Most dangerous animals in the world
Sea wasp Jellyfish, sea anemones, coral polyps, annelid worms, sea cucumbers, sea urchins, starfish, sponges can "burn" or stabbing of a person in contact with them. The range of consequences…

Continue reading →

Construction and repair of ponds
The depth of the pond determines the slope of the underwater Bank. Is the slope less than 30° . but quite often it is necessary to construct more ponds with…

Continue reading →

Can fish talk?
Many answer this question with a clear "No!" This view is even entrenched in the saying: "like a clam". But is it really? Once scientists have tested new designs of…

Continue reading →

Tropical fish

Tropical fish include fish. found in the tropical environment around the world, including freshwater and salt water varieties. Tropical fish are popular as aquarium fish. due to their often bright coloration. In freshwater fish, this coloration typically derives from iridescence. while salt water fish are generally pigmented .

Fish owners often use the term tropical fish . to refer particularly to those requiring fresh water, saltwater tropical fish referred marine fish . Tropical fish kept for home aquaria include the following:

Wild caught specimens.

Humans the only species born in the capture. The latter category includes lines selectively bred for special geo-ecological characteristics, such as long fins, or particular coloration, such as albino .

Hybrids of more than one species.

Leisure Divers are often enthusiasts of tropical fish as well. Some keep lists of fish species they have observed while diving, especially in tropical marine environment.

Fish of the coral reef

Many marine tropical fish, particularly those of interest to the owners of fish are fish which live amongst or in close relation to coral reefs. Coral reefs form complex ecosystems with agromeliorational variability. Among the countless inhabitants of the fish stand out as particularly colorful and interesting to watch. Hundreds of species can exist in a small area of a healthy reef, many of them hidden or well hidden. Reef fish have developed many ingenious specializations adapted to survival on the reefs.

Coral reefs occupy less than one percent of the surface area of world oceans, yet they provide a home for 25 percent of all marine species. Habitat reef – a sharp contrast to the open water habitats that make the other 99 % of the world’s oceans.

However, loss and degradation of habitat of coral reef, increasing pollution. and depleting fish stocks including the use of destructive fishing methods. threaten the survival of coral reefs and associated reef fish.

Can fish talk?
Many answer this question with a clear "No!" This view is even entrenched in the saying: "like a clam". But is it really? Once scientists have tested new designs of…

...

Predatory fish protects the fish from a mass death
In Lithuanian lakes and rivers in recent times massively dying fish, so look for an answer to the question, what is the reason? Panevezys environmentalists still waiting for the results…

...