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 pen shell is benthic and usually occurs in … 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 seafloor can be drawn through the inhalent … 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. … 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 … Meer weergeven

The amber pen shell may host a number of symbionts in its mantle cavity. Shrimp Pontonia mexicana (Palaemonidae), cardinalfish Astrapogon stellatus, pea crabs (Pinnotheridae) and sea anemones (Actiniaria) have all been found sheltered inside its shell. Meer weergeven