Tridacna costata, a close look at this rarely seen Indian Ocean clam species

Compared to corals, there are only a few giant clam species we get to appreciate in the home aquarium so it’s really exciting when we get new species like Tridacna noae and Tridacna ningaloo, but it’s also super cool to…

Top 10 new coral and giant clam species of 2014

The discoveries of new fish species were really impressive this year and the coral and giant clam taxonomists also had their hands full in 2014. Across the board we are still seeing a nice steady flow of new soft and…

Tridacna Clams in Reef Aquariums

Giant clams of the genus Tridacna are popular mollusks for reef aquariums. Oftentimes, people unfamiliar with the ocean are familiar only with the shells of clams. Their true beauty, however, can only be realized when they are living and healthy,…

Gerald Heslinga gives TED talk on Giant Clams

Gerald Heslinga is one of the world’s foremost experts on all things giant clam, especially in regards to the mariculture of Tridacna species. In this presentation Mr. Heslinga makes the case for the culture of giant clams being a solution for…

Are these possibly teardrop x maxima clam hybrids?

It was quite amazing news to discover that the recognizable clams we’ve long called Teardrop Maximas are in fact a distinct species, Tridacna noae. Being ever the inquisitive aquarium journalists that we are, the notion of a new species of…

Teardrop ‘maxima’ clams are now a distinct species, Tridacna noae

Tridacna noae is a newly recognized species of giant clam which reefers have been enjoying in our aquariums for many years now. We’ve always been told that the morphology of the shells of giant clams is the key to identifying…

Tridacna ningaloo officially described as a new species of giant clam

Tridacna ningaloo is the newest species of bivalve we can welcome into the growing family of giant clams. Earlier this year scientific research into the genetic makeup of Australian giant clams revealed that a cryptic species was lurking among the Tridacna…

Giant clams are even more specialized to harvest light than we thought

We all know that giant clams of the Tridacna and Hippopus genera are fast-growing molluscs which are found in shallow water reef waters where they can bask in the sunlight, harvesting energy from their symbiotic zooxanthellae. Unlike corals which have Symbiodinium zooxanthellae which…

Friday Smorgasbord: Happy clams, archerfish, fish surgery, giant squid and peeing in the ocean

We are happy as a clam to deliver our next installment of the Friday Smorgasbord. Every wonder what the origins of the idiom actually are? Seems it has been in use by sailors and shellfish gatherers from the mid-1600s in…

The secret of Disco Clams? Mirror balls

A graduate student at the University of California at Berkeley has uncovered the mystery to what allows the electric or disco clam to dazzle us with its light show. You would think there is some bioluminescence or other chemical reaction taking…