function [prdData, info] = predict_Gibbula_umbilicalis(par, data, auxData)
  
  % unpack par, data, auxData
  cPar = parscomp_st(par); vars_pull(par); 
  vars_pull(cPar);  vars_pull(data);  vars_pull(auxData);
  
  % compute temperature correction factors
  TC    = tempcorr(temp.am, T_ref, T_A);
  
  % zero-variate data

  % life cycle
  pars_tj = [g k l_T v_Hb v_Hj v_Hp];
  [t_j, t_p, t_b, l_j, l_p, l_b, l_i, rho_j, rho_B, info] = get_tj(pars_tj, f);
    
  % birth
  L_b = L_m * l_b;                  % cm, structural length at birth at f
  Ww_b = L_b^3 * (1 + f * w);       % g, wet weight at birth
      
  % puberty 
  tT_p = (t_p - t_b)/ k_M/ TC;      % d, time since birth at puberty at f and T
  L_p = L_m * l_p;                  % cm, structural length at puberty at f
  Lw_p = L_p/ del_M;                % cm, length at puberty at f

  % ultimate
  L_i = L_m * l_i;                  % cm, ultimate structural length at f
  Lw_i = L_i/ del_M;                % cm, ultimate total length at f
  
  % reproduction
  pars_R = [kap; kap_R; g; k_J; k_M; L_T; v; U_Hb; U_Hj; U_Hp]; % compose parameter vector at T
  RT_i = TC * reprod_rate_j(2 * del_M, f, pars_R);          % #/d, ultimate reproduction rate at T

  % life span
  pars_tm = [g; l_T; h_a/ k_M^2; s_G];  % compose parameter vector at T_ref
  t_m = get_tm_s(pars_tm, f, l_b);      % -, scaled mean life span at T_ref
  aT_m = t_m/ k_M/ TC;                  % d, mean life span at T
   
  % weight-at-length
  Ww_1 = del_M^3 * (1 + f * w);         % g, wet weight at 1 cm shell width
  
  % pack to output
  prdData.tp = tT_p;
  prdData.am = aT_m;
  prdData.Lp = Lw_p;
  prdData.Li = Lw_i;
  prdData.Wwb = Ww_b;
  prdData.Ww1 = Ww_1;
  prdData.Ri = RT_i;
  
  % uni-variate data
    
  % time-length 
  f = f_tL; [t_j, t_p, t_b, l_j, l_p, l_b, l_i, rho_j, rho_B] = get_tj(pars_tj, f);
  kT_M = k_M * TC; rT_B = rho_B * kT_M; L_i = l_i * L_m; Lw_i = L_i/ del_M;
  ELw_0 = Lw_i - (Lw_i - Lw_00) * exp( - rT_B * (tL0(:,1) - tL0(1,1))); % cm, shell height at time
  ELw_1 = Lw_i - (Lw_i - Lw_01) * exp( - rT_B * (tL1(:,1) - tL1(1,1))); % cm, shell height at time
  ELw_2 = Lw_i - (Lw_i - Lw_02) * exp( - rT_B * (tL2(:,1) - tL2(1,1))); % cm, shell height at time
  
  
  % pack to output
  prdData.tL0 = ELw_0;
  prdData.tL1 = ELw_1;
  prdData.tL2 = ELw_2;
