Sterlet Sterlet The sterlet ("Acipenser ruthenus") is a relatively small species of sturgeon from Eurasia native to large rivers that flow into the Black Sea, Azov Sea, and Caspian Sea, as well as rivers in Siberia as far east as Yenisei. Populations migrating between fresh and salt water (anadromous) have been extirpated. Due to overfishing (for its flesh, caviar, and isinglass), pollution, and dams, the sterlet has declined throughout its native range and is considered vulnerable by the IUCN. Restocking projects are ongoing, and it has been introduced to some regions outside its native range, but the latter have generally not
SWIFT message types SWIFT message types SWIFT Message types are the format or schema used to send messages to financial institutions on the SWIFT ("Society for Worldwide Interbank Financial Telecommunication") network. The original message types were developed by SWIFT and retrospectively made into an ISO standard, ISO 15022. This was later supplemented by a XML based version under ISO 20022. The SWIFT network supports the following message standards: SWIFT messages consist of five blocks of the data including three headers, message content, and a trailer. Message types are crucial to identifying content. All SWIFT messages include the literal "MT" (Message Type). This is