USS Cavalla
Two United States Navy submarines were named USS Cavalla , after Cavalla , a fish of the order of the perch-like :
- USS Cavalla (SS-244) , a Gato-class submarine , in service from 1944 to 1969 and now a museum ship in Galveston , Texas
- USS Cavalla (SSN-684) , a Sturgeon-class submarine , in service from 1973 to 1998