How powerful lighting for a clam?

[underoo]

Is there a certain type of clam that doesn't require as much lighting as the rest? How much lighting am i going to need? I have a 75g. What is the best type of clam?

[znut Reefer]

What lighting do you have now?

[...Stoked!]

hippopus dont need as much as some, but do still need :)

[underoo]

130w pc
40w actinic

[underoo]

i know i need way more than i have, i am going to upgrade. I was just inquiring.

[znut Reefer]

I would up upgrade to two 250 at least. that way you can keep just about all species. put the croceas up top.

[Travis]

Squamosas and Derasas can be kept under lower light. Maximas and Croceas will need at least 250 watt halides. You will need more light even for a Squamosa or Derasa.

[underoo]

I am upgrading to 260w pc. Would that be ok?