Klassifizierung / Names
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Osteoglossiformes (Bony tongues) >
Notopteridae (Featherbacks or knifefishes) > Notopterinae
Etymology: Chitala: Bangladesh local name; chitala: From rivers of Bengal & Behar.
More on author: Hamilton.
Taxonomic Remarks
new combination
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser demersal; pH range: 6.0 - 8.0; dH range: 5 - 19. Tropical; 24°C - 28°C (Ref. 2060)
Asia: Indus, Ganges-Brahmaputra and Mahanadi river basins in India. No valid records from Irrawaddy, Salween or other river basins of Myanmar. Reports of Chitala chitala from Thailand and Indo-China were based on Chitala ornata and those from Malaysia and Indonesia on Chitala lopis.
Länge bei der ersten Reifung / Größe / Gewicht / Alter
Geschlechtsreife: Lm 75.5  range ? - 91 cm
Max length : 122 cm SL Männchen/unbestimmt; (Ref. 4832); common length : 75.0 cm SL Männchen/unbestimmt; (Ref. 2686)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 9; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 117 - 127. The only species in which subadults and adults have a series of transverse gold or silver bars on the dorsum, but this color feature is not always present (Ref. 7431). Differs from C. ornata in never having ocellated spots and from C. blanci and C. lopis in never having a black spot on the pectoral fin base (Ref. 7431).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Facultative air-breathing (Ref. 126274); Adults inhabit freshwater rivers, lakes, beels, nullahs in the plains (Ref. 41236), reservoirs, canals and ponds (Ref. 1479). Feed on aquatic insects, mollusks, shrimps and small fishes (Ref. 1479). Females lay eggs usually on stake or stump of wood, males fan them with tail, keep them aerated and silt-free, guard them against small catfish and other predators; complete give-away to fishermen; females not observed at egg posts; moderately important food fish (Ref. 2686). Spawn once a year during May to August (Ref. 6459).
The male tends the clutch (Ref. 2060).
Roberts, T.R., 1992. Systematic revision of the old world freshwater fish family Notopteridae. Ichthyol. Explor. Freshwat. 2(4):361-383. (Ref. 7431)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell; Aquakultur: kommerziell; Sportfisch: ja; Aquarium: Kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5166 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01288 (0.00530 - 0.03134), b=3.05 (2.83 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
3.7 ±0.59 se; based on food items. |
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Generation time |
3.7 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Widerstandsfähigkeit (Ref. 120179) |
mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (tm=2). |
Anfälligkeit der Fischerei (Ref. 59153) |
Moderate to high vulnerability (48 of 100). 🛈 |
Preiskategorie (Ref. 80766) |
Unknown.
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Nährstoffe (Ref. 124155) |
Calcium = 72.1 [24.2, 211.9] mg/100g; Iron = 1.51 [0.55, 3.74] mg/100g; Protein = 17.4 [15.7, 19.1] %; Omega3 = 0.358 [0.132, 0.991] g/100g; Selenium = 104 [32, 279] μg/100g; VitaminA = 17.1 [3.8, 70.3] μg/100g; Zinc = 0.686 [0.386, 1.490] mg/100g (wet weight); based on nutrient studies. |