This model has been applied to explore feeding and growth of herring larvae during the first month of their live in the North Sea. Prey fields were obtained by combining field sampling with the size-spectra approach. The physiological model was largely based on the physiological model parameterized for herring larvae by Hufnagl and Peck (2011). Two modifications to the original model were applied:

1. a new parameterization of the standard respiration rate  was based on the recent measurements made by Moyano et al. (2018):

   

   where  is larval dry weight [ ] and T is temperature

2. activity multiplicator k was k=2 during the daytime and k=1 during the night following Huebert and Peck (2014)

Akimova, A., Peck, M.A., Börner, G., van Damme, C. and Moyano, M. (2023), Combining modeling with novel field observations yields new insights into wintertime food limitation of larval fish. Limnol Oceanogr. https://doi.org/10.1002/lno.12391

Moyano, M., Illing, B., Christiansen, L. et al. Linking rates of metabolism and growth in marine fish larvae. Mar Biol 165, 5 (2018). https://doi.org/10.1007/s00227-017-3252-4

Huebert KB, Peck MA (2014) A Day in the Life of Fish Larvae: Modeling Foraging and Growth Using Quirks. PLoS ONE 9(6): e98205. https://doi.org/10.1371/journal.pone.0098205

Hufnagl, M., and Peck, M. A. 2011. Physiological individual-based modelling of larval Atlantic herring (Clupea harengus) foraging and growth: insights on climate-driven life-history scheduling. – ICES Journal of Marine Science, 68: 1170–1188.

• the model was applied to simulate larval growth between 5 and 26 mm. It is unclear whether this model provide plausible results for larger larvae or juveniles 
• Following the approach of Hufnagl and Peck, 2011, this model does not include stohasticity in the optimal foraging routine

anna.akimova@thuenen.de