whitefin weakfish
Cynoscion albus
Coastal and estuary croaker of the eastern Pacific, from southern Mexico to Ecuador, with a small commercial catch.
Also called: pescada-rainha, corvina alba, queen corvina, whitefin weakfish
- maximum
- 130 cm
who is the whitefin weakfish
Fish of the family Sciaenidae, with an elongated, fusiform body, reaching 130 cm. Common size 50 cm. Sexual maturity occurs at about 72 cm. It lives from southern Mexico to Ecuador, in coastal waters, estuaries and shallow bays. Adults stay on the coast, and juveniles enter estuaries, river mouths and shallow bays. It eats shrimp, fish and cephalopods. It has a small commercial catch.
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 whitefin weakfish; in the meantime, see the similar species.
identification
Elongated, fusiform body, typical of croakers, with a large mouth and canine teeth at the tip of the upper jaw, common in the genus Cynoscion. Adults stay in coastal waters, and juveniles enter estuaries, river mouths and shallow bays. It reaches 130 cm, more than the bigmouth weakfish (Cynoscion praedatorius), at 110 cm, and the scalyfin weakfish (Cynoscion squamipinnis), at 64 cm.
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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 southern Mexico to Ecuador, in coastal waters, estuaries and bays.
Habitat: Coastal waters, estuaries and river mouths.
rules for the whitefin weakfish
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. If it is caught by accident, release it quickly and carefully.
how much it weighs without taking it out of the water
Length-weight relationship W = a·Lb (a = 0.00832, b = 3.06; 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: Cynoscion albus (ficha da espécie)Size, length-weight, depth, habitat, distribution, biology, and IUCN status. Page checked on Oct 13, 2026.
- scientific FishBase: nomes populares de Cynoscion albusNames by country and language.
