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Deep sea exploration apparatus, 1910. The sounding weight, one of the first instruments used for the sea bottom investigation, was designed as a tube on the base which forced the seabed in when it hit the bottom of the ocean.
Gelidium are widely distributed globally, specifically in tropical to temperate regions, but lacking in polar regions. [6] In the ocean, Gelidium can be found inhabiting the intertidal to subtidal zone. [7]
While it covers only 1.6% of the planet's oceanic area, the region has 76% of all known coral species in the world. As a habitat for 52% of Indo-Pacific reef fishes and 37% of the world's reef fishes, it contains the greatest diversity of coral reef fishes in the world [17] More than 3,000 species of bony fish are distributed over more than 90% of the Coral Triangle.
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]
The Japanese spider crab (Macrocheira kaempferi) is a species of marine crab and is the biggest one that lives in the waters around Japan.At around 3.7 meters, it has the largest leg-span of any arthropod.
Undang-Undang Laut Melaka (Malay for 'Maritime laws of Melaka', Jawi: اوندڠ٢ لا ء وت ملاک ) was a legal code of Melaka Sultanate (1400–1511) that deals specifically on matters related to maritime laws and regulations, as well as nautical procedures concerning seafaring affairs of merchant vessels.