before WW1 :

1) North Nigeria
governor's yacht Corona (320 t, 43.8 m)
stern-wheel steamers, built 1901-1903,: Empire (40.1 m), Kapelli (30.5

m), Kampala (22.8 m), Karonga, Sarota (41.1 m), Etobe and Egori (both

1909, 30.5 m)

2) South Nigeria
yachts Ivy (1895 or 1896, 1131 t, 67 m, 1x 12pdr, 2x 6pdr, 9.1914-1917

RN) and Countess of Derby (deleted c.1910?)
stern-wheel steamers: Liberty (built 1897), Raven (1904, 260 t), Sandfly

and Valiant (both 1902, 44.2 m)
steam dredger: Sand Grousse (1909)

also stern-wheel steamer Sultan (1907, 24.4 m), c. 1910 moved from

South to North Nigeria

Nigerian Govt, vessels, hired by RN 9.1914-1919
Manatee - motor launch (1x 3pdr, 1 MG)
Vigilant and Vampire - steam launches (80', 1x 3pdr)
Balbus - tug (3x 37mm)
Alligator and Crocodile - motor launches (100', 1 MG)
Porpoise - paddle tug (2x 12pdr, 1x 3pdr)
Remus - paddle tug (1913, 203 t, 3x 12pdr)

also in Nigeria hired by RN 9.1914-1919:
Walrus - German Cameroon tug, captured in Duala 9.1914 (1x 3pdr)
Sokoto - German Cameroon gunboat, captured in Duala 9.1914