Siren lacertina (Greater siren):  

Predictions & Data for this entry

Model:  std  

MRE = 0.211
SMSE = 0.230

Zero-variate data
ab 60 45.62 (0.2396)dtime since birth at birthADW
tp730 546.8 (0.251)dtime since birth at pubertyADW
am9125 9124 (8.446e-05)dlife spanAnAge
Lb1.6 2.073 (0.2955)cmtotal length at birthLuhr2008
Lp23.5 20.3 (0.136)cmtotal length at pubertyLuhr2008
Li 97 82.12 (0.1534)cmultimate total lengthLuhr2008
Wwp14.2 16.76 (0.1802)gwet weight at pubertyLuhr2008
Wwi1000 1108 (0.1084)gultimate wet weightLuhr2008
Ri3.836 3.838 (0.0004978)#/dmaximum reprod rateLuhr2008
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tL see Fig. 1 (0.1156)time since birthsnout-to-vent lengthLuhr2008
LdL see Fig. 2 (0.6555)snout-to-vent lengthchange in SVLLuhr2008
LdW see Fig. 3 (48.14)snout-to-vent lengthchange in wet weightLuhr2008
LW_SVL see Fig. 4 (0.3967)lengthwet weightLuhr2008
LW_TL see Fig. 4 (0.217)lengthwet weightLuhr2008
Pseudo-data at Tref
DataGeneralised animalSiren lacertinaUnitDescription
v 0.02 0.01211cm/denergy conductance
kap 0.8 0.9531-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 64.52J/^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.8022-growth efficiency


  • Enters a state of aestivation in stream of lake mud to avoid dessication (ref: ADW)
  • Non-aestivating animals are capable of long-term (2.2-5.2 years) persistence without feeding and can survive losses of 45-86


  • Wiki
  • Kooy2010
  • Luhr2008
  • AnAge
  • ADW

Bibtex files with references for this entry

Bas Kooijman, 2017/10/15

accepted: 2017/10/15

refer to this entry as: AmP Siren lacertina version 2017/10/15