In most cases, the female drops eggs in the water which are immediately fertilized by sperm from the male. Another way is for fertilization to occur within the females body before she drops them into the water. With the third and final method, the female retains the eggs within her body and the young are born alive.
How can you tell if a fish is pregnant?
As your female fish becomes pregnant, she will grow a bulge at the back of her abdomen. This typically appears over the course of 20-40 days. Does your fish have a red or black spot? Sometimes, when a female fish is pregnant, she will develop a “gravid spot” on the abdomen.
Do fish get pregnant or lay eggs?
Fish reproduce by bearing live young or by laying eggs. Livebearers give birth to fully formed and functional young called fry. The eggs are fertilized and hatch within the female.
How long is a fish pregnant?
As examples, the female swordtail and guppy will both give birth to anywhere from 20 to 100 live young after a gestation period of four to six weeks, and mollies will produce a brood of 20 to 60 live young after a gestation of six to 10 weeks.
Can fish get pregnant by themselves?
In a study published in the Royal Society Open Science journal, a team details the case of female cichlid hybrid fish, a freshwater fish often kept in aquariums. The team noticed that the fish were able to impregnate themselves, producing healthy offspring who behaved — and reproduced — totally normally.
Is my Molly giving birth?
The Eyes of the Fry and Signs of Impending Birth
To accommodate the developing eggs, the mother’s body expands, becoming deeper and broader. A few days before delivery, she develops a bulge below the gills, her outline becoming fairly square in this region, while the gravid spot has enlarged its area.
Why are my goldfish chasing one fish?
The most common cause of a goldfish being territorial is if they are jealous of other fish in the tank or if the tank is too small. Territorial behavior is distinguished by chasing and nipping other goldfish away from a certain area in the tank.
Will my goldfish have babies?
“, goldfish don’t actually give birth to “live” young that swim away as soon as they are born. What is this? Goldfish lay eggs, which attach to objects in the tank or pond, such as leaves, and stay there until the goldfish babies (or “fry”) hatch.
How do the fish mate?
In most cases, the female drops eggs in the water which are immediately fertilized by sperm from the male. Another way is for fertilization to occur within the females body before she drops them into the water. With the third and final method, the female retains the eggs within her body and the young are born alive.
How do goldfish get pregnant?
Goldfish reproduce by laying eggs, unlike many tropical fish, such as Guppies or Swordtails, that give birth to live young.
Do fish eat their babies?
Sometimes he guards several clutches by different females, cleans the nest, and fans oxygen towards the eggs to improve their supply. Yet scientists have repeatedly observed males eating some of the carefully-provided for eggs. Filial cannibalism often occurs in fish species in which males care for the eggs or young.
How do fish deliver babies?
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.
What do I do if my fish has babies?
After Your Fish Gives Birth
For many species, it’s important to keep fertilized eggs and newly hatched fish, or fry, separate from the adults. Some fish eat their own young while others eat the young of other species. Keeping the fish eggs and fry separate from the adult fish may give them a better chance of survival.
Do fishes kiss?
In fact, its mostly likely the opposite – they are fighting! Fish who touch their fishy lips together (like “kissing” gourami) or lock to together in a passionate “kiss” (like betta fish) are most likely sparring or engaged in battle.
How do you tell if a molly is a boy or girl?
Males and females can be differentiated by the shape of their anal fin. Males have a anal fin that points backwards. Females’ anal fin looks just like the rest of their other fins. More than one molly can be kept in a tank together, however, they have been known to nip the fins of others in their tank.
Will guppies mate with mollies?
Potential cross breeding between guppies and mollies
These adult fish are not fertile and will not reproduce. Sadly, most babies from the guppies and mollies will die before, during or shortly after they are born. Both guppies and mollies can carry sperm for a long time after reproducing.
Do mollies eat their babies?
Cannibalism is normal with mollies and other livebearers like guppies and platys. As fecund as they are, you don’t really need to worry about saving every last one.
How do you know if fish are mating?
Signs that your goldfish are ready to mate include white spots along the gills of the males, and the female will become fatter and more rounded. The male will then chase the female around the tank to encourage her to release her eggs.
Why do goldfish keep chewing?
Feed the Right Amount. Goldfish do not have stomachs. When they eat, the food does not remain in their bodies long and they produce more waste. Underfeeding your goldfish may result in aggressive behavior such as biting tank mates in an attempt to get more food.
Why is my goldfish so fat?
Overfeeding – Sometimes a fish may become fat or swollen as a result of his diet. Often, overfeeding or the wrong types of food can cause constipation and other digestive issues. You can try to feed your fish less or healthier types of food, which varies depending on the species of fish.
Will my goldfish lay eggs?
In fact, a goldfish can lay up to 1,000 eggs at a time, although not all of them will survive. These eggs will stick to plants, or if you have added one, a spawning mop. Egg-laying typically occurs in the early morning hours. The male will then release milt to fertilize the eggs.
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