Palaemonetes varians (Common ditch shrimp):  

Predictions & Data for this entry

Model:  abj  

MRE = 0.011
SMSE = 0.017

Zero-variate data
ab 20 19.99 (0.0002681)dage at birthguess
tp 40 40.89 (0.02236)dtime since birth at pubertyguess
am400 399.9 (0.0002288)dlife spanguess
Lp1.9 1.893 (0.003634)cmtotal length at pubertyguess
Li5.2 5.222 (0.004138)cmultimate total lengthsealifebase
Wwb0.000274 0.000274 (0.0001301)gwet weight at birthOlip2013
Wwp0.058 0.05752 (0.008295)gwet weight at pubertyguess
Wwi1.2 1.207 (0.005778)gultimate wet weightguess
Ni150 150.3 (0.001731)#life time reprod outputsealifebase
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tW see Fig. 1 (0.0132)timewet weightPalmBure2008
Ttj see Fig. 2 (0.06569)temperaturelarval durationOlipHaut2013
Pseudo-data at Tref
DataGeneralised animalPalaemonetes variansUnitDescription
v 0.02 0.02194cm/denergy conductance
kap 0.8 0.9953-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 291.8J/^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.8004-growth efficiency


  • Brackish water species (ref: Wiki)
  • For increasing temperature, 4 instars are more common then 5 instars (ref: OlipHaut2013)


  • [Wiki]
  • [sealifebase]
  • [Kooy2010] S.A.L.M. Kooijman. Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge, 2010.
  • [Olip2013] A. Oliphant. Decapod crustacean larval developmental plasticity and the evolution of lecithotrophy and abbreviated development. PhD thesis, University of Southhamtpon; Faculty of Natural and Environmental Sciences; Ocean and Earth Science, 2013.
  • [OlipHaut2013] A. Oliphant, C. Hauton, and S. Thatje. The implications of temperature-mediated plasticity in larval instar number for development within a marine invertebrate, the shrimp Palaemonetes varians. PLOS ONE, 8:e75785, 2013.
  • [PalmBure2008] J. Palma, D. P. Bureau, and J. P. Andrade. Effect of binder type and binder addition to artificial diets used for the growth of Palaemonetes varians and Palaemon elegans (Crustacea: Palaemonidae) produced as aquaculture live preys. Aquaculture International, 16:427--436, 2008.

Bibtex files with references for this entry

Bas Kooijman, 2017/08/27

accepted: 2017/08/27

refer to this entry as: AmP Palaemonetes varians version 2017/08/27