αυτα εννοεις?
http://www.seriouslyfish.com/species...-macracanthus/
αν εννοεις αυτα και τα "σκεφτεσαι",προσεξε αυτο:
"A tank with base measurements of 180 ∗ 60 cm or equivalent is the absolute minimum required to house a group,
and young specimens should only be grown on in smaller aquaria if several partial water changes are conducted each week."