Porcupine sea mouse -- Aphrodite hystricella (left)
Sea mouse -- Aphrodite aculeata (right)

Title: The illustrated natural history (microform)
Year: 1863 (1860s)
Authors: Wood, J. G. (John George Wood), 1827-1889
Subjects: Reptiles; Fishes; Mollusks; Natural history; Reptiles; Poissons; Mollusques; Sciences naturelles
Source: https://commons.wikimedia.org/wiki/File:The_illustrated_natural_history_%28microform%29_%281863%29_%2820648594951%29.jpg


Aphrodita aculeata - sea mouse
The sea mouse (Aphrodita aculeata) is a marine polychaete worm found in the North Atlantic, North Sea, Baltic Sea, and Mediterranean. It has an oval-shaped body covered in iridescent setae, and it feeds on small crabs and other worms. At depths of over 3,000 meters, the sea mice thrive in the deep sea.

Order: Phyllodocida
Family: Aphroditidae
Genus: Aphrodita
Species: Aphrodita aculeata Linnaeus, 1758