jaws

Predatory aquarium fish

Now it is worth noting the fact that in nature is very rare to find a PREDATORY ANIMAL that eats only meat. For example, cats! Cats are predators, but all the happy owners of Barsik and Murzik know that their Pets love to chew grass and house plants.

Same situation is with fish. In a huge aquarium the Kingdom very hard to find “fish masueco”. Perhaps that would not. Do not renounce, but in the diet of all aquarium fishes includes both plant and animal food.

From the above we can conclude – PREDATORY AQUARIUM FISH in the true sense of the word does not exist. Speaking of chasnosti fish most likely appropriate the word aggression. But aggression has its own trick question – after all, even guppies exhibit intraspecific aggression, although predators they by no means pull.

Thus, it is possible to withdraw nakimichi understanding of the phrase: “PREDATORY AQUARIUM FISH” is overly aggressive, large, territorial aquarium fish, a diet which is predominantly meat diet.

A SELECTION OF CARNIVOROUS AQUARIUM FISH

(photo and description)

Many people know that the family of Cichlidae fish are mostly aggressive, territorial fish, especially this statement relates to African cichlids. In some species of cichlids, there is fierce intraspecific aggression, which manifests itself not only in males, in relation to each other, but even between male and female, for example, as Labeotropheus Trewavas . Sometimes it comes to the fact that the joint content of female and male is simply not possible, as, the last to death scores individual of the opposite sex. Continue reading

What is a Shark?

This term there are other uses, see Shark (disambiguation) .

Sharks (lat. Selachii ) [1] is a superorder of cartilaginous fish ( Chondrichthyes ) belonging to the elasmobranch subclass ( Elasmobranchii ) and has the following distinctive features: elongated body, more or less torpedo-like shape, large heterocercal caudal fin, usually a large number of sharp teeth in each jaw [2] .

Skeleton

The skeleton of sharks is markedly different from the skeleton of a bony fish — it has no bones. and it is fully formed from cartilaginous tissue. In the skeleton there are the following departments:

Axial skeleton — the spine. educated numerous ampicillinum cartilaginous vertebrae ;

The skull with two divisions — the brain box and the skeleton of the mouth and Gill apparatus;

The paired appendages and girdles — pectoral and pelvic fins ;

Unpaired fins are, as a rule, caudal, anal and two dorsal fins. Continue reading

Shark – dangerous sea creatures

Shark is a marine predator, which has animal instincts, and we can’t predict a shark will attack or not.

Bearded shark

Bearded shark in camouflage, Indonesia, Indian ocean. However, it is easily recognized by the beard, which frames the head. These outgrowths attach to the shark very funny. Its flattened body is grayish or yellowish brown with large light spots. This allows the shark is easily distinguished from the surrounding sandy seabed and corals. She swims at a small depth , among coral reefs.

The shark has an average size – about 1-1. 5 meters. Although some specimens can reach 3-4 meters, but this happens very rarely. Besides fish, bearded sharks eat invertebrates that live on the bottom.

The degree of hazard to humans: medium.

For man bearded shark is not dangerous, it is important not to anger. But if to dismiss his hands, carrying her by the tail and poking, painful bite is guaranteed.

Bull shark or bull shark

Bull shark, the Pacific ocean. Continue reading

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