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Acanthistius brasilianus is diurnal and has been described as a "high-ranking carnivores and top predator" in its areas of occurrence, see the report "Assessing the sources of the fishing down marine food web process in the Argentinean-Uruguayan Common Fishing Zone".
Even voracious predators cannot protect themselves from parasites, in this case the perch is peisaked by the nematode Dichelyne (Cucullanellus) sciaenidicola Timi, Lanfranchi, Tavares & Luque, 2009.
In adult fish, the white pale body stripes of juveniles are much darker, this is also true for the fins, especially the caudal fin and the posterior dorsal fin.
Synonyms:
Plectropoma brasilianum Cuvier, 1828
Plectropoma patachonica Jenyns, 1840
Even voracious predators cannot protect themselves from parasites, in this case the perch is peisaked by the nematode Dichelyne (Cucullanellus) sciaenidicola Timi, Lanfranchi, Tavares & Luque, 2009.
In adult fish, the white pale body stripes of juveniles are much darker, this is also true for the fins, especially the caudal fin and the posterior dorsal fin.
Synonyms:
Plectropoma brasilianum Cuvier, 1828
Plectropoma patachonica Jenyns, 1840