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The Great Blue Hole is a giant marine sinkhole off the coast of Belize. It lies near the center of Lighthouse Reef, a small atoll 70 km (43 mi) from the mainland and Belize City. The hole is circular in shape, 318 m (1,043 ft) across and 124 m (407 ft) deep. [ 1][ 2] It has a surface area of 70,650 square metres (760,500 sq ft).
[3] The second deepest is the Dragon Hole, or Longdong, in the South China Sea at 300.89 metres (987 ft) deep, [4] while the third deepest blue hole in the world is Dean's Blue Hole at 202 metres (663 ft) , located in a bay west of Clarence Town on Long Island, Bahamas. Other blue holes are about half that depth at around 100–120 metres (330 ...
The beluga whale ( / bɪˈluːɡə /; [ 4] Delphinapterus leucas) is an Arctic and sub-Arctic cetacean. It is one of two members of the family Monodontidae, along with the narwhal, and the only member of the genus Delphinapterus. It is also known as the white whale, as it is the only cetacean to regularly occur with this colour; the sea canary ...
The blue whale is a slender-bodied cetacean with a broad U-shaped head; thin, elongated flippers; a small 33 centimeters (13 in) sickle-shaped dorsal fin located close to the tail, and a large tail stock at the root of the wide and thin flukes. The upper jaw is lined with 70–395 black baleen plates. The throat region has 60–88 grooves which ...
Sea urchins or urchins ( / ˈɜːrtʃɪnz /) are typically spiny, globular animals, echinoderms in the class Echinoidea. About 950 species live on the seabed, inhabiting all oceans and depth zones from the intertidal to 5,000 metres (16,000 ft; 2,700 fathoms). [ 1] Their tests (hard shells) are round and spiny, typically from 3 to 10 cm (1 to 4 ...
Diadema antillarum, also known as the lime urchin, black sea urchin, or the long-spined sea urchin, [ 2] is a species of sea urchin in the family Diadematidae . This sea urchin is characterized by its exceptionally long black spines. It is the most abundant and important herbivore on the coral reefs of the western Atlantic and Caribbean basin.
World population graph of blue whales. Whaling by humans has existed since the Stone Age. Ancient whalers used harpoons to spear the bigger animals from boats out at sea. [122] People from Norway started hunting whales around 4,000 years ago, and people from Japan began hunting whales in the Pacific at least as early as that. [123]
The park's blue holes contain various unique cavefish and invertebrates.The park also contains thousands of acres of pine forest, which provide habitat for birds such as the Bahama oriole, great lizard cuckoo, western spindalis, red-legged thrush, black-faced grassquit and Cuban emerald.