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Ecology of a Trinidad Thick-Tailed Scorpion


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             POPULATION ECOLOGY.
             In Trinidad there are seven species of scorpions. The Tityus trinitatis accounts for approximately 90% of the scorpion population (Pocock 1894).
             REPRODUCTION.
             Vibrations and smell is relied when finding a mate. Mating can be readily where a complex mating dance called the "promenade a duex" is initiated with each other (Scorpionworlds.com 2013). Mating is not disturbed easily hence making observations easy. Mating last for a quick time of around 20-30 minutes. On completion of mating, they separate from each other. After mating and feeding, the male ventures in search of successful mating with other females. The captivity period of gestation could be 4-5 months producing a litter of 5-10 scorplings. Inside the female the young would grow as it is born from her body alive and then live on the back for several weeks. The female makes her body very stiff after lifting it and stays in a unique posture for the young ones. When time for the young ones to come out, her front legs are lowered and they come out the same time or minutes behind each other. Only until they are completely removed then she will un-hold the posture. Maturity in male and female is at the sixth instar where they have to shed their exoskeletons. The male takes less moult than the female reaching sexual maturity. Adulthood is reached at a required 10-11 months (Jabcobi 2014).
             BEHAVIOR.
             Extremely docile as a shy creature, when molested, remains still using cryptic colouration to hide. Only when threat is opposed to the creature then it will use its sting. They would occasionally do climbing on trees but mostly live on the ground. In a vertical position, they would often cast out parts.
             APPLIED ECOLOGY.
             This species is dangerously venomous accounting for many human deaths every year. Its venom is although less dangerous than the Tityus serrulatus reported LD50 of 2.0 mg/kg (sc, Habermehl, 1981). Venom induction by Tityus trinitatis appears to result from the pancreatic acini from muscarinic hyper stimulation where there is narrowing of the ampullary mechanism.


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