red cornetfish
Fistularia petimba · Fistulariidae · predator
Fish with a tubular snout that lives on soft shelf bottoms, reddish in color, which eats small fish and shrimp. It turns up on the line now and then and is caught for subsistence.
Also called: trombeta-vermelha, corneta colorada, trompeta, red cornetfish
- maximum
- 200 cm
- record/max.
- 4.7 kg
- depth
- 18–57 m
the right time
to be on the water
Choose the place and the species. The index, from 0 to 100, combines weather, sun, moon and tide with each fish's habits. Up to 28 days, with each day's confidence.
Reading the weather across 3 global models and 31 simulations…
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hour by hour
slide your finger or mouse over the chart to see each hoursee hour-by-hour table
why this index at —?
choose the day
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.
the fishing month at a glance
what's the best window for the crew?
Choose how many fishing days. We compare each stretch by its average index, discount days with a warning or closed season, and show the 3 best.
trend for the coming weeks
Line: the middle value of 31 simulations of the American GEFS model. Band: where 8 out of 10 fall. Narrow, firm trend; wide, high uncertainty.
everything about the red cornetfish
who is the red cornetfish
Fish of the family Fistulariidae, with a tube-shaped snout and an elongated body. Records reach 200 cm, although one specialist has not seen specimens over 100 cm. It lives in coastal areas of soft bottom, usually between 18 and 57 m. It occurs from Argentina and southern Brazil to Massachusetts, in the United States, including the Caribbean and the Gulf of Mexico. It eats small fish and shrimp. It is caught now and then on line and for subsistence.
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 red cornetfish; in the meantime, see the similar species.
identification
Elongated body, reddish or orange-brown, with a row of bony plates along the middle of the back, which is the main mark. Unlike the trumpetfish (Fistularia tabacaria), which is brown on top and has a row of blue dots on the back, this one is reddish and has bony plates. As both live in the same region, check the color and the plates before deciding.
where found
It occurs from Argentina and southern Brazil to Massachusetts, in the United States, including the Caribbean, the Gulf of Mexico and Cuba.
Habitat: Coastal areas of soft bottom, usually between 18 and 57 m.
coast
rules for the red cornetfish
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.
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.
It has no spines or venom and poses no danger to people. When releasing it, hold it by the body, not by the tube-shaped snout.
in the kitchen
It is caught in subsistence fishing, for local consumption.
how much it weighs without taking it out of the water
Length-weight relationship W = a·Lb (a = 0.00058, b = 3.0; 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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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: Fistularia petimba (ficha da espécie)Size, length-weight, depth, habitat, distribution, biology, and IUCN status. Page checked on Oct 13, 2026.
- scientific FishBase: nomes populares de Fistularia petimbaNames by country and language.
- official Portaria GM/MMA nº 1.667, de 27 de abril de 2026: Lista Nacional Oficial de Espécies da Fauna Ameaçadas de Extinção (peixes e invertebrados aquáticos)The species is not on the list. Checked in the DOU of April 28, 2026.
similar species
where each number comes from
The weather comes from three independent global models, cross-checked hour by hour: when they agree, confidence goes up; when they diverge, the band between them shows on the chart. Beyond 16 days, we use the GEFS ensemble of 31 simulations: if 20 of the 31 predict rain, the chance of rain is 65%. Sun and moon are calculated astronomically, with no uncertainty.
The index adds up, weighted for each species: time of day (species curve anchored to real sunrise and sunset), moon (transits, rise and set, phase), pressure (3 h trend and 24 h swing), water temperature (in rivers, estimated from air temperature; at sea, estimated by an ocean model), wind, rain, clouds, tide and the month in the species' cycle.
sources for this lookup
how accurate the forecast is
Accuracy measured in the reference project (4 regions, 93 days, forecast vs. observed): maximum temperature is off by 0.6 °C on average the next day and 1.7 °C at 7 days; rain of 5 mm or more is detected 76% of the time the next day and 57% at 7 days. Detection isn't everything: the false alarm rate isn't published here yet, and 93 days in 4 regions is still a small sample. We now also measure every day, at the app's destinations: