It feeds primarily on zooplankton and possibly on nanoplankton ( such as algae and diatoms ).
2.
The high efficiency of this method allows larvaceans to feed on much smaller nanoplankton than most other filter feeders.
3.
:: : Another issue : apparently picoplankton and nanoplankton pass right through plankton nets, and only microplankton are usually caught; but it is the former two that make up most of the biomass.
4.
The top is also close to the extinction level of the calcareous nanoplankton species " Triquetrorhabdulus rugosus " ( the base of biozone CN10b ) and the first appearance of nanoplankton " Ceratolithus acutus ".
5.
The top is also close to the extinction level of the calcareous nanoplankton species " Triquetrorhabdulus rugosus " ( the base of biozone CN10b ) and the first appearance of nanoplankton " Ceratolithus acutus ".
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