Range and natural history
It can enter fresh water and is often associated with very low salinity. Soft-bottom habitats are reported. This makes the connection between the lower river and coastal lagoon important to its natural history, rather than treating those waters as separate worlds.
Its food includes small fish, especially anchovies and herrings, together with crustaceans such as shrimps. These prey records describe a fish-eating predator with an important invertebrate component.
