Fig. 2 in Evidence That Salt Water May Not Be A Barrier To The Dispersal Of Asian Freshwater Crabs (Decapoda: Brachyura: Gecarcinucidae And Potamidae)

Fig. 2. Hemolymph osmolality of adult Eosamon smithianum (Potamidae) held for up to 9 days in deep 30 cm fresh water and in 22, 25, and 30 ppt salt water. Line with diamonds = water osmolality. Columns = hemolymph osmolality, light = sub-adults; dark = juveniles; error bars = standard deviation. The x-axis shows the number of days that crabs were subjected to a particular salinity. Adults (n = 5) and juveniles (n = 17, 5) in fresh water ('baseline'), and in deep sea water at 22 ppt (n = 5, 1, respectively), 25 ppt (n = 5), and 30 ppt (n = 3). Dark horizontal bar = salinity at which the hemolymph is hyperosmotic to the external water.