Plecoglossus altivelis altivelis (late larval stage) アユ 은어 ,,Encountered by observing Ichthyoplankton using fishing light in the surface layer Ulsan,,Korea,, +size not checked ; approximately ca. 30-35mmTL : ,,december, 2018, ========================================================================================== The appendage attached to the caudal fin is not the caudal fin ray filament but something else attached to it.
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