Taxonomic Remarks
This species is placed in Clupeidae in Eschmeyer (CofF ver. July 2013: Ref. 93826), in Pristigasteridae by Lavoué (pers. comm., July 2013).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina pelagic-neritic; djupintervall 0 - 50 m (Ref. 188). Tropical; 25°N - 3°N, 109°W - 77°W (Ref. 188)
Eastern Central Pacific: Mazatlán, Mexico to Ecuador.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 25.0 cm SL hane/ej könsbestämd; (Ref. 55763); common length : 15.0 cm SL hane/ej könsbestämd; (Ref. 55763)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 0; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 49 - 51. Belly with about 27 or 28 scutes. Lower jaw projecting, mouth pointing obliquely upward; a distinct toothed hypo-maxillary bone between hind tip of pre-maxilla and lower bulge of maxilla blade; upper jaw not reaching back beyond eye center. Dorsal fin behind midpoint of body; anal fin long, its origin a little before dorsal fin. A silver band along flank.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Occurs in coastal waters (Ref. 9336), including estuaries to a depth of 50 m (Ref. 96339).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: husbehovsfiske
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 25.4 - 28.5, mean 27.8 °C (based on 54 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00374 - 0.01018), b=3.07 (2.93 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (21 of 100).
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