Predictions & Data for this entry

Model: abj climate: A, B, C, D migrate: phylum:
COMPLETE = 2.9 ecozone: TH, TN, TP, TA food: biB, biD class:
MRE = 0.302 habitat: 0iT gender: Hsmm order:
SMSE = 0.333 embryo: Ts reprod: O family:

Zero-variate data
ab0.4583 0.1474 (0.6785)dage at birthByerCassa1976
tp2.708 3.031 (0.119)dtime since birth at pubertyByerCassa1976
am 21 10.72 (0.4898)dlife spanByerCassa1976
Lb0.025 0.01333 (0.4666)cmtotal length at birthByerCassa1976
Lp0.106 0.05919 (0.4416)cmtotal length at pubertyByerCassa1976
Li0.14 0.09202 (0.3427)cmultimate total lengthByerCassa1976
Wwb0.024 0.01787 (0.2556)mugwet weight at birthByerCassa1976
Wwp1.8 1.563 (0.1316)mugwet weight at pubertyByerCassa1976
Wwi4.3 5.873 (0.3658)mugultimate wet weightByerCassa1976
Ri218 57.44 (0.7365)#/dmaximum reprod rateByerCassa1976
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tL see Fig. 1 (0.07868)time since birthlengthGous2011
tL_16 see Fig. 2 (0.1108)time since birthlengthByerCassa1976
tL_20 see Fig. 2 (0.09644)time since birthlengthByerCassa1976
tL_25 see Fig. 2 (0.1322)time since birthlengthByerCassa1976
tR_16 see Fig. 3 (20.76)time since birthreprod rateByerCassa1976
tR_20 see Fig. 3 (24.53)time since birthreprod rateByerCassa1976
tR_25 see Fig. 3 (20.22)time since birthreprod rateByerCassa1976
tS see Fig. 4 (0.08357)time since birthfraction aliveSutpKaeb2009
Pseudo-data at Tref
DataGeneralised animalCaenorhabditis elegansUnitDescription
v 0.02 0.0893cm/denergy conductance
kap 0.8 0.85-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 2652J/^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.8086-growth efficiency


  • Hatched larvae develop through 4 stages or molts (ref: Wiki)
  • Males and hermaphrodites exist. Hermaphrodites first produce sperm in stage 4, then eggs only (ref: Wiki)


  • L^3/W varies over a factor 35
  • puberty correcponds with start of female function


  • [Wiki]
  • [ByerCassa1976] L. Byerly, R. C. Cassada, and R. L. Russell. The life cycle of the nematode Caenorhabditis elegans: I. Wild-type growth and reproduction. Developmental Biology, 51(1):23--33, 1976.
  • [Gous2011] Benoit Goussen, 2011. Original data.
  • [Kooy2010] S.A.L.M. Kooijman. Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge, 2010.
  • [SutpKaeb2009] Sutphin G. L. and Kaeberlein M. Measuring Caenorhabditis elegans life span on solid media. JoVE, 27, 2009.

Bibtex file with references for this entry

Benoit Goussen, 2011/03/18 (last modified by Bas Kooijman 2016/01/07)

accepted: 2016/01/10

refer to this entry as: AmP Caenorhabditis elegans version 2016/01/10