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Bathyraja chapmani, commonly known as Chapman's skate, is a species of deep-sea skate in the family Arhynchobatidae. This species was described in 2022 by D.A. Ebert, J. Alfaro-Shigueto, X. Velez-Zuazo, M. Pajuelo, and J.C. Mangel.
The impulses put out by the electric organs of the skate are considered to be weak, asynchronous, long-lasting signals. [15] Although the anatomy of the skate's electric organ is well described, its function is poorly understood. Some research suggests the electric impulses are too weak to be a mechanism used for defense or hunting.
Halobates or sea skaters are a genus with over 40 species of water striders. Most Halobates species are coastal and typically found in sheltered marine habitats (a habitat where a few other genera of water striders also live), but five live on the surface of the open ocean and only occur near the coast when storms blow them ashore.
Bathyraja andriashevi Dolganov, 1985 (Little-eyed skate) Bathyraja bergi Dolganov, 1983 (Bottom skate) Bathyraja brachyurops (Fowler, 1910) (Broadnose skate) Bathyraja chapmani Ebert, Alfaro-Shigueto, Velez-Zuazo, Pajuelo & Mangel, 2022 [3] (Chapman's skate) Bathyraja cousseauae Díaz de Astarloa & Mabragaña, 2004 (Joined-fins skate)
The deepsea skate (Bathyraja abyssicola) is a species of softnose skate, in the family Arhynchobatidae, found in deep water from 362 to 2,906 m, usually on the continental slope. They are distributed from off northern Baja California around Coronado Island and Cortes Bank , north to the Bering Sea , and west to Japan.
Caliraja rhina, commonly known as the longnose skate, is a species of skate in the family Rajidae from the northeast Pacific. It is found from the eastern Bering Sea and Alaska to Baja California and the Gulf of California. The longnose skate is found at depths of 9–1,069 m (30–3,507 ft) and often deeper than the big skate.
Raja clavata, the thornback ray (or thornback skate, roker), was named by Carl Linnaeus in the 10th edition of Systema Naturae in 1758, in the genus Raja of the Order Rajiformes in the Family Rajidae. [2] It is one of about 13 species of skate (family Rajidae) that are known from the North Sea and adjacent Atlantic waters.
The egg capsule of a big skate is the largest of any skate, measuring 23–31 cm (9–12 in) long and 11–19 cm (4–7 in) wide. Each capsule is oblong in shape and has a highly arched dorsal surface, nearly flat ventral surface, and parallel lateral edges that become somewhat concave towards the center of the case.