Hypostomus punctatus
Armored catfish up to 30 cm, from the coastal rivers of southeastern Brazil. It has commercial and aquarium use, and eats algae and bottom detritus.
Also called: cascudo, vieja de agua, catfish
The cascudo-do-sudeste belongs to the family Loricariidae, with an elongated body covered in bony plates and a suckermouth on the underside. It reaches 30 cm. It lives in coastal rivers of southeastern Brazil, both in fast current and in flooded areas, in waters of 22 to 28 degrees, and is also recorded in Uruguay. It feeds on algae and detritus. It has commercial and aquarium use, but little importance for sport fishing.
Essential profile. Identification, where it occurs and rules, with data from FishBase and the cited regulations. Season, time of day, technique and bait are added once we have a good source for the catfish (cascudo-do-sudeste).
Armored catfish with an elongated body, plates and a suckermouth on the underside. The scientific name, punctatus, means spotted, and the species has dark spots over the body. It reaches 30 cm. It occurs in coastal rivers of southeastern Brazil, in fast current and flooded areas. The spots and the coastal southeast region are the most useful clues for identifying it.
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Each card shows the day's index (0 to 100) and, below it, a strip with the index for each hour, from 0h to 23h. from poor to excellent.
Essential profile: the index uses a general fish model (weather, sun, moon and tide), without a season or time of day specific to this species.
Occurs in coastal rivers of southeastern Brazil and also in Uruguay.
Habitat: Rivers with fast current and flooded areas, in fresh water.
native to the basins
Summary of the regulations we found, with the source for each. Rules change; before keeping or transporting fish, check with the state environmental agency.
Conservation: Not on the Brazilian national list (Ministerial Ordinance GM/MMA No. 1.667/2026).
We found no species-specific rule beyond the region's general rules.
Allowed: Only exotic or hybrid species, 3 kg + 1 fish per day, with handline, rod, simple pole, or spinning or baitcasting reel. Nets prohibited. Keep the minimum distances from dams and reservoirs.
Source: Portarias IEF nº 154/2011 (São Francisco), 155/2011 (East) and 156/2011 (Grande/Paranaíba)
Allowed: In rivers, shore fishing only; in reservoirs, from a boat or from shore. Only non-native species, hybrids, and giant river prawn (camarão-gigante-da-malásia), up to 10 kg + 1 fish. Prohibited in floodplain lakes and within 1,000 m of dams.
Source: IN IBAMA nº 195/2008
Not dangerous. It has plates and spines on the body that can hurt your hand: hold it by the trunk, carefully.
Length-weight relationship W = a·Lb (a = 0.01738, b = 2.95; FishBase (relação peso-comprimento bayesiana, estimativa da própria espécie)). It's an average: a fat or lean fish can vary by 10% to 20%.
estimated weight
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Essential profile: size, length-weight, depth, countries and conservation come from FishBase and the cited regulations, and the texts were written from those sources. Season, time of day, sensitivities, technique and baits and lures are not included yet, because we did not find a good source for this species.
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