The type-host  of P. sulamericanus is the Snowy grouper, Epinephelus niveatus (or Hyporthodus niveatus) (Serranidae: Epinephelinae).
The type-locality if off Ilhas Cagarras, Rio de Janeiro, Brazil.
The species has also been recorded in the same host from off Cape Canaveral, Florida, and off Pensacola, Florida.
It has also been recorded from another host, the Warsaw grouper, Epinephelus nigritus (or Hyporthodus niveatus), off Naples, Florida.
The type-host  of P. sulamericanus is the Snowy grouper, Epinephelus niveatus (or Hyporthodus niveatus) (Serranidae: Epinephelinae). The type-locality if off Ilhas Cagarras, Rio de Janeiro, Brazil. The species has also been recorded in the same host from off Cape Canaveral, Florida, and off Pensacola, Florida. It has also been recorded from another host, the Warsaw grouper, Epinephelus nigritus (or Hyporthodus niveatus), off Naples, Florida.
Pseudorhabdosynochus sulamericanus