He has made 103 appearances for Argyle and has scored eight goals, the latest being the equaliser in the
2-2 draw at Shrewsbury
at the start of this season, the only point Argyle have so far got in League Two this term.
Argyle are still in administration with three bidders submitting plans to take over the club.
And former Wales international Fletcher was quick to appreciate that the off-field issues have made life at Home Park tough.
"With everything that's gone on off the field it's been very difficult for everyone involved," he said.
"It's a new challenge now, me and Ro (Romain Larrieu) will try and do things our own way and put in 100% effort.
"For us to achieve anything it's not going to be me and Ro or me, Ro and the players, it's going to be everyone," he added.
August 1997: Becomes a professional at AFC Bournemouth having been an apprentice
February 1998: Makes professional debut at age 17 in 2-1 loss at Grimsby
February 2004: Makes Wales debut in 4-0 win over Scotland
August 2004: Moves to West Ham for £275,000
May 2006: Plays in FA Cup final loss to Liverpool
July 2006: Moves to Crystal Palace for £400,000
May 2008: Captains Wales for the only time against Iceland
October 2008: Spends a month on loan at Nottingham Forest
February 2009: Joins Plymouth Argyle on loan
July 2009: Makes permanent move to Home Park
August 2009: Retires from international football
September 2011: Becomes Argyle caretaker manager
"I think we've got a strong belief in ourselves and, having been a footballer for over half my life, you learn a lot, and I've always been thinking about the game," said Fletcher's new number two Larrieu.
"I don't switch off from football very easily, we have plenty of ideas that we've shared and we know the players, so we believe that there is a good crop of lads here," he added.
Acting chairman Peter Ridsdale said that he approached Fletcher soon after he sacked Reid.
"I spoke to Carl an hour after Peter left and asked him if he was free to speak.
"We've been together, Carl and I, for the last four hours, but the first time Carl was aware was not long after I left Peter," he said.
Fletcher called on the Plymouth fans to get behind the club as he and Larrieu look to get them off the football of the League Two table.
"It's a great club and a great community and for everyone involved it's going to take everybody pushing in the right direction.
"Hopefully the takeover is close and then there'll be a brighter future."
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