Originally Posted by psusocr1
probably detrius on the rocks ... they are too slow to catch pods..mine NEVER refuse food, but your might be a little samaller or eat more off the rock..
yeah, maybe so. i always wonder if they eat algae. i fed mine monday, tuesday night his stomach was plastered all over the glass....just like he was eating. and there is a little algae on the glass. Who knows, oh well.