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Lithognathus mormyrus (Linnaeus, 1758)

Sand steenbras
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Native range | All suitable habitat | Point map | Year 2050
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Lithognathus mormyrus   AquaMaps   Data sources: GBIF OBIS
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Lithognathus mormyrus
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Algeria country information

Common names: Asqqoum, Kahli, Marbré
Occurrence: native
Salinity: brackish
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/ag.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Bauchot, M.-L., 1987
National Database:

Common names from other countries

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Sparidae (Porgies)
Etymology: Lithognathus: Greek, lithos = stone + Greek, gnathos = jaw (Ref. 45335).
  More on author: Linnaeus.

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

marin; saumâtre démersal; profondeur 0 - 150 m (Ref. 3688), usually 10 - 20 m (Ref. 37413).   Subtropical; 48°N - 35°S, 25°W - 36°E

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Eastern Atlantic: Bay of Biscay, Strait of Gibraltar and Mediterranean; southward to Cape of Good Hope, South Africa; around the Canary and Cape Verde Islands (Ref. 3688); and Madeira Is (Ref. 74541). Western Indian Ocean: southern Mozambique (Ref. 3688). Not found in tropical east Africa (Ref. 3198), Red Sea (Ref. 84159) and Black Sea (Ref. 4781, 112870).

Length at first maturity / Taille / Poids / Âge

Maturity: Lm 17.4, range 20 - ? cm
Max length : 55.0 cm TL mâle / non sexé; (Ref. 3397); common length : 30.0 cm TL mâle / non sexé; (Ref. 3688); âge max. reporté: 12 années (Ref. 13716)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 11; Rayons mous dorsaux (Total) : 12 - 13; Épines anales: 3; Rayons mous anaux: 10 - 11.

Biologie     Glossaire (ex. epibenthic)

Found on the shelf, over sandy and muddy bottoms as well as seagrass-beds and estuaries. Gregarious, sometimes forming sizeable schools. Feeds on worms, mollusks and small crustaceans. Protandric hermaphrodite (Ref. 3688). Flesh excellent (Ref. 3198); sold fresh and dried.

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

A monandric species (Ref. 55367). In the northern Adriatic, overall male to female ratio was 1:1.62. Sex inversion occurred mainly between 24.1 and 35.2 cm TL and 3.5 years of age (Ref. 55367). Conflicting descriptions of the reproductive style of this species have been reported, including possible gonochorism (Ref. 103751). Also Ref. 28504.

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Bauchot, M.-L. and J.-C. Hureau, 1990. Sparidae. p. 790-812. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3688)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Préoccupation mineure (LC) ; Date assessed: 16 August 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

Pêcheries: intérêt commercial mineur; pêche sportive: oui
FAO(pêcheries: production; publication : search) | FIRMS (Stock assessments) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 17.1 - 27.5, mean 24.4 (based on 224 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.01073 - 0.01347), b=3.02 (2.99 - 3.05), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Niveau trophique (Ref. 69278):  3.5   ±0.39 se; based on food items.
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.24; tm=2).
Prior r = 0.54, 95% CL = 0.36 - 0.81, Based on 1 full stock assessment.
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (40 of 100).
Climate Vulnerability (Ref. 125649):  Low to moderate vulnerability (31 of 100).
Catégorie de prix (Ref. 80766):   Medium.