Two New Searsid Fishes of the Genera Maulisia and Searsia (Pisces: Salmoniformes)
A new Maulisaia and a new species of Searsia are described. Maulisia argipalla new species differs from M. mauli in vertebral number, shape of the thoracic light organ, and in the relative size of the supraorbital bone. M. mauli is known only from the eastern North Atlantic. M. argipalla has been taken in the North Atlantic and the eastern Pacific. The genus Maulisia is characterized, and M. micralepis Sazonov and Golovanj 1976 and M. acuticeps Sazonov 1976 are excluded from it. Searsiaides Sazonov 1977 is placed in the synonymy of Searsia Parr 1937. Searsiaides multispinus Sazonov 1977, the type species, is included in Searsia on the basis of the possession of photophores and the lack of a lateral line canal that is lined by modified soles and the lack of a shoulder pit or dermal pit behind the shoulder girdle. Searsia calvala new species from the Halmahera Sea is described. S. calvala and S. multispinus jointly differ from S. kaefoedi in having a cleithral spine, and in the configuration of the posttemporal bone, and from each other in gillraker and scale number, position of the dorsal and anal fins, and presence or absence of scales on the pectoral base.
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Document Type: Research Article
Publication date: January 1, 1979
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