Tomistoma Crocodile Case Study

846 Words 4 Pages
The Tomistoma crocodile “estimate is less than 2500 mature individuals, with continuing decline of at least 25% within 5 years or two generations.”(TomistomaTomistomaschlegelii, Bezuijen). The crocodiles are becoming extremely vulnerable and unfortunately, they do not mate as much as they should. Because of this, our group believes that if we extract the pheromones of a male Tomistoma and place it around the enclosure then the other male crocodile will want to mate with the female because the pheromones, will be from another male and cause the male in the enclosure to get territorial and mate with the female.
Most Tomistoma crocodiles have a difficult time mating. So the idea for this PBL came in mid because we believe can make these crocodiles have a higher mating percentage. Only about 20% of the crocodiles actually produce offspring. Also, many baby Tomistoma crocodiles don't make because they are very young and survive from their mother at the beginning. We do believe that the crocodiles will want to mate more mainly because the male Tomistoma are very possessive of their female companion so when they smell the pheromone of another male they will become territorial and mate more with the female crocodile.
“Pheromones are naturally occurring odorless substances the fertile body excretes externally, conveying an airborne signal that
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Tomistoma schlegelii persists over a wide range (confirmed localities in Borneo, Sumatra and Peninsular Malaysia), but many documented populations are small, fragmented, and under threat from habitat loss.” (Bezuijen,2014). This article helped give me an insight into why the crocodiles are vulnerable and it also helped me pick this PBL because the crocodiles we are doing the project on are from the zoo we know for sure that the habitat loss will not be a problem and that they may soon thrive

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