giant clams

Giant Clams Can Manipulate Light To Assist Their Symbiotic Partner

Special cells in giant clams shift the wavelength of light to protect them from UV radiation and increase the photosynthetic activity of their symbionts, shows research KAUST. Using special cells, known as iridocytes, the clams can manipulate light via layers…

It’s Time To Take A Closer Look At Clam Poop

Giant clams, like most coral species, survive in a symbiotic relationship with photosynthetic marine algae called Zooxanthellae. And while there are a small number of species which inherit zooxanthellae cells from their parents, the vast majority need to acquire these…

Red Sea Clams Return to the Aquarium Hobby

When we were just a wee little aquarist still playing around with African and American cichlids, one of the creatures that drew us to the world of ‘mini reef’ aquariums were the giant clams from the Red Sea. It was…

Gold Tiger Maxima Clams From Taiwan

So-called ‘gold clams’ are usually used to describe the unfortunate Tridacna clam species with a preponderance of brown color, but some clams actually are gold. I’m not talking about the super rare gold ‘foil’ variant sometimes seen in T. maxima  & T. crocea, but the lustrous…

These Breeder Mandarin Crocea Clams Are Untouchable

Mandarin Crocea Clams are a particular variety of Tridacna crocea with a psychedelic pattern that is reminiscent of the popular aquarium fish. Many of the giant clam species can have truly wild colors and patterns but the ‘Mandarin’ pattern is one…

Giant Clam Colors Could Hold Key To More Efficient Biofuels

Giant clams are full of surprises – not only are they very well adapted to high levels of sunlight on the reef but it seems out they might have some tricks that we can tap into ourselves. Anyone who’s ever…

Visiting the Original Giant Clam Farm in Palau

Palau is home to eight of the ten known species of giant clams, making it one of the epicenters of giant clam diversity in the world. Better yet, Palau is also home to the world’s first and still oldest operating…

Hippopus porcellanus, Face to Face with the Rarest Species of Giant Clam

Hippopus porcellanus, the China Clam, is arguably the rarest species of giant clam living today. It has a very restricted range second only to the Devil Clam, but it is extremely rare where the species has been found. Unfortunately, the…

World’s Largest Pearl Was Made By A Giant Clam

The World’s Largest Pearl has been discovered in the Philippines and this thing weighs as much as a small child. Clocking in at around 34Kg or about 75 pounds, the huge gem was being used by a Filipino fisherman as…

Devil Clam Discovered Living In New Caledonia

The Devil Clam is one of the most elusive and poorly known species of giant clams, mostly because of its limited natural distribution and its preference for deeper waters.¬†Unlike most species of Tridacna and Hippopus which live in relatively shallow…