Although low in acute vision, they feed on grasshoppers, crickets, small birds and even snakes which have much better vision. The tarantulas are predatory and ambush feeders. However, the color of these tarantulas can range from cobalt blue to green with black and white stripes. Females have bigger stocky bodies covered in brown hair while the males have thinner bodies covered with black hair. The differentiating characteristics between the female and the male is the color and the size. The largest tarantula has fangs reported to reach 1.5 inches. They will also weigh between 80gm and 170gm. The tarantulas will go on to grow between a length of 2.5 cm to 11cm depending on the species. Males live for 10- 12 years with the females living for twice this much. The life expectancy of the tarantulas ranges from 6 months to a record of 50 years. Tarantulas in the captive as pets or specimen in the laboratory however are affected by the availability of food. ![]() In the wild, tarantulas in the warmer regions take a shorter time to mature than those in the colder regions. The term larva and nymph do not apply to spiders.įactors affecting the rate of the spider development are mainly temperature and availability of food. Its first true molt after reaching the ultimate instar is called first postultimate instar and so forth. Tarantulas and some other female spiders however can continue to molt after reaching the adulthood (Ultimate instar). ![]() All the male spiders except for a few exceptions do not molt after reaching their adulthood. The total number of molts depends on the species, sex and the individual of the tarantula during its life.Īfter hatching, the stage of the spider before reaching sexual maturity is called penultimate instar which is followed by the adult (ultimate instar). The postembryo begins its first true molt a stage formally known as the first instar. The nutrients are provided by the internal York located in the enlarged abdomen. The embryo hatches into the postembryo instar while inside the eggsac here, it is capable of moving its appendages but it is not a mobile stage. The life cycle of the tarantula begins as eggs hatched by the female.
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