Are There Fish In Underground Lakes



What is an underground fish?

Cavefish or cave fish is a generic term for fresh and brackish water fish adapted to life in caves and other underground habitats. Related terms are subterranean fish, troglomorphic fish, troglobitic fish, stygobitic fish, phreatic fish and hypogean fish.

Are there cave fish?

Cave fishes are small, growing to about 10 cm (4 inches) long, and are found in fresh water in dark limestone caves of the United States. There are three species: Typhlichthys subterraneus, Amblyopsis rosae, and A. spelaea.

What kind of fish live in mud holes?

The African mudfish, or lungfish, can live out of water for many months in its burrow of hardened mud beneath a dried-up streambed. Africans dig it up, burrow and all, and store it for use when they want fresh fish to eat.

Do underground rivers have fish?

Some fish (colloquially known as cavefish) and other troglobite organisms are adapted to life in subterranean rivers and lakes.

Are there any blind fish?

Few animals have ignored the warning “use it or lose it” as spectacularly as the Mexican blind cavefish (Astyanax mexicanus), which no longer has eyes. Now scientists may have solved the riddle of why the fish lost their eyes in the dark.

Why do cavefish have no eyes?

A new study reveals that the cave-dwelling form loses its eyes due to the silencing of more than two dozen genes—many of which are shared by humans and have been implicated in human eye disorders.

Do cavefish have eyes?

Most cavefish do in fact have tiny eye structures, but these eyes are sunken below the body surface. In many of these species, the initial development of the eye is relatively normal, but the eye structures degenerate (regress) and become nonfunctional as development proceeds.

Do any animals live in caves?

Interestingly, animals that reside in caves are known as troglophiles and may include insects, millipedes, spiders, centipedes, reptiles, amphibians, worms, crustaceans, and mollusks.

Is a mud fish a fish?

A mudfish is a type of fish that lives and thrives in mud or muddy water. There are more then a few kinds of these fish and they can even be unrelated. They inhabit swampy areas and they prefer heavily weedy drains and wetlands. If these areas become dry, a mudfish can survive by living under a decaying log or leaves.

Where are mud fish found?

Mudfish most commonly refers to all species of Neochanna, native to New Zealand and south-eastern Australia.