Definition: A taxon is Least Concern when it has been evaluated against the criteria and does not qualify for Critically Endangered, Endangered, Vulnerable or Near Threatened. Widespread and abundant taxa are included in this category.
Indo-Pacific: Indian Ocean (eastern coasts of India, possibly also coasts of Myanmar), Singapore and Java Sea (south coast of Kalimantan, also Bagan Api Api, Sumatra)
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.