Fish breed in a number of ways. Most fish release thousands of eggs, scattering them in the water where the male fish fertilize them. The eggs develop and hatch into larvae (baby fish) without any help from the parents. Most larvae are eaten by other creatures, but a few survive to become adults.
Do all fish lay eggs?
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.
What type of fish lays eggs?
The egg scatterers include many species of tropical aquarium fishes – such as the Danios, Barbs, Rasboras, and Tetras. Even the Goldfish is among the group of fish that scatter their eggs among plants and gravel, both in nature and in an aquarium, while offering no parental care whatsoever!
Which fish does not lay eggs?
Livebearing fish are some of the most popular tropical aquarium fish of all time and include guppies, platies, mollies and swordtails. They are so-called because the females give birth to live young, instead of laying eggs like other freshwater fish species.
Do fish lay eggs yes or no? – Related Questions
Do any fish have live births?
Live birth is also rare in fish, accounting for about two percent of known species, including guppies and sharks.
Do sharks lay eggs?
There are over 500 species of shark living in waters around the world and the majority give birth to live young. The remainder are oviparous, meaning they lay eggs.
Which animal does not lay eggs?
Animals which reproduce by giving birth to their young ones are called viviparous animals. These animals do not lay eggs. Mammals like cat, dog and man are viviparous animals.
Do guppies lay eggs?
Guppies do not lay eggs. They’re livebearing fish which means the eggs remain in their body until the fry are old enough. Once they’re old enough, the female gives birth to her fry.
Which sea creature does not lay eggs?
The remains of a giant sea creature are providing the first proof that these prehistoric reptiles gave birth to their young rather than laying eggs. Plesiosaurs, which lived at the time of dinosaurs, were large carnivorous sea animals with broad bodies and two pairs of flippers.
Do some sharks not lay eggs?
Only a few sharks, like cat sharks, lay eggs. But look out! A whole bunch of sharks give birth to live baby sharks, called pups. Mako sharks, bull sharks, lemon sharks, and blue sharks are a few examples of sharks that are born live.
Do sharks fall asleep?
Some sharks such as the nurse shark have spiracles that force water across their gills allowing for stationary rest. Sharks do not sleep like humans do, but instead have active and restful periods.
Can sharks hold sperm?
Along with insects, birds and even some mammals, a few species of sharks have been known to exhibit long-term sperm storage, keeping sperm in specialized glands in the body for a long while after copulation, says study author Luiz Rocha, assistant curator and Follett Chair of Ichthyology at the California Academy of
Do dolphins lay eggs?
Other characteristics of dolphins that make them mammals rather than fish are that they give birth to live young rather than laying eggs and they feed their young with milk.
Do snakes lay eggs?
Most snake species, around 70% of them reproduce by laying eggs, and 30% give birth to live young, like rattlesnakes, vipers, boas and most of the sea snake species. Read on to find out more amazing facts about snake reproduction.
How do whales birth?
Because whales are mammals, their calves grow inside their mothers and are born through live births. During the whale birth process, calves will emerge fins first. The size of a whale calf will depend on the size of the mother, but generally speaking you can expect it to be about ¼ the length of the mother.
Why whale is not a fish?
Whales are warm blooded. Fish are cold blooded. Whales breathe air through lungs. Fish use gills to extract air from water.
Can a whale eat a human yes or no?
The idea of whales swallowing humans has long been a part of mythology—so much so that many people believe it to be true. Yet it’s scientifically impossible for all but one whale species—the sperm whale—to swallow something as large as a person.
What is the biggest fish?
Whale shark
Fish / Biggest
The whale shark is a slow-moving, filter-feeding carpet shark and the largest known extant fish species. The largest confirmed individual had a length of 18.8 m. The whale shark holds many records for size in the animal kingdom, most notably being by far the largest living nonmammalian vertebrate.
Wikipedia
What is largest fish in the world?
The biggest fish in the ocean is the Rhincodon typus or whale shark. Despite their tremendous size and intimidating appearance, whale sharks are commonly docile and approachable.