Predictions & Data for this entry

Model: abj climate: MA migrate: phylum:
COMPLETE = 2.5 ecozone: MPW food: biP, bjHa, bjCi class:
MRE = 0.069 habitat: 0jMcp, jiMb gender: D order:
SMSE = 0.015 embryo: Mp reprod: O family:

Zero-variate data

Data Observed Predicted (RE) Unit Description Reference
tj 72 71.1 (0.01253) d time since birth at metam guess
am 4380 4357 (0.005253) d life span YatsNaka2004
Lp 4 2.888 (0.2781) cm test diameter at puberty YatsNaka2004
Li 6.7 7.373 (0.1005) cm ultimate test diameter YatsNaka2004
Wwb 2.68e-07 2.673e-07 (0.002641) g wet weight at birth guess
Wwi 128.6 129.7 (0.008783) g ultimate wet weight YatsNaka2004
GSI 0.107 0.108 (0.009574) g/g gonado somatic index YatsNaka2004

Uni- and bivariate data

Data Figure Independent variable Dependent variable (RE) Reference
tL_S Data from Sargassum, Corallina area time test diameter (0.08517) YatsNaka2004
tL_C Data from Sargassum, Corallina area time test diameter (0.1242) YatsNaka2004

Pseudo-data at Tref = 20°C

Data Generalised animal Heliocidaris crassispina Unit Description
v 0.02 0.01911 cm/d energy conductance
p_M 18 9.573 J/d.cm^3 vol-spec som maint
k_J 0.002 0.001048 1/d maturity maint rate coefficient
k 0.3 0.2588 - maintenance ratio
kap 0.8 0.8962 - allocation fraction to soma
kap_G 0.8 0.7962 - growth efficiency
kap_R 0.95 0.95 - reproduction efficiency
s_s 0.01 0.001612 - supply stress

Facts

  • It mostly feeds on the red leafy alga Acrosorium polyneurum between December and March at the times of year when it is abundant, and migrating to areas of crustose coralline algae at other times of year when the red alga is scarce (Ref: Wiki)

Bibliography

Citation