It is less dense than swordfish but firmer than Basa. Dogfish can be prepared using various cooking methods, making it a versatile choice for seafood … Read more

Doctor fish, or Garra rufa, are not saltwater fish. They live in freshwater habitats, mainly in Western Asia. These cyprinid fish play an important ecological role. They are popular in fish therapy, where they eat dead skin. Knowing their natural environment helps in their care and conservation. While many mistakenly believe that Doctor Fish can … Read more

Discus fish are freshwater fish that belong to the Cichlidae family. They thrive in soft, warm waters and can reach up to 8 inches in length. Known for their vibrant colors, discus fish are popular choices for home aquariums. They need specific water conditions, making proper care important for pet owners. Essential care for discus … Read more

Deep-sea fish can resist crushing pressures because of their special physiology. They have high water content and few gas-filled organs, which helps them avoid compression. Fish like the viper fish display unique traits, such as bioluminescent organs, that enhance their survival in deep, extreme habitats. Additionally, deep sea fish often have very soft tissues. Their … Read more

Most deep-sea fish are cold-blooded. Their body temperature adjusts to the ocean temperature. However, the opah is unique as a fully warm-blooded fish. It uses specialized blood vessels for thermoregulation. These structures help the opah maintain warmth, enabling it to thrive in the cold ocean depths. Their bodies often have specialized structures, such as large … Read more

Deep sea fish can be blinded by bright light exposure. Studies show their physiological responses vary. Some may experience temporary effects that they can recover from, while others may suffer permanent blindness. More research is needed to fully understand the effects of light exposure on these unique animals. To guard against this, certain deep sea … Read more

Many deep sea fish are blind because light does not reach their habitats. They use their strong sense of smell and pressure sensitivity to find food and avoid predators. Some species have large eyes that can detect bioluminescence, which helps them navigate the darkness and identify potential meals. Some species, like the anglerfish, have evolved … Read more

Aquariums do not pressurize deep-sea fish. Instead, they capture fish in pressure chambers. These chambers simulate deep-sea conditions. The fish are brought to the surface while maintaining the same pressure. After that, they gradually undergo decompression, similar to how a hyperbaric chamber works. Pressurized systems maintain the necessary environmental conditions that support the health of … Read more

Zebra danios, also called zebrafish or striped danios, are tropical freshwater fish that come from Southern Asia. They adapt well to different water conditions, making them suitable for home aquariums. Their active nature and striking stripes appeal to both fish keepers and educators. Caring for danios is relatively easy. They thrive in well-maintained aquariums with … Read more

Most damselfish are saltwater fish found in marine habitats like the Atlantic and Indo-Pacific oceans. However, some species, called freshwater damselfish, live in brackish and freshwater environments. This shows that not all damselfish are limited to saltwater habitats. In terms of care, damselfish require a well-maintained saltwater aquarium. Their diet should consist of high-quality marine … Read more