- The European fifteen-spined stickleback (Gasterosteus spinachia); -- called also bismore.
- The European tanglefish or pipefish (Syngnathus acus).
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). sea adder. Retrieved September 21, 2026, from http://smartdefine.org/sea_adder/definitions/2059275 |
| Chicago | Webster's. 2011. "sea adder" http://smartdefine.org/sea_adder/definitions/2059275 (accessed September 21, 2026). |
| Harvard | Webster's 2011, sea adder, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/sea_adder/definitions/2059275>. |
| MLA | Webster's. "sea adder" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/sea_adder/definitions/2059275> |