Migratory life history of deep sea fishes


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[Shiao JC]

We analyzed otolith microstructures and stable isotope of deep sea fishes to reveal their ontogenetic vertical (downward) migration. Otolith microstructures and δ18O showed different migratory patterns, e.g., migration timing and distances, among species.

Fig. 1. A conceptual diagram showing different patterns of vertical downward migration for grenadier larvae and juveniles. The larvae may metamorphose during sinking, or they may metamorphose after settlingt on the sea floor. The migrating distances vary among the species.