osmerus mordax การใช้

The fish was competition with the introduced rainbow smelt, " Osmerus mordax ".
The introduced alewife ( " Alosa pseudoharengus " ) and rainbow smelt ( " Osmerus mordax " ) are also aggressive predators of juveniles.
The pygmy smelt coexists with the rainbow smelt " Osmerus mordax ", and is distinguished from it by slower growth, earlier maturation, shorter life span, later spawning time, and use of smaller food items.
The "'rainbow smelt "'( " Osmerus mordax " ) is a species of fish of the L . sicilis " ), and other small organisms, but are aggressive and will eat almost any fish they find.
The reduced abundance is believed to result from the cumulative effects of several factors, including the expansion of non-native species such as alewife, rainbow smelt ( " Osmerus mordax " ) and sea lamprey ( " Petromyzon marinus " ).