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Aulopiformes (Grinners) >
Paralepididae (Barracudinas)
Etymology: Stemonosudis: Greek, stemon, -onos = warp, weft + Latin, sudis = esox, fish of the Rhine, cited by Plinius 9.15; it also means "stake" (Ref. 45335).
Taxonomic Remarks
The specific epithet is spelled elongatus in Eschmeyer (CofF ver. Jul. 2010: Ref. 84883) that recommends however to change in elongata, which we follow here.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 18 - 330 m (Ref. 58302). Tropical
Indo-Pacific: off east Africa, Madagascar to the Marquesas; south to Australia and New Caledonia.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 11.7 cm SL hane/ej könsbestämd; (Ref. 52915)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i analfenan: 49 - 51; Ryggkotor: 115 - 121. This species is distinguished by the following characters: body very slender; anal-fin base very long, with 49-51 rays; anterior nostril is above the posterior end of maxilla; pelvic-fin origin at about middle of the fish, prepelvic length 46.8-51.4% SL; dorsal-fin origin at about middle of the distance or space between origins of pelvic and anal fins; distance or space between origins of pelvic and dorsal fins 48.5-57.1% of distance or space between origins of pelvic and anal fins; on each gill raker, usually with 1 or 2 small, stout teeth; prehaemal vertebrae 48-49, total vertebrae 115-121; total lateral-line scales 102-108; caudal peduncle long, its length about 3 times eye diameter; body uniformly dark brown to black in adults (Ref. 127467).
Body shape (shape guide): elongated; Cross section: compressed.
Epi- to mesopelagic in habitat (Ref. 58302).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Ho, H.-C. and C.-H. Huang, 2022. First adult record, redescription and distribution of Stemonosudis elongata (Aulopiformes: Paralepididae). Zootaxa 5189(1):131-137. (Ref. 127467)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 18 - 27.2, mean 22.4 °C (based on 119 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00186 (0.00078 - 0.00447), b=3.13 (2.92 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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