The film "Shrimp" does not feature any identifiable LGBTQ+ characters or themes within its narrative. Consequently, there is no portrayal of queer identity or related issues to evaluate, leading to a determination of N/A for its net impact.

Based on the provided title and year, 'Ruby Bridges at William Frantz' appears to be a historical drama about school desegregation. There is no information to suggest the presence of transsexual characters or themes within the film's narrative.

The movie does not contain any action or adventure elements.

There is no available information or widely established source material for the 1961 film "Shrimp" to indicate that any of its characters were canonically, historically, or widely established as a different gender prior to this specific production. Therefore, no gender swaps can be identified.

Without information on source material, prior adaptations, or historical figures for the 1961 film "Shrimp," it is impossible to determine if any character's race was canonically established and subsequently changed.