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Beloniformes (Needle fishes) >
Adrianichthyidae (Ricefishes) > Oryziinae
Etymology: Oryzias: Greek, oryza = rice; because of the habitat used by this fish (Ref. 45335); hadiatyae: Name for Renny Kurnia Hadiaty who contributed significantly to the exploration of fish diversity in the Malili Lakes area and discovered this endemic ricefish in remote Lake Masapi.
Eponymy: Dr Renny Kumia Hadiaty (1960–2019) was an Indonesian ichthyologist (see Hadiaty). (Ref. 128868), visit book page.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
; آب شيرين 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
Asia: Lake Masapi in central Sulawesi, Indonesia.
اندازه / وزن / سن
بلوغ: Lm ? range ? - ? cm
Max length : 4.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 85098); 4.6 cm SL (female)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
شعاع نرم باله پشتي (کل) : 8 - 10; شعاع نرم باله مخرجي: 19 - 22; مهره ها: 28 - 30. Diagnosed from all species of Adrianichthyidae in Sulawesi by the combination of the following characters: snout with a well marked concavity; a slightly upwards directed mouth; a slender but relatively wide body (body depth 18.2-25.7% SL, body width 10.9-14.5% SL); pelvic
fins with 5-6 rays inserting relatively close to the rear end of the body (prepelvic length >47.7% SL); anal fin with 19-22 rays inserting relatively close to the rear end of the body (preanal length >63% SL); dorsal fin with 8-10 rays inserted above 10-12th anal-fin ray; 28-30 vertebrae; large eyes (30-39.8% HL); scales on the lateral line 27-31, transversal scale rows ½ 10-14; absence of dark blackish, dark bluish, or steel blue body coloration or brilliant red marks in both sexes;
presence of dark brown blotches on the lateral body in adult males; and absence of these blotches in females (Ref. 85098).
Body shape (shape guide): elongated.
Inhabits blackwater lake which is almost circular and only a few meters deep, surrounded by rain forest. The introduced predatory snakehead, Channa striata, occupies the same shallow shoreline habitats of this species and appears likely to cause threats (Ref. 85098).
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Herder, F. and S. Chapuis, 2010. Oryzias hadiatyae, a new species of ricefish (Atherinomorpha: Beloniformes: Adrianichthyidae) endemic to Lake Masapi, Central Sulawesi, Indonesia. Raffles Bull. Zool. 58(2):269-280. (Ref. 85098)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00190 - 0.01207), b=3.13 (2.91 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
سطح تروفیک (مرجع
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
آسیبپذیری ماهیگیری (Ref.
59153): Low vulnerability (10 of 100).
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