Aphroditidae
The Aphroditidae are a family of marine polychaete worms commonly known as sea mouse or scale worms. These worms are characterized by their flattened bodies covered in scales, often referred to as elytra, which overlap like roof shingles. The elytra are iridescent and can be a variety of colors, ranging from brown and green to red and purple. These scales, along with the bristles (setae) that emerge from their segments, are important for locomotion and defense.
Characteristics
Aphroditidae are typically benthic organisms, meaning they live on the bottom of the seafloor. They possess a distinct head with well-developed palps and antennae, which are used for sensing their surroundings. The body is segmented, with each segment bearing a pair of parapodia, fleshy appendages with bristle-like setae. These setae can be used for swimming, burrowing, and defense. The worms also have a pair of nephridia, which are excretory organs, and a digestive system that runs the length of their body. Some species have specialized structures called "notopodia" and "neuropodia" on their parapodia, which are involved in locomotion and feeding.
Environment
Aphroditidae can be found in a variety of marine habitats, including sandy and muddy bottoms, rocky shores, and coral reefs. They are often found in areas with high sediment content. Some species are even known to inhabit deep-sea environments. These worms play a crucial role in marine ecosystems as scavengers and predators, feeding on a variety of organisms, including algae, detritus, and smaller invertebrates.
Common Names
Aphroditidae are commonly referred to as:
- Sea mouse
- Scale worm