Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مرتبطة بالشعاب. 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).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm TL ذكر/ مختلط الجنس; (Ref. 9118); common length : 20.0 cm TL ذكر/ مختلط الجنس; (Ref. 9118)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
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).
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.
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
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)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: غير مهمة تجارياً; حوض مائي: احواض مائية عامة
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 20.6 - 29.1, mean 25.1 °C (based on 236 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [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).
مستوى غذائي (Ref.
69278): 3.5 ±0.37 se; based on food items.
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
Nutrients (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);
