Why do fish lay so many eggs at a time?
Rather, the rate of predation on fish eggs is high because they produce such a lot of eggs. Many fish produce thousands of minute eggs, each with an infinitesimally small chance of survival because this reproductive strategy in these species results in the highest number surviving to adulthood.
Where do fish lay eggs and why?
The methods of reproduction in fishes are varied, but most fishes lay a large number of small eggs, fertilized and scattered outside of the body. The eggs of pelagic fishes usually remain suspended in the open water. Many shore and freshwater fishes lay eggs on the bottom or among plants. Some have adhesive eggs.
Follow Us: Fish lay a large number of eggs because only a few of them, out of thousands, will be fertilized and produce a fish. This is because they are fertilized outside of the body and are highly sensitive to temperature changes and external factors.
Why do fish produce thousands of eggs?
Animals like frogs and fish lay hundreds of eggs and release millions of sperms. This is because the eggs and sperms get exposed to water movement, wind and rainfall.
Why do fish lay more eggs than humans?
Fish and amphibians will typically produce more eggs while reproducing than mammals and reptiles. This is due, in part, to the method of egg fertilization during which amphibians and fish fertilize the eggs externally, while mammals and reptiles fertilize eggs internally.
Which animal lay thousands of eggs in dirty water?
fish lays thousands of eggs because some of them are eaten by big animals and some of them don’t get enough Oxygen and some more things that they can’t grow , So fish has to lay many Eggs so that so of them becomes a new one.
What fish has the most eggs?
The mola, or ocean sunfish, looks like an animal cracker someone bit in half. At 5,000 pounds, though, this temperate and tropical water animal is the world’s heaviest bony fish. It’s also the heavyweight egg producer, releasing 300 million eggs over a spawning season.
Why do humans not give birth to as many babies as the frog do?
frogs reproduces more because there is one father but the number of mothers are more because there could be any number of females that can be fertilized whereas in humans internal fertilization takes place so the sperm can only fertilize one egg.
Why do fish lay so many eggs at one time?
Fish lay a large number of eggs because only a few of them, out of thousands, will be fertilized and produce a fish. This is because they are fertilized outside of the body and are highly sensitive to temperature changes and external factors. Female salmon, for instance, will lay anywhere from 1,500 eggs to about 10,000 at one time.
Why do female salmon lay so many eggs?
Fish lay a large number of eggs because only a few of them, out of thousands, will be fertilized and produce a fish. This is because they are fertilized outside of the body and are highly sensitive to temperature changes and external factors. Female salmon, for instance, will lay anywhere from 1,500 eggs…
Why do fish and amphibians produce so many eggs?
Fish and amphibians will typically produce more eggs while reproducing than mammals and reptiles. This is due, in part, to the method of egg fertilization during which amphibians and fish fertilize the eggs externally, while mammals and reptiles fertilize eggs internally. Become a Study.com member to unlock this answer!
Why does a hen lay so many eggs at a time?
So, to increase the chances of fertilization a large number of gametes are produced in these organisms. While, on the other hand, egg development in the hen takes inside uterus thus loss of gamete does not take place therefore in hen the zygote formation is not controlled by nature.
Fish lay a large number of eggs because only a few of them, out of thousands, will be fertilized and produce a fish. This is because they are fertilized outside of the body and are highly sensitive to temperature changes and external factors. Female salmon, for instance, will lay anywhere from 1,500 eggs to about 10,000 at one time.
Fish lay a large number of eggs because only a few of them, out of thousands, will be fertilized and produce a fish. This is because they are fertilized outside of the body and are highly sensitive to temperature changes and external factors. Female salmon, for instance, will lay anywhere from 1,500 eggs…
Why do female turtles lay so many eggs?
Female turtles lay their eggs on sandy beaches, burying them in deep pits. Each turtle lays 100 or so eggs. Many of the eggs are dug out of the nests by scavengers, and young turtles that do hatch are often eaten by predators. By laying so many eggs, the female turtle makes sure that a few will always survive to become adults.
Why do salmon have a hard time spawning?
Among these eggs, only around 10 will successfully spawn salmon. The eggs themselves are highly sensitive, which can make it difficult for them to survive and hatch. Factors like increased pollution and warm temperatures can be contributing factors to the low success rate of fish eggs.
