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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); defectiva: From the Latin defectivus (incomplete, imperfect), a reference to the incomplete bars.
More on author: Kottelat.
Environment: milieu / climate zone / গভীরতার পরিসীমা / distribution range
বাস্তুসংস্থান
; স্বাদু পানি সমুদতলে ভাসমান বেনথোপেলাজিক. Tropical
Asia: Nam Ngum and Nam Khan basins of the Mekong
আকৃতি / ওজন / Age
পরিপক্কতা : Lm ? range ? - ? cm
Max length : 4.9 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 36949)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
Anterior nostril pierced on front side of a flap; processus dentiformis present; lower lip interrupted medially, no median notch in upper lip; no median notch in lower jaw; body depth 14.3-15.8 %SL; caudal peduncle length 14.5-15.8 %SL, depth 10.5-11.8 %SL, 1.26-1.44 times in length; lateral line complete; anus about 1-2 eye diameters in front of anal-fin origin; 8.5 branched dorsal-fin rays; 5.5 branched anal-fin rays; caudal fin emarginate, with 9+8 branched rays; axillary pelvic lobe present; top of head spotted; body with 8-10 bars, as wide as or narrower than interspaces, not very regularly shaped and set, often dissociated into a blotch along side and a blotch along dorsal midline; a faint grey midlateral stripe or rows of longitudinally elongate blotches superimposed to the bar pattern; black bar at caudal-fin base more or less complete, often not reaching ventral midline, bent forward along dorsal midline; dorsal-fin base with a black spot at anterior extremity, followed by an orange dot and a grey elongate blotch (Ref. 36949). Mid-dorsal blotches may also be fused into a mid-dorsal stripe (Ref. 43281).
Body shape (shape guide): elongated.
Inhabits riffles and creeks (Ref. 36949).
Life cycle and mating behavior
পরিপক্কতা | প্রজনন | ডিম ছাড়া | ডিমসমূহ | ডিম্বধারন ক্ষমতা | শুককীট
Kottelat, M., 2000. Diagnosis of a new genus and 64 new species of fishes from Laos (Teleostei: Cyprinidae, Balitoridae, Bagridae, Syngnathidae, Chaudhuriidae and Tetraodontidae). J. South Asian Nat. Hist. 5(1):37-82. (Ref. 36949)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
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ইন্টারনেট সুত্র
Estimates based on models
Phylogenetic diversity index (সূত্র
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00310 - 0.01545), b=3.02 (2.85 - 3.19), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (সূত্র
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (সূত্র
120179): উচ্চ, সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৫ মাস (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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