Phylum of small, somewhat fish-like, marine invertebrates with one or two pairs of lateral fins and a large horizontal tailfin. They poison their prey with a toxin produced by bacteria carried in their head. There are about 200 known species but there may be many more in the deep ocean.
The Chaetognath, a Strange Creature
Photographic study by Jean-Marie Cavanihac of the Arrow Worm.
[Mozilla]
Last update:
September 16, 2007 at 4:34:55 UTC
Science
Shopping
Society
Sports
All Languages
Arts
Business
Computers
Games
Health
Home
News
Recreation
Reference
Regional