Rhizostoma octopus (Barrel jellyfish):  

Predictions & Data for this entry

Model:  abj  

MRE = 0.059
SMSE = 0.051

Zero-variate data
tp 30 31.65 (0.0549)dtime since birth at puberty of the medusaeguess
am547.5 544.5 (0.005478)dlife span of the medusaeguess
Lb0.45 0.01223 (0.9728)cmbell diameter at birthHolsSotj2007
Lp 12 11.37 (0.0521)cmbell diameter at pubertyguess
Li 90 104.1 (0.1564)cmultimate bell diameterWiki
L76 30 26.98 (0.1006)cmbell diameter at 76 dHolsSotj2007
Wwb5.2e-07 5.427e-07 (0.04369)cmwet weight at birthHolsSotj2007
Wwi3.5e+05 3.348e+05 (0.04353)cmultimate wet weightWiki
Ni7e+11 7.222e+11 (0.03165)#/dcumulated # eggsguess
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tL see Fig. 1 (0.08365)timebell diameterHolsSotj2007
tW_p see Fig. 2 (0.01481)timepolyp wet weightHolsSotj2007
Pseudo-data at Tref
DataGeneralised animalRhizostoma octopusUnitDescription
v 0.02 0.03198cm/denergy conductance
kap 0.8 0.5-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 24.78J/d.cm^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.8019-growth efficiency


  • polyps 2.3-24 mm high (including arms); 1-5 ephyrae per strobila; strobilation 24 d at 10 C; (ref: HolsSotj2007)
  • budding of scyphistomae is rare, especially at low temperatures (ref: HolsSotj2007)
  • Newly liberated ephyrae were able to catch and feed on living Artemia nauplii, and within a few days they could swim well in culture dishes (ref: HolsSotj2007)
  • It is a favourite food of the leatherback turtle (ref: Wiki)


  • Polyps are assumed to differ from medusae by {p_Am} and E_Hp only and by isomorphic growth


  • [Wiki] http://en.wikipedia.org/wiki/Rhizostoma_octopus.
  • [HolsSotj2007] S. Holst, I. Sotje, H. Tiemann, and G. Jarms. Life cycle of the rhizostome jellyfish Rhizostoma octopus (l.) (Scyphozoa, Rhizostomeae), with studies on cnidocysts and statoliths. Mar. Biol., 151:1695--1710, 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, Starrlight Augustine, 2017/10/22

accepted: 2017/10/22

refer to this entry as: AmP Rhizostoma octopus version 2017/10/22 bio.vu.nl/thb/deb/deblab/add_my_pet/