Winter in the lagoon,
watercolor.

Spring in the lagoon,
watercolor.

Aquila chrysaetos
(Golden Eagle)
watercolor

Seabream. Four species of the Sado river estuary in Portugal. Watercolor, 2011.

Triturus helveticus
(Palmate Newt, male)
watercolor 2003.

Taurulus bubalis,
(Long-spined Seascorpion),
watercolor, 1997

Ciliata mustela,
(Five-bearded Rockling) ,
watercolor

Thunnus thynnus
(Blue-finned Tuna)
watercolor, 2008

Galemys pyrenaicus
(Pyrenean Desman)
watercolor, 1999

Illustrated map, Portugal,
watercolor