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Anchoa walkeri Baldwin & Chang, 1970

Persistent anchovy
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Anchoa walkeri   AquaMaps   Data sources: GBIF OBIS
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Image of Anchoa walkeri (Persistent anchovy)
Anchoa walkeri
Picture by Robertson, R.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Straalvinnigen) > Clupeiformes (Herrings) > Engraulidae (Anchovies) > Engraulinae
Etymology: Anchoa: Italian ancioa = anchovy (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecologie

; marien; zoetwater; brakwater; diepteverspreiding 0 - 50 m (Ref. 96339).   Tropical; 31°N - 5°N, 115°W - 77°W (Ref. 189)

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Eastern Central Pacific: Gulf of California at San Felipe, Baja California and along Sonora and Sinaloa coasts, Mexico, south to Panama, possibly reaching further south.

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 14.5 cm TL mannelijk/geslacht niet bekend; (Ref. 96339)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Anale stekels 0; Anale zachte stralen: 23 - 32. Snout moderately pointed, about 3/4 eye diameter; maxilla long, tip sharply pointed, reaching to or just beyond gill opening, but shorter and more blunt at 4 to 5 cm standard length; gill cover canals of walkeri-type. Pectoral fins large, tip reaching to beyond pelvic fin base; anal fin origin below dorsal fin origin or a little behind. Silver stripe along flank, as eye in some places.

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Presumably schooling and most often found in warm, murky waters near shore and in bays near river mouths (specimens taken some km up the Rio Santiago, Nayarit, Mexico). Capable of tolerating lower salinities than that of the sea (Ref. 9298). The ovarian eggs are elliptical. Caught as a by-catch of encircling, lamparo, and trawl nets (Ref. 9298).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Spawn in school (Ref. 205).

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988. 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(7/2):305-579. Rome: FAO. (Ref. 189)

Status op de Rode Lijst van het IUCN (Ref. 120744)

  Niet bedreigd (LC) ; Date assessed: 04 February 2009

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Preferred temperature (Ref. 115969): 23.2 - 28.6, mean 27.2 (based on 32 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00513 (0.00235 - 0.01120), b=3.14 (2.96 - 3.32), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.4   ±0.4 se; Based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Kwetsbaarheid (Ref. 59153):  Low vulnerability (16 of 100) .
Prijsklasse (Ref. 80766):   Medium.