In the first month, the dolphins remained together. He has not been sighted after 1993. The dolphins appear to have successfully acclimatised to life in the wild. They have not been observed to interact with humans. Systematic follow-up monitoring was considered crucial in identifying their successful acclimation.
Male pairs are common in bottlenose dolphins.
They were approximately 6-7 years old at the time of their capture. This means that they had extensive experience in fending for themselves in the wild prior to their capture. Silver was collected in waters off Taiwan in 1978 and also housed at Brighton Aquarium. It has been reported that Silver had a Candida infection when he was released. They were released on September 10, 1991.