Halimeda species are remarkable green seaweeds easily identified by their compressed or cylindrical segments that contain a very high percentage of calcium carbonate (CaCO₃), often ranging from 40% to 90% of their entire bodies.

The Family Portunidae is no stranger to Filipinos as some of them are already familiar to us, including alimasag (blue swimming crabs) and alimango (mangrove crabs)!

Toxopneustes pileolus, also called the flower urchin, is known as the most venomous sea urchin in the world. Its common name comes from the flower-like appearance of its pedicellariae: the tiny circles and triangles around its body, with a reddish dot in the center.

The coral Leptoseris kalayaanensis, nicknamed the “durian coral,” is easily recognizable by its spiky surface and blunt, white-tipped spines.

Red is the color of love, and this red seaweed reminds us to stay protected this love month!