Common names from other countries
Classificazione / Nomi
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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); sonarengaensis: Name 'sonarengaensis' from the type locality of the species, Krem (= cave) Sonarenga. A noun in apposition.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce demersale. Subtropical
Asia: India.
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 7.3 cm SL maschio/sesso non determinato; (Ref. 137714)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Raggi dorsali molli (totale) : 12; Raggi anali molli: 8; Vertebre: 35 - 37. This species is distinguished from its congeners by the following set of characters: a color pattern of 13-26 vertically elongate to circular mid-lateral black blotches (brownish in life) overlayered on a grayish black mid-lateral stripe on a dull white or pale-beige (golden brown in life) body; predorsal color pattern variable consisting of discrete saddles, or combination of saddles and longitudinally elongate anterior most blotches, or two parallel longitudinal stripes, and/or a combination of each; 7-8 discrete sub-dorsal and post-dorsal saddles not contiguous with the mid-lateral stripe, except the posterior most saddle sometimes reaching the stripe; and a short vertical black bar medially occupying the caudal-fin base; dorsal-fin origin nearly opposite to pelvic-fin origin; complete lateral line; short, shallow adipose crest on dorsal and ventral midlines of caudal peduncle; moderately forked caudal fin; axillary pelvic lobe present; prominent processus dentiformes on upper jaw; the chest naked; 9-8 + 8 caudal-fin branched rays; 8½ branched dorsal-fin rays; and no discernible sexual dimorphism (Ref. 137714).
Body shape (shape guide): elongated; Cross section: oval.
This species inhabits a small, stagnant muddy pool measuring approximately 0.5 × 0.8 m2 and about 0.7 m deep, situated roughly 700 m from the main entrance. The substrate of the pool consists predominantly of sand interspersed with scattered pebbles (Ref. 137714).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Mukhim, D.K.B., K. Sarma, H. Choudhury, R. Chandran, R. Das, R.K. Singh, D.P. Warbah, U.K. Sarkar and D. Sarma, 2024. Schistura sonarengaensis, a new species of cave-dwelling loach (Teleostei: Nemacheilidae) from Meghalaya, northeast India. J. Fish Biol. 105:1240-1255. (Ref. 137714)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: di nessun interesse
Strumenti
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Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00323 - 0.01553), b=3.03 (2.86 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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