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They can modulate hormonal interactions in fish by: [33] binding to cellular receptors, causing unpredictable and abnormal cell activity blocking receptor sites, inhibiting activity promoting the creation of extra receptor sites, amplifying the effects of the hormone or compound interacting with naturally occurring hormones, changing their shape and impact affecting hormone synthesis or metabolism, causing an improper balance or quantity of hormones Osmoregulation [edit] Two major types of osmoregulation are osmoconformers and osmoregulators

Plus the link to hike734 was helpful in trying out a few setups myself

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