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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Coelorinchus: Greek, koilos = a hollow + Greek, rhyngchos = jaw (Ref. 45335).
More on author: Gilbert.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري قاعية التغذية و المعيشة; غير مهاجرة; نطاق العمق 180 - 300 m (Ref. 9315). Deep-water; 37°N - 22°N, 123°W - 107°W (Ref. 1371)
Eastern Pacific: southern California and northern Gulf of California; probably also in outer slope waters of Baja California and mainland Mexico.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 34.0 cm TL ذكر/ مختلط الجنس; (Ref. 1371)
الأشواك الظهرية (المجموع) : 2; الأشعة الظهرية الناعمة (المجموع) : 7 - 9; شوكة شرجية: 0. Body tapering to a point posteriorly from behind the origin of the first dorsal fin. Head large; the eyes also large; the snout relatively short, its antero-lateral margin incompletely supported by bone, its terminal scute broad, blunt. Head ridges strong but not especially spiny; the underside of the snout, the ventral margins on the suborbital and mandible naked. Light organ large, lens-shaped. Overall color swarthy to grayish; the fins dusky to black; the mouth pallid; the gill cavity blackish, paler inwardly (Ref. 1371). A large, black, naked fossa midventrally on chest; anus at origin of the anal fin. Smooth second dorsal spine at all sizes (Ref. 26798). Branchiostegal rays: 6-6 (Ref. 36385).
Body shape (shape guide): elongated; Cross section: circular.
Stomach contents reveal the ingestion of shrimps and other crustaceans (Ref. 9315). Oviparous, with planktonic larvae (Ref. 36385).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 8 - 12.8, mean 11.5 °C (based on 10 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00245 (0.00126 - 0.00477), b=3.19 (3.02 - 3.36), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.6 ±0.55 se; based on food items.
المرونه (مرجع
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).
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