Amphibious tour vehicle 'Hippotrip Mar', registration LX-484-AL, (foreground), and sister amphibious vehicle 'Hippotrip Rio', registration LX-483-AL, during a stop at the Alcântara passenger terminal in between their combined city/river tours across Lisbon and the harbour.

Main characteristics (similar for both vehicles):
Class: Hydra-Terra
LOA: 12m
Beam: 2.5m
GT: 7.7 t
Capacity: up to 40 pax
Crew: 2
Builder: CAMI (Ridgeland, SC, USA)
Owner & Manager: HIPPOtrip - Turismo Anfíbio, Lda. (Lisbon, Portugal)

More info available from the manufacturer's website:

http://www.camillc.com/hydraterra.htm

or from the operator's website:

http://www.hippotrip.com/en/