Animalia: Chaetognatha: Sagittoidea

Chaetognatha, commonly known as arrow worms are marine invertebrates that range in size from 2 to 120 millimeters. Arrow worms are fierce predators that locate their prey, typically copepods and other zooplankton, by detecting their vibration and then use their sharp hooks and teeth at the front of their bodies to grab and immobilize their prey with neurotoxins. Continue reading “95/150: I may be small, but I’m deadly in my tiny world!” →