MCMAC Presentation: James Fatheree - Tridacnid Clams: Feeding & Lighting

Beau is hosting the January Meeting this coming Saturday the 14th at 6PM.  It will be BYOB as well as a snack to share and raffle items are always welcome.  It has been requested that there be “NO SHOES” on the carpet due to it being a whitish color.

He doesn’t have a tank to view but we will have plenty to discuss in hopes that it will get the NEW YEAR off to a good start.  The annual membership fees are due, so now would be a good time to get them in to our Treasurer Stacey Hahn.   Fees are $20 per individual or $25 per family

Attendance was low at the election meeting in November and no votes were taken at December’s meeting so we have decided to take votes for anyone that didn’t get the opportunity in November and will be attending this meeting.  
We will add the votes to November’s ballots and the announcement will be made during the meeting so we can go forward.
NOMINATIONS:
President:  Jim & Nacho
V. President: Ed, Bo & Daniel Leigey
Treasurer: Stacey
Secretary: Carmen & Angie

Let’s hope the New Year brings new members, returning members and new ideas.  The club is always willing to take suggestions to get the most out of the hobby we all enjoy.

Please PM Nate C. by clicking here for directions if you are not a club member.  

Club members can click here to go to the club member only forum to get directions.

Hope to see you all there!

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Tridacnid Clams: Feeding & Lighting

These clams get all of their energy needs from their zooxanthellae which they receive by filter feeding.
It's not clear that they need to filter feed anything else.
When they do filter feed, they eat everything from detritus and microsand to zooplankton and phytoplankton.

"Detritus is very nutritious.  It's got all kinds of good stuff in it."

They can get much of their chemical nutrient needs (nitrogen, phosphorus, etc.) directly from seawater.

They can also digest their own zooxanthellae for additional nutrients and energy.

99.9% of the time nothing needs to be fed to the clams.  Feeding your fish also feeds the clams further down the food chain.

All clams need different amount of light, both between species, but also between members of the same species.
crocea needs a lot of light (less than 10' of water)
maxima (less than 20' of water)
derasa can live much deeper, but they are still diverse in their light needs

Color does not correlate to the amount of light a clam needs.

Bright halides are the best bet for most clams.  Clam lighting requirements vary considerably between individuals, but anything dimmer is a gamble, and what works for one individual may be insufficient for another.