United States (contiguous states) country information

Common names: Croaker, Spotfin croaker
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Not common north of Los Angeles (Ref. 2850).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983
National Database:

Common names from other countries

Corvina de aleta manchada, Roncador aleta manchada, 斑鳍鼓石首鱼, ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Sciaenidae (Drums or croakers)
Etymology: Roncador: Spanish, roncar, roncador = snore, snort (1882) (Ref. 45335).
More on author: Steindachner.

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

marina bottenlevande; djupintervall 1 - 22 m (Ref. 96339). Subtropical; 42°N - 22°N, 125°W - 106°W

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Eastern Pacific: Point Conception in California, USA to southern Baja California, Mexico.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 70.0 cm TL hane/ej könsbestämd; (Ref. 9118); common length : 30.0 cm TL hane/ej könsbestämd; (Ref. 9118); publicerad maxvikt: 4.8 kg (Ref. 2850); rapporterad maxålder: 15 år (Ref. 56049)

Occur in sandy shores and bays, mostly in shallow surf zones, but also to 15 m depth. Often found near rocks and entrances to bays. Usually form small groups, but aggregate for spawning. Pelagic spawners (Ref. 56049). Feed on invertebrates, such as marine worms, clams, crabs and small crustaceans.

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Pelagic spawner (Ref. 56049).

Main reference Upload your references | referenser | Koordinator | Medarbetare

Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 24 January 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Sportfisk: ja

FAO(Publication : search) | FishSource |

Ytterligare information

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Metabolik
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Estimates based on models

Preferred temperature (Ref. 115969): 15.9 - 19.5, mean 17.8 (based on 20 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00851 (0.00413 - 0.01752), b=3.08 (2.91 - 3.25), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.3 ±0.44 se; based on food items.

Resiliens (Ref. 120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (tm=2.5; tmax=15).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (39 of 100).

Roncador stearnsii (Steindachner, 1876)