8120 Lynn St. – Houston TX (built 1958; demolished 2007; partial demolition late 1990s; also Delta Lodge Apartments)
From Houston Magazine, July 1958:
Fish-shaped swimming pools – two of them – are included in the plans for the $500,000 Gilbert Apartments at the intersection of Gulf Freeway and Lynn Street.
A master television antenna for all apartments and a central music system for all apartments with individual controls and air-conditioning are also available.
Vice President Paul R. Gilbert of Eddy Refining Company of Houston, is in charge of the project which contains 54 units. Kirkgard Construction Company will do the building.
1964 imagery from Historic Aerials showing the outline of the two fish-shaped pools
(click for larger):
2005 and 2006 imagery showing outline of pool: