Oligoplites altus (洁革鲹) is a species of ray-finned fishes in the family jacks. They are associated with freshwater habitat. Individuals can grow to 56.0 cm.
Definition: A habitat that is in or on a sea or ocean containing high concentrations of dissolved salts and other total dissolved solids (typically >35 grams dissolved salts per litre).
Definition: Expressions of the estuarine biome occur at wide lower courses of a rivers where they flow into a sea. Estuaries experience tidal flows and their water is a changing mixture of fresh and salt.