Predictions & Data for this entry

Model: std climate: MB migrate: phylum:
COMPLETE = 2.5 ecozone: MPE food: biCi class:
MRE = 0.042 habitat: 0iMpe gender: D order:
SMSE = 0.002 embryo: Mv reprod: O family:

Zero-variate data

Data Observed Predicted (RE) Unit Description Reference
ab 366 379.4 (0.0365) d age at birth ADW
am 8395 8273 (0.01458) d life span MartCail1988
Lb 27 24.88 (0.07868) cm disc width at birth MartCail1988
Lp 67.5 68.23 (0.01078) cm disc width at puberty ADW
Li 158.7 151.6 (0.04445) cm ultimate disc width fishbase
Lim 101.7 107.3 (0.05544) cm ultimate disc width fishbase
Wwi 6.34e+04 6.216e+04 (0.01958) g ultimate wet weight MartCail1988
Wwim 1.678e+04 1.706e+04 (0.01691) g ultimate wet weight MartCail1988
Ri 0.03288 0.03302 (0.004301) #/d maximum reprod rate fishbase

Uni- and bivariate data

Data Figure Independent variable Dependent variable (RE) Reference
tL_f Data for females, males time since birth disc width (0.06194) MartCail1988
tL_m Data for females, males time since birth disc width (0.03266) MartCail1988

Pseudo-data at Tref = 20°C

Data Generalised animal Myliobatis californica Unit Description
v 0.02 0.03315 cm/d energy conductance
p_M 18 17.67 J/d.cm^3 vol-spec som maint
k_J 0.002 0.002 1/d maturity maint rate coefficient
k 0.3 0.5923 - maintenance ratio
kap 0.8 0.821 - allocation fraction to soma
kap_G 0.8 0.7994 - growth efficiency
kap_R 0.95 0.95 - reproduction efficiency

Discussion

  • The cost for milk secretion is added to the investment from the reproduction buffer.
  • Males are supposed to differ from females by {p_Am} only
  • mod_1: males have equal state variables at b, compared to females

Facts

  • length-weight: Ww in g = 0.00389 *(TL in cm)^3.09 (Ref: fishbase)
  • At first, they are enclosed in an egg case while the developing embryos feed on the yolk. After the egg hatches, the pup remains in the oviduct and receives nourishment from a milky secretion (Ref: fishbase)

Bibliography

Citation