Naso hexacanthus (Sleek unicornfish):  

Predictions & Data for this entry

Model:  abj  

MRE = 0.025
SMSE = 0.036

Zero-variate data
am1.643e+04 1.668e+04 (0.01562)dlife spanChoaAxe1996
Lp 45 45.83 (0.01838)cmtotal length at pubertyfishbase
Li 75 72.26 (0.03659)cmultimate total lengthfishbase
Wwb0.00023 0.0002308 (0.00366)gwet weight at birthLeis1989
Wwp3062 3041 (0.006932)gwet weight at pubertyfishbase
Wwi1.211e+04 1.192e+04 (0.01537)gultimate wet weightfishbase
Ri1.096e+04 1.092e+04 (0.003464)#/dmax reprod rateguess
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tL see Fig. 1 (0.1001)time since birthtotal lengthChoaAxe1996
Pseudo-data at Tref
DataGeneralised animalNaso hexacanthusUnitDescription
v 0.02 0.01344cm/denergy conductance
kap 0.8 0.8542-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 9.525J/^3vol-spec som maint
k_J 0.002 0.00053551/dmaturity maint rate coefficient
kap_G 0.8 0.7984-growth efficiency
k 0.3 0.2947-maintenance ratio


  • weight-length relationship: W in g = 2.219e-4 * (SL in mm)^2.691 (ref: ChoaAxe1996)
  • Marine; reef-associated; depth range 0 - 15 m (ref: fishbase)


  • In view of low somatic maintenance, pseudodata k_J = 0.002 1/d is replaced by pseudodata k = 0.3


  • [Wiki]
  • [fishbase]
  • [ChoaAxe1996] J. H. Choat and L. M. Axe. Growth and longevity in acanthurid fishes; an analysis of otolith increments. Mar Ecol Prog Ser, 134:15--26, 1996.
  • [Kooy2010] S.A.L.M. Kooijman. Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge, 2010.
  • [Leis1989] J. M. Leis. Larval biology of butterflyfishes (Pisces, Chaetodontidae): What do we really know? Envir. Biology of Fishes, 25:87--100, 1989.

Bibtex files with references for this entry

Bas Kooijman, 2017/04/10

accepted: 2017/04/10

refer to this entry as: AmP Naso hexacanthus version 2017/04/10