>
Siluriformes (Catfishes) >
Ictaluridae (North American freshwater catfishes)
Etymology: Noturus: Greek, noton = back + Greek, oura = tail; refred to the position of the tail over the back (Ref. 45335); hildebrandi: Named after Samuel F. Hildebrand, a prominent American ichthyologist (Ref. 10294).
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع. Subtropical; 37°N - 30°N
North America: tributaries of Mississippi River from North Fork Obion River in southwestern Kentucky to Homochitto River in southern Mississippi, USA.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 6.9 cm TL ذكر/ مختلط الجنس; (Ref. 86798); common length : 3.7 cm TL ذكر/ مختلط الجنس; (Ref. 12193)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
أشعه شرجية لينه: 12 - 17. Body slender; head flat. Adipose fin white or clear; pectoral fin short with 4-5 large sawlike teeth on rear edge; absence or presence of small teeth on front edge; rear edge of caudal fin straight or with slightly rounded corners; adipose and caudal fins broadly joined with tiny notch between. Color geographically variable. There are 2 subspecies: Noturus hildebrandi latus with shorter head and with 4 white or light yellow oval areas on uniform red-brown to black back; is strongly bicolored with brown to black upper side, white or yellow below. Noturus hildebrandi hildebrandi possesses longer head and prominently blotched color pattern above and almost to belly (Ref. 86798).
Inhabits mixed rock and sand riffles and runs of clear lowland creeks and small rivers. Often found near debris (Ref. 5723, 86798). Feeds on midge and caddis larvae, together with mayfly and stonefly nymphs (Ref. 10294).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
Download XML
مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00251 - 0.01261), b=3.10 (2.90 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
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 (10 of 100).
