teta
Hypostomus robinii
Armored catfish from clear, fast-flowing streams, native to Trinidad. It eats algae and has facultative air breathing, like others of its genus.
Also called: cascudo-de-Trinidad, teta
- maximum
- 28 cm
who is the teta
Armored catfish of the family Loricariidae, freshwater, reaching 27.5 cm. It occurs in Trinidad, in clear, fast-flowing streams, where it scrapes algae and periphyton off the rocks. Like others of its genus, it has facultative air breathing. Fish of this family have bodies covered in bony plates and a suction-cup mouth. Anglers catch it commercially and it is sold for the aquarium trade. It is not a sport fish.
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 teta.
identification
Armored catfish with a body covered in bony plates and a suction-cup mouth, typical of the family. It lives in clear, fast-flowing streams, clinging to rocks to scrape periphyton. To tell it apart from other armored catfish, check the location: this species is only recorded in Trinidad.
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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.
where found
Native to Trinidad and Tobago, in clear, fast-flowing streams. Not recorded in Brazil.
Habitat: Clear, fast-flowing streams, over rocks.
rules for the teta
Summary of the regulations we found, with the source for each. Rules change; before keeping or transporting fish, check with the state environmental agency.
We found no species-specific rule beyond the region's general rules.
catch and release
catch and release Releasing the fish alive, quickly and with a wet hand. During a closed season it isn't always allowed: what the regulation says applies.
Armored catfish have a spine on the pectoral fin that can injure. Handle with care and return it to the water quickly.
how much it weighs without taking it out of the water
Length-weight relationship W = a·Lb (a = 0.01585, b = 2.95; FishBase (relação peso-comprimento bayesiana, estimativa pelo gênero e formato do corpo)). It's an average: a fat or lean fish can vary by 10% to 20%.
estimated weight
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sources and references
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.
- scientific FishBase: Hypostomus robinii (ficha da espécie)Size, length-weight, depth, habitat, distribution, biology, and IUCN status. Page checked on Oct 13, 2026.
- scientific FishBase: nomes populares de Hypostomus robiniiNames by country and language.