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Figure 2

From: Habitat segregation and migration in tropical anguillid eels, Anguilla bengalensis bengalensis and A. bicolor bicolor

Figure 2

Migratory history of tropical anguillid eels, Anguilla bengalensis bengalensis and A. bicolor bicolor. Representative plots of otolith Sr:Ca ratios along a transect line from the elver mark to the edge of the otolith for A. bengalensis bengalensis (a) and A. bicolor bicolor (b–f). The red and blue lines in each panel indicate the marine water life period (≥ 6.0 × 10−3 in Sr:Ca ratios) and the freshwater life period (≤ 2.5 × 10−3 in Sr:Ca ratios), respectively.

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