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This led to the extinction of the Steller's Sea Cow and the Caribbean monk seal. [3] Today, populations of species that were historically hunted, such as blue whales Balaenoptera musculus and B. m. brevicauda), and the North Pacific right whale (Eubalaena japonica), are much lower compared to their pre-exploited levels. [4]
Higher trophic levels include all predators of octopuses, and may fluctuate with octopus abundance, although many may prey upon a variety of organisms. Protection of other threatened species may affect octopus populations (the sea otter, for example), as they may rely on octopuses for food.
Surface-living animals (such as sea otters) need the opposite, and free-swimming animals living in open waters (such as dolphins) need to be neutrally buoyant in order to be able to swim up and down the water column. Typically, thick and dense bone is found in bottom feeders and low bone density is associated with mammals living in deep water.
Countries at a meeting on the global wildlife trade agreed on Sunday to strengthen protections for 18 threatened species of sharks and rays, including those whose fins are prized for making ...
The trade prevails because people don't check the law before they buy. Florida requires a permit for the ownership of most wildlife species. However, some pet store workers try to find a loophole ...
Shark fin has become a major trade within black markets all over the world. Fins sell for about $300/lb in 2009. [136] Poachers illegally fin millions each year. Few governments enforce laws that protect them. [131] In 2010 Hawaii became the first U.S. state to prohibit the possession, sale, trade or distribution of shark fins. [137]
Get excited for the 35th official Shark Week, from July 23 to July 29, with these shark facts.
The marine life found in the Canary Islands is interesting, being a combination of North Atlantic, Mediterranean, and endemic species. In recent years, the increasing popularity of both scuba diving and underwater photography have provided biologists with much new information on the marine life of the islands.