Basslets are usually quite hardy leh , perhaps you got a not too healthy specimen ? The ones at coral farm are not too big as well. Sent from my iPhone using Tapatalk
Bottle very hard lol I use iso box. Let the fish swim in and out freely . Put fish food inside for 2-3 days . Introduce trap door . Put fish food let them swim in, then u drop trap door . Sent from my iPhone using Tapatalk