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ertaining to fishes of the genus Scopelus, or family Scopelodæ, which includes many small oceanic fishes, most of which are phosphorescent. -- n. (Zoöl.)

A genus of oceanic nudibranchiate mollusks having the small branched gills situated on the upper side of four fleshy lateral lobes, and on the median caudal crest.

Any one of numerous species of long-winged oceanic birds of the genus Puffinus and related genera. They are allied to the petrels, but are larger. The Manx shearwater (P. Anglorum), the dusky shearwater (P. obscurus), and the greater shearwater (P. major), are well-known species of the North Atlantic. See Hagdon.…

A very large oceanic plectognath fish (Mola mola, Mola rotunda, or Orthagoriscus mola) having a broad body and a truncated tail.

A very large oceanic fish (Xiphias gladius), the only representative of the family Xiphiidæ. It is highly valued as a food fish. The bones of the upper jaw are consolidated, and form a long, rigid, swordlike beak; the dorsal fin is high and without distinct spines; the ventral fins are absent. The adult is destitute of…

A large oceanic fish (Elops saurus) found in the tropical parts of all the oceans. It is used chiefly for bait.

or pertaining to the tropics; tropical. Tropic bird (Zoöl.), any one of three species of oceanic belonging to the genus Phaëthon, found chiefly in tropical seas. They are mostly white, and have two central tail feathers very long and slender. The yellow-billed tropic bird. Phaëthon flavirostris (called also boatswain)…

Any one of several species of large oceanic fishes belonging to the Mackerel family, especially the common or great tunny (Orcynus or Albacora thynnus) native of the Mediterranean Sea and the Atlantic Ocean. It sometimes weighs a thousand pounds or more, and is extensively caught in the Mediterranean. On the American c…

Any species of oceanic Siphonophora belonging to the genus Velella.