Chitala chitala, Clown knifefish : fisheries, aquaculture, gamefish, aquarium

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Chitala chitala (Hamilton, 1822)

Clown knifefish
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Chitala chitala
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Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Osteoglossiformes (Bony tongues) > Notopteridae (Featherbacks or knifefishes) > Notopterinae
Etymology: Chitala: Bangladesh local name;  chitala: From rivers of Bengal & Behar.  More on author: Hamilton.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; swasser demersal; pH range: 6.0 - 8.0; dH range: 5 - 19.   Tropical; 24°C - 28°C (Ref. 2060)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

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.

Length at first maturity / Size / Gewicht / Alter

Maturity: 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 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).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

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).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

The male tends the clutch (Ref. 2060).

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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. 123251)

  Gefährdung zunehmend (NT) ; Date assessed: 28 May 2010

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: weniger kommerziell; Aquakultur: kommerziell; Sportfisch: ja; Aquarium: Kommerziell
FAO - Publication: search | FishSource |

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Ablaichen
Spawning aggregation
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Eier
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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5166   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.7   ±0.59 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (tm=2).
Verwundbarkeit (Ref. 59153):  High vulnerability (58 of 100) .
Preiskategorie (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 85.7 [31.9, 252.9] mg/100g ; Iron = 1.42 [0.58, 3.22] mg/100g ; Protein = 17.3 [15.8, 19.1] % ; Omega3 = 0.275 [0.122, 0.660] g/100g ; Selenium = 78.8 [31.3, 226.4] μg/100g ; VitaminA = 16.7 [3.8, 63.9] μg/100g ; Zinc = 0.716 [0.383, 1.756] mg/100g (wet weight); based on nutrient studies.