Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
anatomy animal biology blue cell cephea cnidocil cnidocyte coiled contained coral corals crown diagram hydra isometric jelly jellyfish marine micro model nature nematocyst ocean operculum pond receptors reef research schematic science scientific sea still structure tentacles toxin tube underwater vector water wildlife zoology