Why are dolphins in the cetacean family endangered?

Gerry Padberg asked a question: Why are dolphins in the cetacean family endangered?
Asked By: Gerry Padberg
Date created: Fri, Mar 12, 2021 7:06 AM

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Top best answers to the question «Why are dolphins in the cetacean family endangered»

  • Unfortunately, some dolphin species are considered endangered due to historical and current-day factors that caused many dolphins to lose their lives. Dolphins are an amazing species of marine mammals which belong to the cetacean family. The entire cetacean species comprises whales, dolphins, and porpoises.

FAQ

Those who are looking for an answer to the question «Why are dolphins in the cetacean family endangered?» often ask the following questions:

🐬 Are dolphins pinniped or cetacean?

Marine mammals are classified into four different taxonomic groups: cetaceans (whales, dolphins, and porpoises), pinnipeds (seals, sea lions, and walruses), sirenians (manatees and dugongs), and marine fissipeds (polar bears and sea otters).

🐬 Are dolphins and whales cetacean mammals?

yes

🐬 Endangered dolphins?

According to the International Union for Conservation of Nature, the most threatened dolphins are: – Baiji or Chinese river dolphin (Lipotes vexillifer).

9 other answers

Unfortunately, some dolphin species are considered endangered due to historical and current-day factors that caused many dolphins to lose their lives. Dolphins are an amazing species of marine mammals which belong to the cetacean family. The entire cetacean species comprises whales, dolphins, and porpoises. There are currently around 40 known dolphin species in existence today and around 80 known cetaceans in total.

The entire cetacean species is made up of whales dolphins and porpoises. 562019 In a broader sense the term endangered. They range in size from 7-85 feet in length and weigh 150-200 pounds. Unfortunately some dolphin species are considered endangered due to historical and current day factors that caused many dolphins to lose their lives. 7212017 Hectors Dolphin Cephalorhynchus hectori The Hectors dolphins are listed as one of the endangered dolphins in the world.

Overview. Overview. As a result of whaling and other human and natural influences, sixteen species of whales and dolphins are considered to be in danger of extinction according to the Endangered Species Act. Furthermore, because our knowledge about most dolphins and whales is lacking, there may be many more endangered species.

Marine mammals in the cetacean family include whales, dolphins, and porpoises. These animals are often referred to as “sentinels” of ocean health providing insight into marine ecosystem dynamics. Numerous studies have explored the effects of noise and chemical pollution, habitat degradation, and changes in climate on these animals.

Critically Endangered There are four cetacean species and 18 subspecies or subpopulations of cetacean that are currently classified as Critically Endangered on the IUCN Red List. The Yangtze River dolphin (Lipotes vexillifer) is classified as critically endangered and may already be functionally extinct.

All species of dolphins, porpoises and whales. Cetaceans are also protected by the Convention on International Trade in Endangered Species of Wild Fauna and Flora. The Marine Management ...

The cetacean skeleton is largely made up of cortical bone, which stabilizes the animal in the water.For this reason, the usual terrestrial compact bones, which are finely woven cancellous bone, are replaced with lighter and more elastic material.In many places, bone elements are replaced by cartilage and even fat, thereby improving their hydrostatic qualities.

Some dolphin species are in danger of becoming extinct, and alarming statistics suggest that illegal dynamite fishing, entanglement in fishing nets, collisions with boats and propellers, marine pollution, disease and beaching due to sonar interference, kill an increasing number of dolphins every year.

Introduction. Cetacean remains are frequently found in the stomachs of sharks (Table I ). Thus, sharks are often considered to be predators of dolphins and porpoises. To better understand the extent of predation on cetaceans, it is essential to understand how a cetacean might end up in the stomach of a shark.

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