giant clams

Waikiki’s Iconic Giant Clam Gone to Reef Tank in the Sky

It was ten years ago that we had the pleasure of celebrating the 30th anniversary of a world famous mollusk, the Waikiki Aquarium’s very large and very old Tridacna gigas giant clam. Alas, here we are a decade later and while…

New Research Reveals how to Breed Bigger and More Colorful Crocea Clams

Crocea clams are one of the smallest species of Tridacna, much prized in home reef aquaria since they exhibit a range of colors and patterns which can very greatly in their patterning. At their most basic the boring Tridacna crocea 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…

Giant Clam Poop Could Help Corals Recover from Bleaching!

Last September a study was published taking a close look at giant clam poop, more accurately described as fecal pellets. We previously shared this story but wanted to circle back to it to really drive home one interesting point about…

Giant Clams in the Aquarium, a New Book by James Fatheree

There’s a lot going on in the realm of our favorite reef bivalves, from the newly arrived Red Sea cultured clams, to the revision of Indian Ocean species, and now we even have a new book. Giant Clams in the…

How (Hybrid) Tridacna Clams are Made

Spawning and rearing giant clams is an elaborate process that requires a certain degree of knowledge, but thankfully this know-how has been extensively documented and shared around the world. For around forty years small island nations of the Pacific Ocean…

Science Sheds Light on Squamosa x Crocea Clam Hybrids

Hybrid giant clams have been an enigma to the aquarists who seek to understand them in order to better provide for these treasured bivalves. Finally a new research experiment not only confirmed the authenticity of hybrid Tridacna clams – they’ve…

Small Gigas Clams Grow Incredibly Fast

Giant clams, especially the giant clam is one of the most fabled reef animals growing to absolutely massive proportions. After a fifteen year absence from the reef aquarium hobby Tridacna gigas returned through the farming efforts of Oceans Reefs & Aquariums better known…

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…

Gigas Clam Return to the Reef Hobby thanks to ORA

The true giant clam, Tridacna gigas, is finally making a return to the aquarium world thanks to recent success by Oceans, Reefs & Aquariums, better known as ORA. Several species of Tridacna clams can get quite large, over 18″ or 45cm long…