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Table 6 Female life history traits for Poecilia mexicana from three different habitat types, sampled before and after the 2007 flood (Means ± S.E.).

From: Locally adapted fish populations maintain small-scale genetic differentiation despite perturbation by a catastrophic flood event

Population Sampling SL [mm] Female lean weight [g]a Female fat content [%]a Fecunditya Embryo dry weight [mg]b Embryo fat content [%]b Reproductive allocation [%]b,c
CA (toxic cave) pre-flood (N = 16) 35.94 ± 1.26 0.19 ± 0.02 6.07 ± 0.91 3.83 ± 1.69 8.17 ± 0.36 16.97 ± 1.01 12.51 ± 1.17
  post-flood (N = 21) 37.76 ± 0.91 0.19 ± 0.01 6.29 ± 0.80 3.88 ± 1.48 8.17 ± 0.31 14.55 ± 0.87 14.69 ± 1.02
EAI (toxic surface) pre-flood (N = 8) 30.00 ± 0.71 0.29 ± 0.02 5.34 ± 1.36 11.59 ± 2.51 5.29 ± 0.53 22.12 ± 1.50 10.32 ± 1.74
  post-flood (N = 19) 32.05 ± 1.15 0.28 ± 0.02 1.79 ± 0.89 12.41 ± 1.64 4.46 ± 0.35 16.32 ± 0.97 13.84 ± 1.13
RA (benign surface) pre-flood (N = 25) 33.84 ± 0.71 0.23 ± 0.01 13.54 ± 0.75 13.23 ± 1.38 2.61 ± 0.29 23.33 ± 0.82 10.89 ± 0.95
AB (benign surface) post-flood (N = 37) 42.84 ± 1.33 0.28 ± 0.01 7.43 ± 0.69 21.84 ± 1.27 3.75 ± 0.27 19.30 ± 0.75 20.29 ± 0.87
  1. a Estimated marginal means from a GLM with SL as a covariate.
  2. b Estimated marginal means from a GLM with SL and Embryo Stage as covariates.
  3. c Reproductive allocation: Proportion of total dry weight which consists of developing embryos.