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A newly hatched salmon or trout that is still attached to the yolk sac.

[French, from Old French, from Vulgar Latin *adlevīmen, alteration (influenced by Latin nūtrīmen, nourishment) of Vulgar Latin *adlevāmen, from *adlevāre, to raise (a child, an animal), alteration (influenced by Late Latin ēlevāre, to raise (a child, an animal)) of Latin allevāre, to lift up : ad-, al-, ad- + levāre, to lift, raise; see lever.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Animals) a young fish, esp a young salmon or trout
[C19: from French, from Old French alever to rear (young), from Latin levāre to raise]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The management of iWF is of low governance for the fishery sector, where it is limited to the optimal use of the inputs: eggs (or roe and alevin), concentrated food and energy.
Effect of low salinity on yolk sac absorption and alevin wet weight of rainbow trout larvae (Oncorhynchus mykiss).
Se le atribuyen mortalidades en la fase de alevin de hasta el 100% y de 10 a 20% en post-smolts luego de su traspaso a jaulas en el mar (Evensen & Santi, 2008).
The alevin and fry stages take place in freshwater, and the salmon then migrate to the sea and there is ontogenetic remodeling known as smoltification, which entails shifts in the visual pigments from porphyropsin dominant to rhodopsin dominant.
YESTERDAY'S SOLUTION: alevin; alive; anvil; evil; gave; gavel; genitival; give; given; glaive; invite; lave; laving; leaving; levant; levin; live; liven; living; naive; native; nave; navel; nival; vail; vailing; vain; vale; valet; valeting; valine; vane; vang; veal; vegan; veil; veiling; vein; venal; venial; vent; ventil; vial; vigil; vigilant; VIGILANTE; vile; vina; vine; vintage; vital.