| Name: | MASTIFF |
| Type: | Gunboat |
| Keel: | 01/09/1870 |
| Launched: | 04/04/1871 |
| Completed: | 11/1871 |
| Builder: | C Mitchell & Co |
| Yard: | Low Walker |
| Yard Number: | 246 |
| Dimensions: | 250disp, 85.0 x 26.0 x 6.0ft |
| Engines: | 2 x 1cyl, 200ihp |
| Engines by: | Ravenhill, Hodgson & Co |
| Propulsion: | 2 x Screws, 8.5knots |
| Construction: | Iron |
| Armament: | 1 x 10.0ins gun |
| History: | |
| 11/1871 | British Royal Navy |
| 1914 | Renamed SNAPPER |
| 28/11/1931 | Broken up |
| Comments: | An Armstrong contract built using the facilities of the Mitchell yard |
| Member of the Ant Class | |
| 28/11/1931:Broken up by Thames Shipbreakers Ltd |

Above photo is copyright of the Maritime Photo Library

Above photo is of a model of Ant Class ARROW