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Greenland shark at Admiralty Inlet, Nunavut, with an Ommatokoita. The Greenland shark is a thickset species, with a short, rounded snout, small eyes, and small dorsal and pectoral fins. [9] The gill openings are very small for the species' great size. Female Greenland sharks are typically larger than males. [13]
The Greenland shark had been estimated to live to about 200 years, but a study published in 2016 found that a 5.02 m (16.5 ft) specimen was between 272 and 512 years old. [75] [76] That makes the Greenland shark the longest-lived vertebrate. [77] The maximum lifespan of the freshwater pearl mussel (Margaritifera margaritifera) may be 210–250 ...
The rarely seen Greenland shark is a sluggish creature, slowly swimming through the deep waters of the North Atlantic and Arctic oceans. The polar fish is the only species of shark that can ...
Greenland sharks are the longest-living vertebrates in the world, according to NOAA. They can live “at least 250 years” but might reach “over 500 years” in age. Most of the shark’s long ...
Greenland shark (Somniosus microcephalus) - 250 to 500 years; ... The European lobster has an average life span of 31 years for males and 54 years for females.
Somniosus longus Tanaka, 1912 (frog shark) Somniosus microcephalus (Bloch & J. G. Schneider, 1801) (Greenland shark) Somniosus pacificus Bigelow & Schroeder, 1944 (Pacific sleeper shark) Somniosus rostratus A. Risso, 1827 (little sleeper shark) Somniosus sp. A Not yet described (longnose sleeper shark)
Somniosus cheni Hsu, Lin, & Joung, 2020 (Taiwan sleeper shark) Somniosus longus Tanaka, 1912 (frog shark) Somniosus microcephalus Bloch & J. G. Schneider, 1801 (Greenland shark) Somniosus pacificus Bigelow & Schroeder, 1944 (Pacific sleeper shark) Somniosus rostratus Risso, 1827 (little sleeper shark) Somniosus sp. A Not yet described (longnose ...
Ommatokoita elongata is a 30 mm (1.2 in) long pinkish-white parasitic copepod, frequently found permanently attached to the corneas of the Greenland shark and Pacific sleeper shark. [ 3 ] [ 4 ] [ 5 ] The parasites cause severe visual impairment , but it is thought that the sharks do not rely on keen eyesight for their survival. [ 4 ]