| Name: | SEAHORSE also as SEA HORSE |
| Launched: | 1840 |
| Completed: | 01/09/1840 |
| Builder: | Andrew Woodhouse, South Shields |
| Yard Number: | |
| Dimensions: | 87grt, 26nrt, 77.0 x 16.5 x 9.0 ft |
| Engines: | 36nhp |
| Engines by: | |
| Propulsion: | Paddle |
| Construction: | Wood |
| Reg Number: | 7325 |
| History: | |
| 12/05/1841 | Middlesbrough-on-Tees Steam Tug Co, Middlesbrough; registered at Stockton |
| 20/06/1848 | Joseph Gibson, Middlesbrough |
| 19/07/1848 | Commissioners for the Improvement of the River Wear, |
| and the Port & Haven of Sunderland, Sunderland | |
| 15/02/1849 | Registered at Sunderland |
| 1864 | Broken up |
| Comments: | 18/03/1868: Register closed |