Prostacyclin's interactions in contrast to thromboxane (TXA 2), another eicosanoid, strongly suggest a mechanism of cardiovascular homeostasis between the two hormones in relation to vascular damage. Degradation. Prostacyclin, which has a half-life of 42 seconds, [5] is broken down into 6-keto-PGF 1, which is a much weaker vasodilator. Mode of action
There is one species of Otter on the low risk list which is the Oriental Small Clawed Otter. Several of the species though are listed as vulnerable and endangered. They include the Southern River Otter, Hairy Nosed Otter, Giant Otter, and the India Smooth Coated Otter.In the United States Otters are protected under the Endangered Species Act.This is due to the fact that the conditions they live under could be compromised easily and that could lead to a significant reduction in their numbers in very little time.tters Conservation Status. Many of the different species of Otters have been heavily hunted in the past. As a result the numbers of them are quite low. This is why conservation efforts are in place to help them continue to survive. The main reason that these Otters were hunted though was for their fur.
Otters have long, slim bodies and relatively short limbs with webbed paws. Most have sharp claws on their feet and all except the sea otter have long, muscular tails. The 13 species range in adult size from 0.6 to 1.8 m (2.0 to 5.9 ft) in length and 1 to 45 kg (2.2 to 99.2 lb) in weight. The Oriental small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest.