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Elasmobranchii is one of the two subclasses of cartilaginous fish in the class Chondrichthyes, the other being Holocephali . Members of the elasmobranchii subclass have no swim bladders, five to seven pairs of gill clefts opening individually to the exterior, rigid dorsal fins, and small placoid scales. The teeth are in several series; the ...
Elasmobranchii is a subclass that includes the sharks and the rays and skates. Members of the elasmobranchii have no swim bladders, five to seven pairs of gill clefts opening individually to the exterior, rigid dorsal fins, and small placoid scales. The teeth are in several series; the upper jaw is not fused to the cranium, and the lower jaw is ...
Reproduction occurs in the winter in offshore waters, while pups are normally born in the warmer and deeper offshore waters where it is harder for humans and predators to reach them. The reproductive cycle begins when females produce several large eggs of yellow coloring, which become fertilized once they pass through the shell gland and are ...
It can grow up to a length of 1 m (3 ft 3 in), and it can weigh more than 2 kg (4.4 lb). [4] It is found primarily over sandy, gravelly, or muddy bottoms from depths of a few metres down to 400 m (1,300 ft). [5] S. canicula is one of the most abundant elasmobranchs in the northeast Atlantic and Mediterranean Sea. The majority of the populations ...
Synechodontiformes (1 C, 2 P) X. Xenacanths (10 P) Pages in category "Elasmobranchii" The following 15 pages are in this category, out of 15 total.
An Indian company says an email informing staff that admitted to burnout had been fired was in reality part of an elaborate ruse to raise awareness over workplace stress.
The legendary actor, 88, known for Butch Cassidy and the Sundance Kid and The Horse Whisperer, originally purchased his four-bedroom home in Tiburon, Calif. with his wife Sibylle Szaggars Redford ...
Uniquely in this family, the narrow sawfish has a relatively fast reproduction rate (generation length about 4.6 years, less than one-third the time of the other species), it has experienced the smallest contraction of its range (30%) and it is one of only two species considered Endangered rather than Critically Endangered by the IUCN. [2]