Johnius elongatus, Spindle croaker : fisheries

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Johnius elongatus Lal Mohan, 1976

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

> Eupercaria/misc (Various families in series Eupercaria) > Sciaenidae (Drums or croakers)

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

; marin dmersal; profondeur - 30 m (Ref. 3490), usually - m (Ref. ).   Tropical; 0°C -

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

Western Indian Ocean: west coast of India and Sri Lanka.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL mâle / non sexé; (Ref. 3490); common length : 20.0 cm TL mâle / non sexé; (Ref. 3490)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 10 - 11; Rayons mous dorsaux (Total): 25-29; Épines anales 2; Rayons mous anaux: 7. Snout swollen, projecting beyond the ventral mouth. Mental pores surrounded by thickened skin, produced into two short, irregular tags between the median and first lateral pores. Teeth differentiated into large and small upper jaw, those in the outer row close-set and enlarged, but not canine-like. Lower jaw teeth uniformly villiform. Sagitta with a tadpole-shaped impression, the "tail" of which is expanded and deepened as a hollow cone. Gillrakers short and narrow, 6 or 7 on lower limb of first arch. Second part of dorsal fin with 1 spine and 25-229 soft rays. Swim bladder hammer-shaped, with 13 or 14 pairs of arborescent appendages, the first branching in the head.

Biologie     Glossaire (ex. epibenthic)

Occurs in coastal waters. Feeds on benthic worms and crustaceans. Marketed fresh and also dried salted.

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Lal Mohan, R.S., 1984. Sciaenidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51). Vol. 4. FAO, Rome. pag. var. (Ref. 3490)

Statut dans la liste rouge de l'IUCN (Ref. 124695)

  Données manquantes (DD) ; Date assessed: 27 September 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: commercial
FAO - Publication: search | FishSource |

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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00435 - 0.01912), b=3.07 (2.90 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.3   ±0.39 se; based on food items.
Résilience (Ref. 120179):  Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité (Ref. 59153):  Low vulnerability (25 of 100) .
Catégorie de prix (Ref. 80766):   Medium.