Steffensen Swim Tunnel Mk. I with a volume of 8.5 liters for fish up to 0.15 Kg

3D Diagram of Steffensen Swim Tunnel Mk. I.

Keith Korsmeyer and the swimming Huma-huma-numa-nau-.... or Picassofish in Okinawa, Japan.

Steffensen Swim Tunnel Mk. II with a volume of 32 liters - for fish up to about 0.5 Kg

Prototype of Steffensen Swim Tunnel Mk. III - 90 liters

Prototype of Steffensen Swim Tunnel Mk. III - 90 liters - with swimming saithe.

Steffensen Swim Tunnel Mk. III - 90 Liters with insert to reduce the volume from 90 - 55 liters.

Updated March 2023