function [prdData, info] = predict_Chelon_auratus(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); kT_M = k_M * TC;
  
  % zero-variate data

  % life cycle
  pars_tp = [g; k; l_T; v_Hb; v_Hp];               % compose parameter vector
  [t_p, t_b, l_p, l_b, info] = get_tp(pars_tp, f); % -, scaled times & lengths at 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 
  L_p = L_m * l_p;                  % cm, structural length at puberty at f
  Lw_p = L_p/ del_M;                % cm, physical length at puberty at f
  Ww_p = L_p^3 * (1 + f * w);       % g, wet weight at puberty

  % ultimate
  l_i = f - l_T;                    % -, scaled ultimate length at f
  L_i = L_m * l_i;                  % cm, ultimate structural length at f
  Lw_i = L_i/ del_M;                % cm, ultimate physical length at f
  Ww_i = L_i^3 * (1 + f * w);       % g, ultimate wet weight 
 
  % reproduction
  GSI = TC * 365 * k_M * g/ f^3/ (f + kap * g * y_V_E);
  GSI = GSI * ((1 - kap) * f^3 - k_M^2 * g^2 * k_J * U_Hp/ v^2); % mol E_R/ mol W

  % 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/ kT_M;                     % d, mean life span at T
  
%   % males
%   p_Amm = z_m * p_M/ kap;              % J/d.cm^2, {p_Am} max spec assimilation flux for males
%   E_m_m = p_Amm/ v;                    % J/cm^3, [E_m] reserve capacity for males
%   g_m = E_G/ kap/ E_m_m;               % -, energy investment ratio for males
%   m_Em_m = y_E_V * E_m_m/ E_G;         % mol/mol, reserve capacity 
%   w_m = m_Em_m * w_E/ w_V;             % -, contribution of reserve to weight
%   L_mm = v/ k_M/ g_m;                  % cm, maximum structural length for males
%   L_im = L_mm * f; Lw_im = L_im/ del_M;% cm,  ult total length
%   Ww_im = L_im^3 * (1 + f * w_m);      % g, ult wet weight
%   pars_tpm = [g_m; k; l_T; v_Hb; v_Hp];% compose parameter vector
  
  % pack to output
  prdData.am = aT_m;
  prdData.Lp = Lw_p;
  prdData.Li = Lw_i;
  prdData.Wwb = Ww_b;
  prdData.Wwp = Ww_p;
  prdData.Wwi = Ww_i;
  prdData.GSI = GSI;
  
  % uni-variate data
  
  % time-length
  [tvel, t_p, t_b, l_p, l_b] = get_tp(pars_tp, f_tL, [], tL(:,1)*kT_M);
  ELw = L_m * tvel(:,4)/ del_M;   % cm, length 
  
  % pack to output
  prdData.tL = ELw;
  