Merulina Coral (13"x13") merulina also known as the spiny

also known as the spiny porcupinefish and spiny puffer

The troca shells are cone shaped and often found in the shallow tropical reefs

These were produced by Nature and are not all the same

a characteristic feature of scallops

sturdy and heavy

Merulina Coral (13"x13") merulina also known as the spinyThis coral is found in shallow waters on reefs and in lagoons in tropical parts of the IIndo Pacific region. Colonies of this species have vertical, irregular, two sided fronds about 5 cm (2 in) tall and not more than 5 mm (0. 2 in) thick. The corallites housing the polyps are very shallow and form widely separated rows parallel to the margins of the fronds. The bases of these fronds may be dead while the upper parts are still alive supported by the