رده بندی / Names
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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Eponymy: Dr Stephen Hamar Midgley (1918–2014) was an amateur ichthyologist and limnologist whose honorary doctorate was awarded by the University of Queensland (1994). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين; لب شور موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.. Tropical
Oceania: northern Australia.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 140 cm SL جنس نر / بدون خواص جنسي; (Ref. 44894); common length : 50.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 44894)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
شعاع نرم باله مخرجي: 16 - 19; مهره ها: 55 - 57. Eye size 12.9-21.8% HL. Because of its similarity to A. paucus, the remaining diagnosis refers to both A. midgleyi and A. paucus: a sleek body; strong jaws; jaws upturned slightly at symphyses, mouth broad; snout truncate in profile; head oblong, its width averaging 66% HL. Supraoccipital process narrow with parallel margins. Numerous fine, sharp teeth on palate in transverse band of four oblong groups. No rakers on posterior aspect of gill arches. Barbels thin and short, rarely reaching beyond pectoral fin base and less than 25% SL (Ref. 40908).
Inhabits in lakes, billabongs, rivers and to a lesser extent brackish estuaries and the tidal portion of rivers. Found in clear or turbid fresh water reservoirs and waterholes. Water is typically warm (23-35°C), with pH between 7.0-8.7 (Ref. 44894). Feeds mainly on fishes, prawns and crayfish. Various arthropods are also consumed. Breeds early in the wet season, sometimes extending into the late wet (November to March). Eggs are incubated orally by the male for 5-6 weeks; brooding males form groups in deeper water. Juveniles grow quickly, attaining 20-30 centimeters by the end of the first year, and sexual maturity is reached after 3 years. An excellent eating fish, rapidly growing in popularity (Ref. 44894).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-1)
خطر برای انسان ها
Traumatogenic (Ref. 58010)
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.1 ±0.61 se; based on food items.
جهندگی (Ref.
120179): خیلی آهسته, كمينه زمان لازم براي دو برابر شدن جمعيت بيش از 14 سال (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
