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Beloniformes (Needle fishes) >
Belonidae (Needlefishes)
Etymology: Strongylura: Greek, strongylos = round + Greek, oura = tail (Ref. 45335).
Eponymy: Johann Ludwig (Louis) Gerard Krefft (1830–1881) was a German-born Australian adventurer, artist, zoologist and palaeontologist. [...] (Ref. 128868), visit book page.
More on author: Günther.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten; brackvatten pelagiska; djupintervall 0 - ? m. Tropical; 4°S - 24°S
Asia and Oceania: New Guinea and Australia.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 85.0 cm SL hane/ej könsbestämd; (Ref. 44894)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 16 - 18; Mjukstrålar i analfenan: 19 - 20.
Inhabits still or flowing rivers, from tidal reaches to far inland. Also found in some impoundments (Lake Argyle,WA). Often shelters among overhanging vegetation or submerged roots. Adults are infrequently found in coastal marine waters (Ref. 44894). Occurs in larger streams. Surface-dwelling predator of small fishes, insects (Ref. 205, 44894) and crustaceans (Ref. 44894). Oviparous (Ref. 205). Spawning is believed to occur sometimes between September and December. The presence of juveniles well inland and in impoundments suggests that it may spawn in freshwater (Ref. 44894). Eggs may be found attached to objects in the water by tendrils on the egg's surface (Ref. 205).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Oviparous (Ref. 205). Breeding occurs in shallow seas, estuaries, freshwater rivers, lakes or ponds (Ref. 205).
Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Traumatogenic
Mänskliga användningsområden
Fiskeri: kommersiell; Akvarium: Offentliga akvarier
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00135 (0.00059 - 0.00307), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.6 ±0.55 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): High vulnerability (62 of 100).
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