demersal eggs

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• démersal — ● démersal, démersale, démersaux adjectif (anglais demersal, du latin demersus, de demergere, plonger) Se dit des œufs de poisson que leur densité fait tomber vers le fond. ⇒DÉMERSAL, ALE, AUX, adj. ZOOL. Qui ne flotte pas, qui vit sur le fond… …   Encyclopédie Universelle

• demersal — [dē mʉr′səl] adj. 〚< L demersus, pp. of demergere, to submerge < de , DE + mergere, to sink (see MERGE) + AL〛 found on or near the bottom of a sea, lake, etc.; benthic * * * …   Universalium

• demersal — adjective Etymology: Latin demersus (past participle of demergere to sink, from de + mergere to dip, sink) + English 1 al more at merge Date: 1889 living near, deposited on, or sinking to the bottom of the sea < demersal fish eggs > …   New Collegiate Dictionary

• demersal — sinking; bottom (e.g. eggs which sink to the bottom or are deposited on the bottom); dependent on the bottom. Said of fish that live near the bottom of the ocean, of a lake or of a river, but are capable of active swimming. Opposite of pelagic …   Dictionary of ichthyology

• perciform — ▪ fish order Introduction       any member of the order Perciformes, a group of bony fishes with more than 6,000 species placed in about 150 families. The order is the largest group of fishes in the world today. Perciform fishes occur in… …   Universalium

• salmoniform — ▪ fish Introduction       any member of the order Salmoniformes, a diverse and complex group of fishes. The order consists of about 1,000 species in the freshwaters and in the oceans of the world. Included are the familiar trout, salmon, and pike …   Universalium

• teleost — /tel ee ost , tee lee /, adj. 1. belonging or pertaining to the Teleostei, a group of bony fishes including most living species. n. 2. Also called teleostome /tel ee euh stohm , tee lee /. a teleost fish. Also, teleostean. [1860 65; < NL… …   Universalium

• Hickory Shad — ( Alosa mediocris ) is migratory clupeid native to the Atlantic Coast of the eastern United States.Distribution, habitat, and life history Hickory shad range from Florida to Maine, with largest populations occurring in Chesapeake Bay and coastal… …   Wikipedia

• de|mer|sal — «dih MUR suhl», adjective. 1. on, near, or sinking to the bottom: »demersal eggs. 2. living on or near the bottom, as a fish: »shallow waters teeming with cod, haddock, and demersal, or bottom loving fish (Wall Street Journal). ╂[< Latin… …   Useful english dictionary

• Devil's River Minnow — Conservation status Vulnerable (IUCN 2.3) …   Wikipedia

• Australian grayling — Taxobox name = Australian grayling status = VU status system = iucn2.3 regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Osmeriformes familia = Retropinnidae genus = Prototroctes species = P. maraena binomial = Prototroctes… …   Wikipedia