Modern Uses

Based on starfish facts, these animals are definitely very useful in keeping the equilibrium and balance in the food chain under the sea. These animals have a very wide preference when it comes to their diet which is why they can help control the number of opportunist organisms in the oceans. But aside from their usefulness in the environment, there are also other uses of these starfishes by humans.

A common use of starfishes today is in the seawater aquariums. A lot of establishments who own seawater aquariums really love to incorporate a few species of starfishes in them because of their colors and their appearances. But when using starfishes in aquariums, it is important to use seawater only as starfishes will die in fresh water. If live starfishes are used to decorate aquariums, dried starfishes are actually used as decorations at home as well.

There are also places where starfishes are being sold as collectibles. Most of them have already been taken out of the sea and dried so that tourists can easily bring them back to their homes. But an unusual use of starfishes is as food in places like Japan. But eating starfishes should be done with caution since most species have toxins in their bodies.

Structure of Body

Starfish is not really fish because fish is composed of backbones, fins and gills. Starfish is an echinoderm, which is an invertebrate that has a proportional radial body. Instead of scales, starfish species are mostly equipped with a leathery, rigid skin, which protects them against the attack of predators like birds and fishes. Calcium carbonate makes up the skin of all starfishes. Most of the starfish species are equipped with five arms, which extend out of a central point; nonetheless, More...

Researching about Starfish Facts

There will be no starfish facts that people know today if not for the researches and studies done by scientists, zoologists, and biologists. From the time that starfish species were first discovered and studied by humans until today, a wider range of information are already gathered pertaining to these creatures. Researching starfishes is not an easy thing to do since there are thousands of species that are still living. In order to understand the evolution of this creature, researchers would More...

Starfish Facts

Starfish, also popularly recognized equally as sea stars, common name for 5 orders and about 1500 living species of marine invertebrate characterized by radially arranged arms having locomotory tube feet. Actually, starfish cannot be considered as fish in spite of the name provided to these sea animals. Some known starfish facts are that they belong to the group called echinoderms. They can be found in great numbers in the depths of the ocean and as well as in shallow waters. More...

Dissecting a Starfish

When considering dissecting a starfish, you must understand that this creature is a sea animal with a proportional endoskeleton. It feeds on mollusks and moves with hundreds of extremely small tube feet. Now, prepare the necessary tools for dissecting the starfish. These include a probe, a scalpel, dissection tray, scissors and pins. You must wear goggles and protective clothing to cover yourself against debris. Pin your starfish into the tray in such a way that its top view faces you. More...

Starfish Facts on Regeneration

Some of the most fascinating starfish facts are about their abilities in regenerating arms that have been cut. First you must understand why there are instances where a starfish could be missing an arm. The starfishes can actually be bitten by a predator and was able to escape or the starfish voluntarily cut one of its arms so that the predator will be distracted and they can escape. There are also species that cut their arms to reproduce. The duration More...

Central Disc of Starfish

Starfish have the capability of re-growing partial bodies or lost arms, after they experience an injury. They typically do this to either reproduce or heal wounds. If you cut a sea star into five sections, each containing a portion of its central disc and an original arm, five new sea stars will be born. For the most part, a sea star can never clone itself except when the targeted clone has a section of the central disc. As the name More...

Starfish Facts on Environmental Dangers and Threats

According to zoologists who study starfishes and their impact to the environment, these sea creatures have a very important role in the oceans. They may look like decorations in the ocean floor but they are actually considered as keystone species because they contribute in creating balance of species under the sea which can be done through predation. With the starfish facts that people already know, it will be a good start to know what these animals do so that people More...