An arthropod (from Greek arthro-, joint + podos, foot) is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and jointed appendages. Arthropods form the phylum Arthropoda, and include the insects, arachnids, myriapods, and crustaceans. Arthropods are characterized by their jointed limbs and cuticle made of chitin...
An arthropod (from Greek arthro-, joint + podos, foot) is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and jointed appendages. Arthropods form the phylum Arthropoda, and include the insects, arachnids, myriapods, and crustaceans. Arthropods are characterized by their jointed limbs and cuticle made of chitin, often mineralised with calcium carbonate. The arthropod body plan consists of segments, each with a pair of appendages. The rigid cuticle inhibits growth, so arthropods replace it periodically by moulting. Their versatility has enabled them to become the most species-rich members of all ecological guilds in most environments. They have over a million described species, making up more than 80% of all described living animal species, some of which, unlike most animals, are very successful in dry environments. They range in size from the microscopic crustacean Stygotantulus up to the Japanese spider crab. Arthropods' primary internal cavity is a hemocoel, which accommodates their internal organs, and through which their haemolymph - analogue of blood - circulates; they have open circulatory systems. Like their exteriors, the internal organs of arthropods are generally built of repeated segments. Their nervous system is "ladder-like", with paired ventral nerve cords running through all segments and forming paired ganglia in each segment. Their heads are formed by fusion of varying numbers of segments, and their brains are formed by fusion of the ganglia of these segments and encircle the esophagus. The respiratory and excretory systems of arthropods vary, depending as much on their environment as on the subphylum to which they belong.
Mastigoproctus giganteus or giant vinegarroon is a species of whip scorpion in the family Thelyphonidae.This species grows up to 85 mm. It lives in the southern US and in Mexico. Mastigoproctus giganteus preys on various insects, worms and slugs.
The Caribbean crab is also known as the purple claw hermit crab, as well as the purple pincher, land crab or soldier crab. Purple claw crabs are the most popular pet hermit crabs. They can be very unique and interesting pets.
Damon diadema is a species of arachnid, sometimes known as the tailless whip scorpion. It is found in Central Africa, Kenya, and Tanzania where it lives in caves and crevices, and under fallen logs. The animal is 4–28 mm long with a flat body.It is known as a tailless whipscorpion because of the long whip-legs that are the majority of its body width. Its...
The house cricket is typically gray or brownish in color, growing to 16–20 millimetres in length. Males and females look similar, but females will have an ovipositor emerging from the rear, around 12 millimetres long. The ovipositor is brown-black, and is surrounded by two appendages. On females, the cerci are also more prominent.
Collembulos, a great food for small preadators, will be perfect for both praying mantis, frogs and others. Easily grown and perfectly improves micro flora in terrarium. The collembula itself grows about 1-2mm, eats plant residues, detritus and so on. Life expectancy of collembols - 2 months