Gibbula umbilicalis (Flat top shell):  

Predictions & Data for this entry

Model:  abj  

MRE = 0.042
SMSE = 0.057

Zero-variate data
tp549 554.5 (0.01002)dtime since birth at pubertyNoke2016
am730 730 (3.838e-05)dlife spanDonnBrun2016
Lp0.85 0.8409 (0.01067)cmshell width at puberty for femaleWill1964
Li2.2 2.332 (0.06006)cmultimate shell widthWiki
Wwb3.1e-06 3.103e-06 (0.001102)gwet weight at birthNoke2016
Ww10.23 0.2296 (0.001584)gwet weight at shell width 1 cmRobiGree2010
Ri27.4 27.42 (0.0008821)#/dreproduction rate at 2 cmguess
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tL0 see Fig. 1 (0.1534)time since 1961/02/01shell widthWill1964
tL1 see Fig. 1 (0.1385)time since 1961/02/01shell widthWill1964
tL2 see Fig. 1 (0.04753)time since 1961/02/01shell widthWill1964
Pseudo-data at Tref
DataGeneralised animalGibbula umbilicalisUnitDescription
v 0.02 0.02065cm/denergy conductance
kap 0.8 0.9834-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 26.58J/^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.8013-growth efficiency


  • The creation of this entry was supported by the Norwegian Science Council (NFR 255295)


  • [Wiki]
  • [Wiki_nl]
  • [marlin]
  • [DonnBrun2016] L. Donnarumma, R. Bruno, and A. Terlizziand G. F. Russo. Population ecology of Gibbula umbilicaris and Gibbula ardens (Gastropoda: Trochidae) in a Posidonia oceanica seagrass bed. Italian Journal of Zoology, 83:103--112, 2016.
  • [Kooy2010] S.A.L.M. Kooijman. Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge, 2010.
  • [Lebo1937] M. V. Lebour. The eggs and larvae of the british prosobranchs with special reference to those living in the plankton. J. Mar. Biol. Ass. UK, 22:105--116, 1935.
  • [Noke2016] R. Noke. What is driving the range extension of Gibbula umbilicalis (Gastropoda, Trochidae) in the eastern English Channel? PhD thesis, Bournemouth University, 2016.
  • [RobiGree2010] L. A. Robinson, S. P. R. Greenstreet, H. Reiss, R. Callaway, J. Craeymeersch, I. de Boois, S. Degraer, S. Ehrich, H. M. Fraser, A. Goffin, I. Kroncke, L. L. Jorgenson, M.R. Robertson, and J. Lancaster. Length-weight relationships of 216 North Sea benthic invertebrates and fish. J. Mar. Biol. Ass. UK, 90:95--104, 2010.
  • [Will1964] E. E. Williams. The growth and distribution of Gibbula umbilicalis (Da Costa) on a rocky shore in Wales. Journal of Animal Ecology, 33:433--442, 1964.

Bibtex files with references for this entry

Bas Kooijman, Starrlight Augustine, 2017/02/12

accepted: 2017/02/12

refer to this entry as: AmP Gibbula umbilicalis version 2017/02/12