Oikopleura longicauda (Sea-squirt):  

Predictions & Data for this entry

Model:  std  

MRE = 0.066
SMSE = 0.138

Zero-variate data
ab0.33 0.3309 (0.002678)dage at birth FenaGors1983
am 8 8.051 (0.006432)dlife span FenaGors1983
NR164.6 163.3 (0.008379)#total number of eggs at deathLombScia2009
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
aL see Fig. 1 (0.04223)time since birthtrunc lengthFenaGors1983
aLR see Fig. 2 (0.07257)time since birthtotal trunc lengthFenaGors1983
aWd see Fig. 3 (0.2619)time since birthdry weightFenaGors1983
Pseudo-data at Tref
DataGeneralised animalOikopleura longicaudaUnitDescription
v 0.02 0.042cm/denergy conductance
kap 0.8 0.2-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 1300J/d.cm^3vol-spec som maint
k_J 0.002 0.0011/dmaturity maint rate coefficient
kap_G 0.8 0.6852-growth efficiency


  • Produces a new house each 2 h (marine snow) (ref: Wiki)
  • dies at first spawning (ref: Wiki)


  • Reprod buffer builds up on trunk, so the basis growth with L^2, and contribution to total trunc length with N/L^2
  • Allocation to reproduction starts at birth, so E_Hp = E_Hb


  • [Wiki] http://en.wikipedia.org/wiki/Oikopleura.
  • [FenaGors1983] R. Fenaux and G. Gorsky. Cycle vital et croissance de l'appendiculaire Oikopleura longicauda. Annu. Inst. Oceanogr., 59:107--116, 1983.
  • [Kooy2010] S.A.L.M. Kooijman. Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge, 2010.
  • [LombScia2009] F. Lombard, A. Sciandra, and G. Gorsky. Appendicularians ecophysiology. ii. Reproducing clearance, growth, respiration and particles production of the appendicularian Oikopleura dioica by modeling its ecophysiology. Journal of Marine Systems, 78:617--629, 2009.

Bibtex files with references for this entry

Bas Kooijman, 2011/10/21

accepted: 2016/03/11

refer to this entry as: AmP Oikopleura longicauda version 2016/03/11 bio.vu.nl/thb/deb/deblab/add_my_pet/