Ecuador country information

Common names: Polla blanca
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ec.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Chao, L.N., 1995
National Database:

Common names from other countries

Polla blanca, Corvinilla ronca, Corvineta ronca, ... more

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Sciaenidae (Drums or croakers)
Etymology: Ophioscion: Greek, ophis = serpent + Greek, skion, skiaina = barbel, red mullet (Ref. 45335).
More on authors: Jordan & Gilbert.

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

seewasser; brackwasser demersal; tiefenbereich 10 - 60 m (Ref. 91172). Tropical; 15°N - 2°N

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Eastern Pacific: Guatemala to northern Ecuador.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 25.0 cm TL Männchen/unbestimmt; (Ref. 9118); common length : 18.0 cm TL Männchen/unbestimmt; (Ref. 55763); max. veröff. Gewicht: 161.94 g (Ref. 124487)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Body somewhat elongate, moderately compressed, with an arched dorsal profile; snout prominent; mouth small and inferior; lower jaw enclosed by upper; edge of preopercle serrate, with 8 to 10 strong spines at the angle; anal rays 8; lower branch of first gill with 13 to 15 gill rakers; body silvery, back darker; flanks without apparent stripes; fins charcoal gray; upper part of branchial cavity black spotted (Ref. 55763).

Found in shallow water but not common in estuaries with low salinities (Ref. 9118). Feeds on benthic invertebrates (Ref. 9118).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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Chao, L.N., 1995. Sciaenidae. Corvinas, barbiches, bombaches, corvinatas, corvinetas, corvinillas, lambes, pescadillas, roncachos, verrugatos. p. 1427-1518. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para identificacion de especies para los fines de la pesca. Pacifico Centro-oriental. 3 volumes. 1813 p. (Ref. 9118)

IUCN Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 23 January 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

FAO(Publication : search) | FishSource |

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Trophic ecology
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Ecology
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Estimates based on models

Preferred temperature (Ref. 115969): 24.3 - 29.1, mean 27.5 (based on 26 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00912 (0.00570 - 0.01458), b=3.03 (2.90 - 3.16), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.5 ±0.37 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (15 of 100).

Ophioscion imiceps (Jordan & Gilbert, 1882)