What a detailed and clear writeup on CL with great info.! This is a true insight into the world of the CLOWN LOACH ! Well said buddy.! Really RD this is a treat I never knew that CL would really show their true behaviour in a species tank this is great !Years ago I had to help a friend get one out of a piece of driftwood. We ended up cutting the wood in half, as there was no way that loach was coming out.
I have to say that thousands of juvenile clown loaches I have seen over the years, almost all imported from the wild, most have settled into the life of a glass box by the time they have reached a tank in the LFS. When this species is small, like most fish, in nature they tend to spend most of their day in hiding from larger predators. Remove that part from the equation and IME when kept in groups of 5 or more they become tame fairly quickly. Larger loaches, not so much, some can take months to settle into a new environment.
Years ago I kept a group of approx. 15 clown loaches by themselves in a 6ft 125 gallon species only tank. When the tank lights went off each loach would within minutes gravitate to their special resting spot in the tank. They appeared to sleep in the exact same spot each night, and I had several with unique markings so it was easy to establish who rested where. Some laid on the sand, some in caves, some in special nooks of the driftwood, some laid on open stretches of a certain section of a specific piece of driftwood. I had never seen this behaviour over the years when keeping them in community set up.
And I'm not surprised you had a a case of a clown being stuck in a driftwood mine choose the driftwood over caves as they dig themselves a huge hole everytime deep under the driftwood as my substrate is fine sand you can really appreciate CL as they are expert diggers.!
Like i said the more I learn about the mighty CL the more this fish fascinates me !
Thanks RD for the excellent info
Cheers buddy