Rhencus macracanthus, Longspine grunt : fisheries

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Rhencus macracanthus (Günther, 1864)

Longspine grunt
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Image of Rhencus macracanthus (Longspine grunt)
Rhencus macracanthus
Afbeelding van Robertson, R.

Classificatie / Namen Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Haemulidae (Grunts) > Haemulinae
Etymology: Rhencus: ρογκοζ (s (snoring).
More on author: Günther.

Environment: milieu / Klimaatzone / Diepte / distribution range Ecologie

marien; brak water benthopelagisch; diepte 1 - 30 m. Tropical; 24°N - 2°S, 110°W - 75°W

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

Eastern Pacific: Mexico to Ecuador.

Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?  range ? - ? cm
Max length : 37.0 cm TL mannelijk / geslacht onbekend; (Ref. 55763); common length : 20.0 cm TL mannelijk / geslacht onbekend; (Ref. 55763)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Body oblong, moderately compressed, and somewhat deep (depth contained 2.5 to 2.7 times in standard length); mouth small and terminal, its posterior end located at the same level as the anterior rim of the eye; first gill arch with 18 to 23 gill rakers; dorsal fin deeply notched, with 12 to 14 spines and 13 to 14 soft rays (XII-IV, 13-14); dorsal and anal fins with a scaly sheath, the soft portions with international scales; second anal spine much stronger and longer than third; back dark brown or gray; belly silvery; back and flanks with 4 or 5 indistinct, dark, transverse bars (sometimes absent); operculum sometimes with a small, dark spot (Ref. 55763).
Body shape (shape guide): fusiform / normal.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Found near the littoral zone of coastal waters (Ref. 9114). Penetrates estuaries (Ref. 9114). Marketed fresh (Ref. 9114). Depth range assumed (RF).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Oviparous, distinct pairing during breeding (Ref. 205).

Hoofdreferentie Upload uw referenties | Referenties | Coördinator | Medewerkers

Tavera, J., A. Acero P. and P.C. Wainwright, 2018. Multilocus phylogeny, divergence times, and a major role for the benthic-topelagic axis in the diversification of grunts (Haemulidae). Molecular Phylogenetics and Evolution 121(2018):212-223. (Ref. 125434)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)

  Niet bedreigd (LC) ; Date assessed: 25 May 2007

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: commercieel
FAO - Publication: search | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 123201): 26.3 - 29.1, mean 28.2 °C (based on 136 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00809 - 0.02051), b=3.07 (2.94 - 3.20), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.5   ±0.5 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (27 of 100). 🛈
Prijsklasse (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 100 [20, 195] mg/100g; Iron = 0.829 [0.431, 1.599] mg/100g; Protein = 18.2 [16.4, 20.1] %; Omega3 = 0.225 [0.100, 0.413] g/100g; Selenium = 44.2 [24.1, 80.7] μg/100g; VitaminA = 33.7 [15.0, 75.2] μg/100g; Zinc = 1.5 [1.0, 2.2] mg/100g (wet weight);