Some fish species are oviparous, meaning that the fish fry (babies) are born from eggs that are excreted from the female fish's body prior to hatching. Fish eggs are occasionally used by humans for food and fish bait.
Those who are unsure of whether fish lay eggs may want to seek answers at a sushi restaurant. Fish eggs are commonly used for sushi dishes, including as a topping for fancy sushi rolls or as sole ingredients in a simple piece of sushi. In this context, the fish eggs can be known as masago, ikuro or tobiko. Other culinary traditions include the use of fish eggs, including the black caviar of Russian cuisine. Fish eggs can also be called roe.Learn More
Koi fish are symbols in both Japanese and Chinese culture and can represent traits of strength and of love. Their meaning varies depending on the color, scale type and the pattern of the individual fish.Full Answer >
Fish kidneys, like human kidneys, regulate the ratio of water versus salt within the body. Fish kidneys have a more complicated job, however, as fish live in environments where they are constantly taking in water and salt.Full Answer >
Discus disease and stressful conditions may cause fish to develop black spots on the body. It is necessary to test the pH levels, temperature and oxygen levels in the aquarium to determine the cause of the condition.Full Answer >
The torpedo-shaped body of a King betta is much larger than the body of the traditional betta fish. Males display brighter colors and have a more distinct beard than females. When ready to breed, females exhibit an egg spot and vertical stripes.Full Answer >