Manila Catfish and Similar Species
Arius manillensis
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Open the appSeveral fish can be confused with Manila Catfish. Here are the key differences.
Species often confused with {name}
Whitefin Catfish
Arius thalassinus (now Netuma thalassina)
Key differences: A. manillensis has longer maxillary barbels that extend beyond the pectoral fin base, whereas in N. thalassina, they are typically shorter. N. thalassina also tends to be a larger, more marine species, though some overlap in habitat can occur.
Spatulate-snouted Catfish
Arius dispar
Key differences: A. dispar generally has a more spatulate or shovel-like snout compared to the broader, less pointed snout of A. manillensis. Barbels may also differ in length and thickness.
Other Arius species
Various Arius spp.
Key differences: Distinguishing features often involve precise measurements of barbel length relative to head length or body length, the number of gill rakers, and the morphology of the bony head shield. A. manillensis is unique in its endemicity to specific Philippine freshwater/brackish systems.
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