Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino associati a barriera corallina. Tropical; 32°N -
Eastern Pacific: throughout Gulf of California south to Peru. Recorded in the Galapagos Islands during the 1982-83 El Niño (Ref. 9405).
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 25.0 cm TL maschio/sesso non determinato; (Ref. 9118); common length : 20.0 cm TL maschio/sesso non determinato; (Ref. 9118)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Body elongate, moderately compressed, and deep, with a strongly arched dorsal profile; snout prominent; mouth small and sub-terminal; lower jaw enclosed by upper; chin with 5 pores but without barbels; edge of preopercle slightly serrate; lower branch of first gill arch with 6 gill rakers; second dorsal fin very long, with 32 to 33 soft rays; body uniformly dark, from purplish bronze to grayish brown; fins dark or blackish (Ref. 55763).
Body shape (shape guide): fusiform / normal; Cross section: other (see Diagnosi.
Adults are secretive nocturnal fish that hide under ledges by day and come out only at night to feed on the epifauna of the substrate. The adults sometimes form large inactive aggregations in caves, but little or no feeding occurs. Schools of juveniles appear only in the summer.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: scarso interesse commerciale; Acquario: Acquari pubblici
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 20.6 - 29.1, mean 25.1 °C (based on 236 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00427 - 0.01777), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.5 ±0.37 se; based on food items.
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (15 of 100).
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Nutrienti (Ref.
124155): Calcium = 70.8 [36.4, 114.2] mg/100g; Iron = 0.672 [0.340, 1.125] mg/100g; Protein = 19.5 [18.2, 20.9] %; Omega3 = 0.154 [0.084, 0.231] g/100g; Selenium = 35.3 [21.3, 64.1] μg/100g; VitaminA = 81.1 [27.7, 265.5] μg/100g; Zinc = 1.3 [0.9, 1.8] mg/100g (wet weight);
