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The largest specimen from Tagus Cove in the Galapagos Islands had a radius, measured from the centre of the disc to the tip of the arms, of 41.5 centimetres (16.3 in). Its other dimensions were a disc radius of 4.5 centimetres (1.8 in), a maximum arm width of 6 centimetres (2.4 in) and a longest spine of 1.5 centimetres (0.59 in). [ 2 ]
Thromidia gigas is a species of starfish in the family Mithrodiidae. It was described by Ole Theodor Jensen Mortensen in 1935. [1] It lives in the Indian Ocean off the coast of eastern South Africa and southern Madagascar. [1] [2] This species is probably the largest echinoderm in terms of bulk, and may exceed 13 pounds (5.9 kg). [3]
Starfish Prime was a high-altitude nuclear test conducted by the United States, a joint effort of the Atomic Energy Commission (AEC) and the Defense Atomic Support Agency. It was launched from Johnston Atoll on July 9, 1962, and was the largest nuclear test conducted in outer space, and one of five conducted by the US in space.
For the first time ever, scientists have recorded an elusive species of sea star feeding in its natural habitat, and the creature looks ... oddly delicious. Scientists capture bizarre deep-sea ...
It looks like this shark is straight out of the movie "Jaws." Marine biologist Hoyos Padilla recorded this incredible footage showing the biggest shark ever caught on camera, which is 20 feet long.
Thromidia catalai is one of the largest and heaviest starfishes in the world. It is reported to weigh as much as 6 kg (13 lb) and have a diameter of 60 to 65 cm (24 to 26 in). [ 3 ] This species was first described by the Australian biologists E. C. Pope and F. W. E. Rowe in 1977, the type locality being New Caledonia.
NASA's James Webb Space Telescope (JWST) has captured photos of one of the earliest supernovas ever seen, with features appearing like grains and knots found in a cut of wood. "Once upon a time ...
Thromidia is a genus of starfish in the family Mithrodiidae. [1] Description and characteristics