Galaxias maculatus (Common galaxias):  

Predictions & Data for this entry

Model:  abj  

MRE = 0.103
SMSE = 0.114

Zero-variate data
am1643 1644 (0.000886)dlife spanBonn1990
Lb0.7 0.4823 (0.311)cmtotal length at birthWiki
Lp6.5 6.464 (0.005493)cmtotal length at puberty for femalesguess
Li 19 20.46 (0.0769)cmultimate total length for femalesfishbase
Wwb0.00052 0.0005543 (0.06591)gwet weight at birthWiki
Ri36.99 35.94 (0.02817)#/dmax reprod ratefishbase
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tL_Ez see Fig. 1 (0.2063)time since birthtotal lengthBarrBatt2012
tL_Mo see Fig. 1 (0.09878)time since birthtotal lengthBarrBatt2012
tL_ME see Fig. 1 (0.07253)time since birthtotal lengthBarrBatt2012
tL_MW see Fig. 1 (0.05748)time since birthtotal lengthBarrBatt2012
tL_Gu see Fig. 1 (0.1448)time since birthtotal lengthBarrBatt2012
LW see Fig. 2 (0.1622)total lengthwet weightBoyMorr2007
Pseudo-data at Tref
DataGeneralised animalGalaxias maculatusUnitDescription
v 0.02 0.02094cm/denergy conductance
kap 0.8 0.7192-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 22.04J/^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.8015-growth efficiency


  • Temperature 5 till 16 C (ref: weather)
  • Inhabits almost the full Gondwana area; typically in sea as early juveniles for 3-6 months, retuning to fresh water at 3 to 5.5 cm length (ref: Wiki)


  • males are assumed to differ from females by {p_Am} only


  • [Wiki]
  • [fishbase]
  • [weather]
  • [BarrBatt2012] J. P. Barriga, M. A. Battini, M. Garcia-Asorey, C. Carrea, P. J. Macchi, and V. E. Cussac. Intraspecific variation in diet, growth, and morphology of landlocked Galaxias maculatus during its larval period: the role of food availability and predation risk. Hydrobiologia (2012) 679:, 679, 2012.
  • [Bonn1990] M. L. Bonnett. Age and growth of alpine galaxias (Galaxias paucispondylus Stokell) and longjawed galaxias (G. prognathus Stokell) in the Rangitata River, New Zealand. New Zealand Journal of Marine and Freshwater Research, 24, 1990.
  • [BoyMorr2007] C. C. Boy, E. Morriconi, and J. Calvo. Reproduction in puyen, Galaxias maculatus (Pisces: Galaxiidae), in the southernmost extreme of distribution. J. Appl. Ichthyol., 23, 2007.
  • [Kooy2010] S.A.L.M. Kooijman. Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge, 2010.

Bibtex files with references for this entry

Bas Kooijman, 2017/03/27

accepted: 2017/03/27

refer to this entry as: AmP Galaxias maculatus version 2017/03/27