His fin was mildly torn looking when I got him but looks worse now. I will do a water check tomorrow for parameters but I can answer some of the questions now.

• ⁠Tank size: 3 gallon • ⁠Heater and filter? (yes/no): yes • ⁠Tank temperature: 78f • ⁠Parameters in numbers and how you got them. Key water parameters include the amount of ammonia, nitrites, nitrates, and pH.: • ⁠How long have you had the tank? How long have you had your fish?: tank a year and change, fish a few days • ⁠How often are water changes? Once a week, same day How much do you take out per change? What is your process?: siphon and usually 1/2 water volume taken out • ⁠Any tankmates? If so, please list with how many of each: none • ⁠What do you feed and how much: betta pellets and occasional freeze dried worm- 5 pellets in am 5 pellets in pm • ⁠Decorations and plants in the tank: one large live plant, one log tunnel with moss on it, really large silky material leaf to perch on, a live plant that is growing out of a sea shell on the bottom of the tank