Chaetognath, SEM

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Chaetognath, SEM

Chaetognath. Scanning electron micrograph (SEM) of a chaetognath (phylum Chaetognatha). This microscopic predatory worm is transparent or translucent and is covered by a cuticle. It has fins and a pair of hooked, chitinous, grasping spines (pink) on each side of its head, which are used in hunting. The spines are covered with a hood when swimming. Chaetognaths are hermaphroditic, carrying both eggs and sperm. Some species are known to use the neurotoxin tetrodotoxin to subdue prey. Magnification: x100 when printed 10 centimetres wide

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6281484

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Micro Organism Parasite Plankton Planktonic Worm Zooplankton

EDITORS COMMENTS
This print showcases a Chaetognath, a microscopic predatory worm belonging to the phylum Chaetognatha. The image, taken using a Scanning Electron Microscope (SEM), reveals intricate details of this transparent or translucent creature. Covered by a protective cuticle, the chaetognath possesses fins and two hooked spines on each side of its head that are used for hunting. These chitinous grasping spines, depicted in pink, aid the chaetognath in capturing prey. In addition to their unique physical features, chaetognaths are hermaphroditic organisms capable of carrying both eggs and sperm. Some species within this group have been found to employ tetrodotoxin as a neurotoxin to subdue their prey. The photograph is set against a striking black background that enhances the visibility of this intriguing marine creature. With its scientific significance in fields such as zoology and biology, this image provides valuable insights into the world of planktonic organisms and highlights the diversity present within our oceans. As part of Science Photo Library's collection, this stunning print serves as an educational tool for those interested in nature, wildlife, and marine life enthusiasts alike. Its magnification level allows viewers to appreciate even minute details when printed at 10 centimeters wide.

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