from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Limited to or able to live only within a narrow range of water depths. Used of aquatic organisms.
from The Century Dictionary and Cyclopedia
- Having a narrow range of depth: said of animals living in the water between definite limits of depth, as contrasted with eurybathic (which see).
steno- + Greek bathos, depth + -ic.(American Heritage® Dictionary of the English Language, Fourth Edition)