I think I'm going to name him Clampy since he likes to stay clamped.
I thought I'd give an update.
Today I did a 100% water change as Clampy's tank was looking foggy and there was oil film on top. I did a 40% change two days ago, and I set up the tank 5 days ago.
I researched this forum and for water changes I think it's best for me to do cold water as using hot or warm water would take water from my hot water heater tank which may have metals in it...I use Splendid Betta water conditioner, enough for 3 gallons
It took a few hours to heat the water up to Clampy's water temp which dropped to 72 while he was out of the tank. I used a light and a space heater in the room.
Tank had been maintaining at 75 degrees with a hydor 7.5 watt heater, I'm not impressed by it, but bought 2 tetra and hydor whisper style mini heaters from both walmart and petsmart and neither worked... so I have ordered a stealth online for 28$ (pricey!) I am perplexed by others recommendations if the aforementioned heaters, methinks they are not good..
I know the tank is cold and maybe this is why Clampy stays clamped but in the past i have had two betta (about ten years ago) and they never had heaters and were very active...
Clampy can't eat betta pellets or large blood worms unless I split them up, i am wondering if he is small (I have no comparism) and maybe young or just sickly or clampy. I did check him for disease symptoms and compared him with pictures of betta illnesses and I don't think he has anything obvious. His body and head are very grey in color.
I bought him because he was all clamped in the tank and I though he was going to die.
He does come to me when I approach the tank, he moves around but not a lot.
I can't wait to get the new heater-I hope it works,
I will post pictures in a minute-if you have any anti-clamping advice I would welcome it...
HERE HE IS IN FULL CLAMP MODE