Predictions & Data for this entry

Model: abj climate: MC migrate:
COMPLETE = 2.5 ecozone: MANE food: bjPz, jiCih
MRE = 0.119 habitat: 0jMp, jiMb gender: Hh
SMSE = 0.210 embryo: Mp reprod: O

Zero-variate data
ab 20 20.01 (0.0006447)dage at birthRive1978
tj 80 69.99 (0.1251)dtime since birth at pubertyFoli1993
tp 90 91.12 (0.01243)dtime since birth at pubertyguess
am125 124.9 (0.000743)dlife spanFoli1993
Lj0.5 0.6082 (0.2163)cmtotal length at metamFoli1993
Lp 1 0.9893 (0.01066)cmtotal length at pubertyFoli1993
Li2.3 2.378 (0.03395)cmultimate total lengthFoli1993
Wwb2.145e-06 2.135e-06 (0.004636)gwet weight at birthRive1978
Wwi0.14 0.1419 (0.01365)gultimate wet weightguess
Ri256 254.2 (0.006955)#/dmaximum reprod rateChri1977
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tL see Fig. 1 (0.3279)time since birthtotal lengthFoli1993
LJX see Fig. 2 (0.7041)total lengthfeeding rateFoli1993
Tab see Fig. 3 (0.09105)time since birthtime till metamRive1978
Pseudo-data at Tref
DataGeneralised animalCuthona nanaUnitDescription
v 0.02 0.002531cm/denergy conductance
kap 0.8 0.7196-allocation fraction to soma
kap_R 0.95 0.475-reproduction efficiency
p_M 18 1716J/^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.8003-growth efficiency


  • Feeds on hydroid Hydractinia echinata (0.018 mg/ polyp) large individuals eat polyps, small ones mat material (stolons) (ref: Wiki)
  • max length at Gerrish Island 1.2 cm, Gosport Harbor 2.3 cm (ref: Wiki)
  • survives 16 C with 2 water refreshments/d (ref: Rive1978)
  • up to 16 egg masses in lab of 300-600 eggs, first and last smaller. Veliger larva do not swim freely and metaphose wihtin 1 or 2 d (ref: Rive1978)
  • Adult specimens of C. nana kept without food in Millipore-filtered sea water continued to lay egg masses for up to ten days. The size and activity of the adults progressively diminished during that time, but some starved individuals survived for 17 days. They laid several egg masses in the first few days of isolation, but the frequency of oviposition and the number of eggs per spawn decreased with time. Mean egg diameter did not vary, and the rate and events of larval development and metamorphosis proceeded normally in the presence or absence of H. echinata. (ref: Rive1978)
  • hermaphrodite (ref: Wiki)


  • [Wiki]
  • [marinelife]
  • [Chri1977] H. E. Christensen. Feeding and reproduction in Precuthona peachi (Mollusca: Nidubranchia). Ophelia, 16:131--142, 1977.
  • [Foli1993] N. C. Folino. Feeding and growth of the aeolid nudibranch Cuhona nana (Alder and Hancock, 1842). J. Moll. Stud., 59:15--22, 1993.
  • [Kooy2010] S.A.L.M. Kooijman. Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge, 2010.
  • [Rive1978] B. R. Rivest. Development of the eolid nudibranch Cuthona nana (Alader and Hancock, 1842), and its relationship with a hydroid and hermit crab. Biol. Bull., 154:157--175, 1978.

Bibtex file with references for this entry

Bas Kooijman, 2012/12/25 (last modified by Bas Kooijman 2015/12/29)

accepted: 2016/01/10

refer to this entry as: AmP Cuthona nana version 2016/01/10