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Atheriniformes (Silversides) >
Atherinidae (Silversides) > Craterocephalinae
Etymology: Craterocephalus: Greek, krater, -eros = bowl, mixing vessel + Greek, kephale = head (Ref. 45335).
Eponymy: Captain Jan Willem van Nouhuys (1869–1963) was a Dutch naval officer commanding the ships on expeditions in New Guinea (1903, 1907 & 1909). [...] (Ref. 128868), visit book page.
More on author: Weber.
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; sötvatten bentopelagisk; pH range: 7.0 - 7.8; dH range: 8 - 18. Tropical; 22°C - 24°C (Ref. 13614); 4°S - 8°S
Asia and Oceania: Lorentz River in Irian Jaya, Indonesia and Upper Fly-Strickland River systems in Papua New Guinea.
Size / Vikt / Age
Könsmognad: Lm ?  range ? - ? cm
Max length : 10.0 cm SL hane/ej könsbestämd; (Ref. 2847)
Taggstrålar i ryggfenan (totalt) : 7 - 9; Mjukstrålar i ryggfenan (totalt) : 8 - 10; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 9 - 10.
Body shape (shape guide): elongated.
Inhabits relatively fast-flowing streams, usually forming schools in rocky pools or quiet backwaters.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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 Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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