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

> Osteoglossiformes (Bony tongues) > Osteoglossidae (Arowanas)
Etymology: Scleropages: Greek, skleros = hard + Greek, page, -es = knot (Ref. 45335).
Eponymy: Francis Lascelles ‘Frank’ Jardine (1841–1919) was a pastoralist and pioneer associated with the exploration and settlement of the Cape York Peninsula in Queensland, where the Jardine River is named after him. [...] (Ref. 128868), visit book page.
More on author: Saville-Kent.

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

; süßwasser pelagisch. Tropical; ? - 15°C (Ref. 44894); 6°S - 14°S

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

Asia and Oceania: northern Australia and central-southern New Guinea (Ref. 58511).

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m 45.0 range ? - ? cm
Max length : 100.0 cm SL Männchen/unbestimmt; (Ref. 44894); common length : 55.0 cm SL Männchen/unbestimmt; (Ref. 44894)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 20 - 24; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 28 - 32.

Adults occur in still waters of streams and swamps where it is usually seen near the surface or close to shore among aquatic vegetation (Ref. 2847, 44894). Solitary, territorial and spawn prior to the wet season when surface water temperatures approach 30°C (Ref. 44894). Young feed primarily on microcrustaceans (Ref. 2847). Primarily a surface feeder, feeding on a variety of terrestrial and aquatic insects, small fishes, frogs, crustaceans, and some plant material (Ref. 44894). Mouthbrooders (Ref. 56180). Maximum weight reported in Ref. 5259 may be 12.27 kg (W. Lau, pers. Comm. 07/05). Important food fish (Ref. 58511) and a valuable aquarium fish (Ref. 83518).

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

Fertilized eggs are carried in the mouth of the female. Eggs hatch in 1-2 weeks. Larvae, with their enlarged yolk sac, are kept in or close to the mouth for another 4 or 5 weeks. Young fish commence feeding, primarily on microcrustaceans, at a size of 2-3 cm, well before the yolk sac is entirely resorbed. Become independent at a length of 3.5-4.0 cm.

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Allen, G.R., 1991. Field guide to the freshwater fishes of New Guinea. Publication, no. 9. 268 p. Christensen Research Institute, Madang, Papua New Guinea. (Ref. 2847)

IUCN Rote Liste Status (Ref. 130435: Version 2024-1)

nicht bedroht (LC) ; Date assessed: 14 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: nicht kommerziell; Aquakultur: kommerziell; Sportfisch: ja; Aquarium: Kommerziell

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5781 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.8 ±0.1 se; based on diet studies.

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (tm=4-5; Fec=30-130).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (73 of 100).

Scleropages jardinii (Saville-Kent, 1892)