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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Schistura: Greek, schizein = to divide + Greek, oura = tail; an allusion to forked caudal fins (Ref. 45335); deansmarti: Named for Dean Smart, British speleologist who collected most of the specimems and a strong voice for cave conservation in Thailand.
Eponymy: Dean Smart is a British speleologist who worked for the Thai Forestry Department. [...] (Ref. 128868), visit book page.
More on authors: Vidthayanon & Kottelat.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
; المياه العذبة القاع. Tropical
Asia: Tham Phra Sai Ngam cave in Thailand.
الحجم / وزن / العمر
النضج: Lm ?  range ? - ? cm
Max length : 10.5 cm SL ذكر/ مختلط الجنس; (Ref. 51711)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشعة الظهرية الناعمة (المجموع) : 12 - 13; أشعه شرجية لينه: 8. Body pinkish white in life, without color pattern; feebly developed suborbital flap in male, with a shallow groove outlining only tip of flap; a long, pointed flap-like nostril tube; eye subcutaneous, vestigial, in a small pit, or apparently missing; eye pit or slit often missing and not connected with groove bordering suborbital flap in male; in females, no groove in position homologous to that of groove behind suborbital flap; eye becoming indistinct at about 4 cm SL; snout conical; dorsal head profile flushed with that of body (Ref. 51711).
Body shape (shape guide): elongated.
Inhabits cave with only stagnant water in the dry season and with reportedly only moderate flow in the rainy season. Occurs approximately 200 m from the entrance. Mostly found resting on the bottom, sometimes free swimming, near crevices where they hide if chased.
دورة الحياة وسلوك التزاوج
النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
Vidthayanon, C. and M. Kottelat, 2003. Three new species of fishes from Tham Phra Wang Daeng and Tham Phra Sai Ngam caves in northern Thailand (Teleostei: Cyprinidae and Balitoridae). Ichthyol. Explor. Freshwat. 14(2):159-174. (Ref. 51711)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
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مصادر علي الأنترنت
تقديرات تستند إلى النماذج
مؤشر التنوع الشُعبي الوراثي (مرجع 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00724 (0.00326 - 0.01610), b=3.03 (2.86 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
مستوى غذائي (مرجع 69278) |
3.0 ±0.3 se; based on size and trophs of closest relatives |
المرونه (مرجع 120179) |
وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.). |
ضعف الصيد (Ref. 59153) |
Moderate vulnerability (39 of 100). 🛈 |