The amber pen shell can be found in coastal western Atlantic waters, ranging from southern Florida across the Caribbean and the West Indies to Brazil.
The amber … Meer weergeven

The amber pen shell burrows as it grows, but the wide posterior end of the shell always remains exposed so water from above the … Meer weergeven

The amber pen shell is a hermaphrodite, the gonads producing both sperm and ova. The larvae are planktonic and drift with the currents. The shells of the planktonic larvae are … Meer weergeven

The amber pen shell may reach 30 cm (12 in) in length with shell growth being extremely rapid after settlement [up to 2.2 mm (0.087 in) in length/day] and growth slowing down … Meer weergeven

The amber pen shell may host a number of symbionts in its mantle cavity. Shrimp Pontonia mexicana (Palaemonidae), cardinalfish Meer weergeven