Ember tetras are a great little fish with lots of colour and activity.  They are a ‘shoaling’ fish which means they like to stay together in a loose group – this is different from ‘schooling’ fish which exhibit a tight formation with highly synchronised movements.  Filed under “there’s always one”, we have this one ember, named ‘Jerry’, who does not shoal with the other embers and instead hangs out by him(her?)self on the opposite side of the tank.  The shoaling embers are generally in the upper left of the Fireplace Aquarium, whilst Jerry is inevitably on the middle/upper right side.  Why Jerry doesn’t go along with the group is a mystery but it’s very consistent behaviour and always from the same fish, and if I’m honest, it’s not without its charm.

The embers replaced chili rasboras in the Fireplace Aquarium.  The embers are big enough not to get eaten by the rummys or the barbs – this was less true for the slightly smaller chilis. 

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