Egg_number,Population,Treatment,Inicial_mass,Mass day 7,Mass_change,Survival_days
1,Mainland,Freshwater,0.1705,0.2883,0.1178,36
2,Mainland,Freshwater,0.2001,0.2984,0.0983,28
3,Mainland,Saltwater,0.1536,0.1459,-0.0077,7
4,Mainland,Saltwater,0.2116,0.1844,-0.0272,7
5,Island,Saltwater,0.17,0.157,-0.013,7
6,Island,Freshwater,0.1693,0.1684,-0.0009,21
7,Mainland,Freshwater,0.1332,0.1957,0.0625,5
8,Mainland,Saltwater,0.2035,0.1981,-0.0054,7
9,Mainland,Freshwater,0.156,0.2717,0.1157,17
10,Mainland,Freshwater,0.1351,0.1731,0.038,7
11,Mainland,Saltwater,0.1722,0.1654,-0.0068,10
12,Mainland,Saltwater,0.1611,0.1522,-0.0089,7
13,Island,Freshwater,0.1245,0.1803,0.0558,5
14,Island,Saltwater,0.1378,0.1421,0.0043,6
15,Mainland,Saltwater,0.1583,0.2012,0.0429,6
16,Mainland,Freshwater,0.1422,0.2595,0.1173,33
17,Mainland,Saltwater,0.1805,0.1823,0.0018,7
18,Mainland,Saltwater,0.1566,0.1733,0.0167,7
19,Mainland,Freshwater,0.2207,0.2906,0.0699,14
20,Mainland,Freshwater,0.1549,0.1866,0.0317,14
21,Mainland,Freshwater,0.2018,0.2897,0.0879,30
23,Mainland,Saltwater,0.1407,0.1706,0.0299,5
24,Island,Saltwater,0.1204,0.1356,0.0152,7
25,Mainland,Saltwater,0.1725,0.1305,-0.042,2
26,Island,Freshwater,0.2296,0.4156,0.186,25
27,Island,Freshwater,0.1476,0.1954,0.0478,12
28,Island,Saltwater,0.2135,,-0.2135,7
29,Island,Saltwater,0.1832,,-0.1832,7
30,Mainland,Saltwater,0.2022,0.1768,-0.0254,7
31,Mainland,Saltwater,0.1868,0.1881,0.0013,9