dow's mojarra
Eucinostomus dowii
Spindle-shaped, silvery mojarra of shallow waters and estuaries of the eastern Pacific. It shows up in nets as bycatch.
Also called: carapicu-prateado, carapicu, mojarra, Silver mojarra
- maximum
- 20 cm
- record/max.
- 2.2 kg
who is the dow's mojarra
The silver mojarra is of the family Gerreidae and reaches 20 cm, with a common size of 12 cm. It lives in shallow waters of the eastern Pacific, from Panama to Peru, including the Galápagos Islands, over sand or mud bottoms, near the coast and in estuaries. It has a spindle-shaped, not very tall, silvery body with green reflections, and its fins are transparent, except for the black tips of the longest dorsal spines. It shows up as bycatch in nets and has no significant commercial interest.
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 dow's mojarra; in the meantime, see the similar species.
identification
Spindle-shaped, compressed and not very tall body, silvery with iridescent green reflections. The mouth is protractile, the preopercle edge is smooth, and the pelvic fins are long. The fins are transparent, except for the black tips of the longest dorsal spines. Compare it with the Pacific mojarra (Eucinostomus currani), which has a shorter, taller body, and with the Peruvian mojarra (Diapterus peruvianus), which has a diamond-shaped body.
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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
Lives in the eastern Pacific, from Panama to Peru, including the Galápagos Islands.
Habitat: Shallow coastal waters, over sand or mud, including estuaries.
rules for the dow's mojarra
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.
Poses no danger to anglers. Because it is small, it can be released without problems.
how much it weighs without taking it out of the water
Length-weight relationship W = a·Lb (a = 0.01122, b = 3.09; 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: Eucinostomus dowii (ficha da espécie)Size, length-weight, depth, habitat, distribution, biology, and IUCN status. Page checked on Oct 13, 2026.
- scientific FishBase: nomes populares de Eucinostomus dowiiNames by country and language.
