Predictions & Data for this entry

Model: abj climate: MA migrate: phylum:
COMPLETE = 2.5 ecozone: MAW, MAg food: bjPz, jiCi, jiCvf class:
MRE = 0.168 habitat: 0iMr gender: D order:
SMSE = 0.054 embryo: Mc reprod: Os family:

Zero-variate data

Data Observed Predicted (RE) Unit Description Reference
ab 50 26.36 (0.4727) d age at birth HanlWolt1989
am 518 548 (0.05789) d life span HanlWolt1989
Lp 8 8.097 (0.01209) cm mantle length at puberty HanlWolt1989
Wwb 0.127 0.1345 (0.05888) g wet weight at birth HanlWolt1989
Wwi 1500 1569 (0.04626) g wet weight at death Wiki
Ni 955 976.9 (0.02296) # cum reprod at death HanlWolt1989

Uni- and bivariate data

Data Figure Independent variable Dependent variable (RE) Reference
tL time since birth mantle length (0.2358) HanlWolt1989
tW time since birth wet weight (0.1688) HanlWolt1989

Pseudo-data at Tref = 20°C

Data Generalised animal Octopus briareus Unit Description
v 0.02 0.016 cm/d energy conductance
p_M 18 355.7 J/d.cm^3 vol-spec som maint
k_J 0.002 0.002 1/d maturity maint rate coefficient
k 0.3 0.0308 - maintenance ratio
kap 0.8 0.9719 - allocation fraction to soma
kap_G 0.8 0.802 - growth efficiency
kap_R 0.95 0.95 - reproduction efficiency

Discussion

  • z is not well-fixed by data, size ultimate size is much larger than size at death
  • males are assumed not to differ from females

Facts

  • semelparous: death at first spawning (Ref: HanlWolt1989)
  • No planktontic larval stage; strongly cannibalistic (Ref: HanlWolt1989)

Bibliography

Citation