RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook eel Dictionary Thesaurus Medical Financial Acronyms Encyclopedia Wikipedia (as) slippery as an eel Devious, scheming, and untrustworthy—and difficult or impossible to apprehend or pin down.The notorious criminal has pr...
Define glass eel. glass eel synonyms, glass eel pronunciation, glass eel translation, English dictionary definition of glass eel. n. An eel in its transparent, postlarval stage. American Heritage® Dictionary of the English Language, Fifth Edition. Cop
During the spring of 1980 and 1981 systems of buoyed and anchored plankton nets were used on ten nights and at two stations in the Penobscot River (Maine, USA) to determine if and how selective tidal stream transport provided the mechanism for migration up an estuary by glass eels of the ...
Little is known about the transformer stage of the parasitic lampreys, a brief but critical period that encompasses juvenile out-migration from rivers to lakes or oceans to begin parasitic feeding. Information about this life stage could have significant conservation implications for both imperiled and...
migration, and these changes appear to be related to the very different environmental conditions and activities associated with a long migration in the open ocean. These changes may ecologically and physiologically facilitate their oceanic migration through environments that are drastically different from ...
The molecular data, in conjunction with geographic distributions, strongly suggest that the differences in migrational behavior and morphology between American and European eels include an important additive genetic component. Evolutionary hypotheses are advanced to account for the original separation of ...
We examined population traits of yellow American eels from nine sites with similar habitat characteristics in each of four rivers in Maine, U.S.A. Migrating silver eels were also collected to compare sex ratio, age and size at migration among the four rivers. Population density and biomass were...
Estuarine and riverine migration Glass eels utilize selective tidal stream transport (STST); depth selection depends on salinity (McCleave and Kleckner 1982). STST vertical migrations, timed by an endogenous clock, provide successful upstream transport under a variety of flow regimes (Wippelhauser and...
Therefore, they may use a risk-averse strategy that maintains submaximum growth rates to obtain the minimum size necessary to mature and complete the spawning migration while reducing the adverse affects of faster growth rates. We postulate that, in eels, intrinsic growth rates should be considered...
The regressions of fecundity on body length and on body weight of 63 female eels captured at about 45掳N latitude on their spawning migration to the sea were log F=1.2601+2.9642 log L and log F=4.1646+0.9153 log W, where F is fecundity, L is total length (era), and W is total ...