bluestreak drum
Elattarchus archidium
Uncommon croaker of sandy bays and lagoons of the eastern Pacific, from the Gulf of California to Peru. It appears as incidental catch.
Also called: corvineta-de-listra-azul, corvineta gurrubata, bluestreak drum
- maximum
- 44 cm
- depth
- 2–38 m
who is the bluestreak drum
Fish of the family Sciaenidae, with an elongated body, reaching 43.9 cm. Common size 15 cm. It lives from 2 to 38 m, in sandy bays and lagoons, from the Gulf of California to Peru, and rarely enters estuaries. It stays near the bottom and in the water above it. It is an uncommon species. It is not targeted by fishing and appears as incidental catch. The common name highlights a blue stripe on the body.
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 bluestreak drum; in the meantime, see the similar species.
identification
Elongated, fusiform body of a croaker, with a blue stripe, as the common name indicates. It lives in sandy bays and lagoons and hardly ever enters estuaries. It is smaller than the weakfishes of the same coast: it reaches 43.9 cm, compared with 130 cm for the queen weakfish (Cynoscion albus) and 60 cm for the smalleye croaker (Nebris occidentalis).
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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
Eastern Pacific, from the Gulf of California to Peru, including Central America, in sandy bays and lagoons.
Habitat: Sandy bays and lagoons, 2 to 38 m deep.
rules for the bluestreak drum
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.
Harmless to people. It is bycatch, so release it quickly and carefully.
how much it weighs without taking it out of the water
Length-weight relationship W = a·Lb (a = 0.00759, b = 3.05; 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: Elattarchus archidium (ficha da espécie)Size, length-weight, depth, habitat, distribution, biology, and IUCN status. Page checked on Oct 13, 2026.
- scientific FishBase: nomes populares de Elattarchus archidiumNames by country and language.
