Do Mexican tetras have eyes?

What is the evolution of the Mexican blind cave tetra?

Evolution of the Mexican Blind Cave Tetras: There are two types of Mexican Blind Cave Tetras. One type lives in the caves and are blind and lack colour due to the absence of sunlight. The other type retain their eyesight as well as having colour on their bodies.

Are Mexican tetras Hardy?

It’s silver and has that familiar tetra shape. Mexican Tetras are very hardy. Even the blind variants of this fish do well in captivity. Despite their inability to see, the fish have no problem navigating an aquarium or finding food! They prefer subdued lighting and gravel substrate.

What is the difference between a Mexican and black cave tetra?

They are not far from the truth, as the Black Cave Tetra is the albino version of the Mexican one. You can easily tell them apart just by their coloring. While the Black Cave Tetra has shades of pink besides the iridescent silver, the Mexican Tetra is rather drab and silver colored.

What temperature should blind cave tetras live in?

The heater should be set to a minimum of 68 degrees Fahrenheit and it can go all the way up to 77 degrees. When it comes to water acidity, it should be held between 6.5 and 8.0 pH. The water shouldn’t be soft at all, as Blind Cave Tetras prefer it to be hard or moderately hard.

What is a blind cave Mexican tetra?

The Blind Cave Mexican Tetra is quite unique, and it comes in two forms. One variety is eyed, while another has no eyes. This variation is attributed to the environment they inhabit.

How many eggs do blind cave tetras lay?

Blind cave tetras can lay up to 1000 eggs per female and the freshly laid eggs appear white. Many people associate white eggs with being infertile, but it’s quite normal for blind cave tetras. The eggs will hatch in around 24 hours, and the fry will usually become free swimming within a week.

How do blind tetras cope with food shortages?

These include a more sensitive sense of taste and smell, as well as the ability to cope with inconsistent food availability. The blind cave tetra can reserve up to four times more energy in the form of fat and will accept nearly any kind of community aquarium fish food.

Are tetras omnivores or carnivores?

All these varieties of tetras are omnivores and schooling species. The Neons that you find in fish and pet stores are all captive-bred by commercial breeders in the Far East and Eastern Europe.

How long does it take for blind tetra eggs to hatch?

Many people associate white eggs with being infertile, but it’s quite normal for blind cave tetras. The eggs will hatch in around 24 hours, and the fry will usually become free swimming within a week. When the fry become free swimming they should be feed infusoria.

What happens when a fish hatch from an egg?

When the embryo hatches from its egg and begins the next stage of its life as a larval fish, the pace of its development remains rapid. The odds of it surviving past the larval stage are still tiny, but to have any chance at all it needs to grow — and quickly.

How to breed blind cave tetras?

Blind Cave Tetras are not demanding, they don’t have complicated traits and it’s not hard to breed them either. If you want to breed them, then the first thing you need to do is to prepare a separate tank for it. Place a male and a female in the separate aquarium.

How long does it take for baby tetras to hatch?

Wait for the baby tetras to hatch. There may be between 60 and 130 eggs, but not all of them will hatch. After the eggs are lain, they will take about 24 hours to hatch. You can expect about 40 to 50 baby tetras to hatch from the eggs.

What temperature should the water be for a blind cave tetra?

General care. The water temperature should range from 20-25°C (68-80°F) and the pH should range from 7.0-8.0. Like all fish species the tank should be fully cycled before adding the Blind cave Tetra and a suitable filtration system should be used for the water volume of the aquarium.

How often do tetra fish lay eggs?

Tetras can lay eggs every two weeks in the wild. However, in captivity it can be unpredicable as the conditions are not ideal. How Many Eggs Do Tetras Lay at Once? A female tetra fish will spawn between 50 and 120 eggs for fertilization on average. However, not every single of these eggs will necessarily hatch. How Many Babies Do Tetra Fish Have?

What is the best tank mate for a blind cave tetra?

The best tank mates for this species are peaceful community fish that occupy a different level of the tank. Corydoras catfish, for example, are a bottom-dwelling species that would do well with the blind cave tetra. Other tetras, barbs, and gouramis also make good tank mates as long as their tank requirements align.

How much water do blind cave tetras need?

A larger tetra, Blind Cave Tetras need a minimum of 20 gallons for a school of 5. They can reach up to 4 inches. They prefer subdued lighting, as it is closer to their natural habitat. A sand or small gravel substrate is preferred. Although some will learn to eat off of the surface of the water, most will root in the substrate for food.

How long does it take for tetras to hatch?

After the eggs are laid, they will take about 24 hours to hatch. You can expect about 50% of baby tetras to hatch from the eggs in most of the cases. The baby tetras will look like small splinters of glass swimming around the aquarium tank.

Do neon tetras need to be isolated before hatching?

You basically have nothing to do prior egg hatching, other than isolating all eggs from any neon tetra adult. However, once they start swimming around the tank, you will have to greatly care about the little babies. Indeed, they require lots of highly nutritious food in order to grow.

How many eggs can a female fish lay?

When it comes to laying eggs, spawning is the intricate process through which many fish species reproduce. The female fish releases multiple eggs in the water while the male fish releases the sperm to fertilize those eggs. The female fish can lay around a hundred to thousand eggs at one time.

How many eggs does a salmon lay?

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.

How long does it take for a tetra to hatch?

When a female is ready to breed, she will scatter a lot of eggs for the male tetras to fertilize. The eggs are transparent and somehow adhesive, so it could easily stick to plants. Once spawned and fertilized the eggs will take about 24 hours to hatch, producing tiny fry that will feed entirely on their egg sacks for the first few days.

Is your GloFish tetra pregnant?

The eggs after females lay them are fertilized externally by the male glofish tetra and hence you can call the egg carrying phase pregnancy. Although it is wrong to term the egg carrying and laying stage pregnancy, we can suppose it for now. So, here is how you can detect whether your glofish tetra is pregnant or not.

What is the best water temperature for a blind cave tetra?

The heater should be set to a minimum of 68 degrees Fahrenheit and it can go all the way up to 77 degrees. When it comes to water acidity, it should be held between 6.5 and 8.0 pH. The water shouldn’t be soft at all, as Blind Cave Tetras prefer it to be hard or moderately hard.