sea adder

from the GNU version of the Collaborative International Dictionary of English.

• The European fifteen-spined stickleback (Gasterosteus spinachia); -- called also bismore.
• The European tanglefish, or pipefish (Syngnathus acus).

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The European fifteen-spined stickleback (Gasterosteus spinachia).
• noun The European tanglefish, or pipefish (Syngnathus acus).