Classificazione / Nomi
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Cypriniformes (Carps) >
Psilorhynchidae (Mountain carps)
Etymology: Psilorhynchus: Greek, psilos = hairless + Greek, rhyngchos = snout (Ref. 45335); amplicephalus: Derived from ampli (wide, broad), and cephalic (head), in reference to its relatively broad head.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce benthopelagico. Tropical
Asia: Balishwar river in Assam, India.
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 5.7 cm SL maschio/sesso non determinato; (Ref. 75068)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Raggi dorsali molli (totale) : 11; Raggi anali molli: 7. Body spindle-shaped and subcylindrical, and head anteriorly compressed. Other diagnostic characters include scaleless abdomen, horizontally placed pectoral and pelvic fins, 35-36 scales along the lateral line series, dark brownish spots in the predorsal region and along the sides of the body, relatively bigger head, deeper body and smaller mouth; hump-like shape in the predorsal region of bigger specimens (Ref. 75068).
Body shape (shape guide): elongated.
Inhabits river with more water current and sandy bottom. Prefers sandy substrate with horizontally placed pectoral fin suited to withstand the water flow (Ref. 75068).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Arunachalam, M., M. Muralidharan and P. Sivakumar, 2007. Psilorhynchus amplicephalus, a new species from Balishwar River of Assam, India. Curr. Sci. 92(10):1352-1354. (Ref. 75068)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
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