Food for spiders

Food for spiders

Being the most prominent member of the Phylum Arthropod and belonging to the class Arachnids, Spiders are grown as pets in many parts of the world. They are completely carnivorous and their prey largely consists of others from their phylum. The general source of food includes ants, caterpillars, grasshoppers, beetles, cockroaches, crickets, roaches, meal worms, scorpions, and occasionally other spiders which are smaller in size than them. Some feed on silk webs and their own shed exoskeleton. The feed passes the extensive filter system of the mouth only if it small. It generally has to be less than 1 micrometre to pass further.

A few spiders like the jumping spider Bagheera, gets its source from the nectars of the plants. According to the latest source these arachnids prefer nectar for the nutrients and it keeps them energetic even under acute starving conditions. Pets are generally fed with crickets. A matured spider can ingest one or two crickets a week and for the very large ones the number can be five to six. They can survive without food for several days and when the abdomen shows signs of shrivelling then care must be taken. Water must be fed to the pets in small shallow half inch depth dishes.

General feeding behaviour of spiders

All spiders which have the set of chelicerae teeth to rip their prey apart and convert it in to a mass called the bolus. If the teeth are absent then the prey is perforated throughout the body to facilitate easy consumption. They catch their prey by various methods like trapping it in webs, mimicking them and following them. They feed only on liquid rather than solid as their guts are too narrow for solid masses. They liquidate their food with digestive enzymes outside the body and then grind them with pedipalps and ingest them.

picture credits:
© CharlesLam „Food Dance“
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