Amphiura filiformis (Long-armed burrowing brittlestar):  

Predictions & Data for this entry

Model:  abj  

MRE = 0.113
SMSE = 0.102

Zero-variate data
ah1.5 1.575 (0.04989)dage at hatchingDupoThor2009
ab 2 1.985 (0.00742)dage at birthDupoThor2009
aj 17 15.37 (0.09609)dage at metamorphosisDupoThor2009
ap1095 1269 (0.1588)dage at puberty Muus1981, OckeMuus1978
am9125 9125 (1.742e-05)dlife span Muus1981, OckeMuus1978
Lh0.0075 0.006703 (0.1062)cmtotal length at hatchingDupoThor2009
Lb0.0075 0.007248 (0.03361)cmtotal length at birthDupoThor2009
Lj0.0325 0.03771 (0.1604)cmtotal length at metamorphosisMuus1981
Lp0.138 0.1809 (0.3108)cmoral width at puberty Muus1981, JoseJens1992
Li0.29 0.2213 (0.2369)cmultimate oral widthOConBown1983
Wwb5.236e-07 5.338e-07 (0.01953)gwet weight atb birthguess
Wwp4.776 3.84 (0.196)gwet weight at puberty Muus1981, JoseJens1992
Wwi5.846 7.029 (0.2023)gultimate wet weight Muus1981, JoseJens1992
Ri806.5 805.4 (0.001338)#/dmaximum reprod rateOConBown1983
Pseudo-data at Tref
DataGeneralised animalAmphiura filiformisUnitDescription
v 0.02 0.0304cm/denergy conductance
kap 0.8 0.9915-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 41.51J/^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.8019-growth efficiency


  • Lives in sediment and sticks 2 arms out in the water, which tips can be snapped off (ref: Wiki)



  • Wiki
  • Kooy2010
  • DupoThor2009a
  • Muus1981
  • DupoThor2009
  • OckeMuus1978
  • JoseJens1992
  • CareDupo2014
  • OConBown1983

Bibtex files with references for this entry

Christina Wood, 2017/05/17

accepted: 2017/06/24

refer to this entry as: AmP Amphiura filiformis version 2017/06/24