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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]
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.
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 ]
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 ...
The Registry of World Record Size Shells is a conchological work listing the largest (and in some cases smallest) verified shell specimens of various marine molluscan taxa.A successor to the earlier World Size Records of Robert J. L. Wagner and R. Tucker Abbott, it has been published on a semi-regular basis since 1997, changing ownership and publisher a number of times.
There are four recognized species according to World Register of Marine Species: [1] Thromidia brycei Marsh, 2009 – Western Australia; Thromidia catalai Pope & Rowe, 1977 – West Pacific; Thromidia gigas (Mortensen, 1935) – South-west Indian ocean; Thromidia seychellesensis Pope & Rowe, 1977 – Seychelles
Underside of a sunflower sea star. Sunflower sea stars can reach an arm span of 1 m (3.3 ft). They are the heaviest known sea star, weighing about 5 kg. [4] They are the second-biggest sea star in the world, second only to the little known deep water Midgardia xandaros, whose arm span is 134 cm (53 in) and whose body is 2.6 cm (roughly 1 inch) wide. [7]
Thursday was a special night for Go-Big Show contestant Professor Splash, as he attempted to set a new world record. The 60-year-old, whose real name is Darren Taylor, attempted to dive from very ...