Klassifizierung / Names
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Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Pseudomystus: Greek, pseudes = false + Greek, mystax = whiskered, used by Belon in 1553 to describe all fishes with whiskers (Ref. 45335); nuchalis: Name 'nuchalis' from the Latin words 'nucha' meaning 'the nape of the neck', in reference to the nuchal concavity of this new species.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser demersal. Tropical
Asia: Malaysia.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 9.4 cm SL Männchen/unbestimmt; (Ref. 138063)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenweichstrahlen (insgesamt) : 6; Afterflossenweichstrahlen: 9 - 11. This species is distinguished from its congeners by the following set of characters: colour pattern of pale yellow patches on the body; presence of nuchal concavity; snout 55-63% HL; adipose fin more anteriorly positioned relative to the anal fin (adipose-fin origin at vertical through anal-fin origin); presence of pale yellow patches on the body never coalescing to form irregular bands; absence of a supracleithral process; adipose fin with a base 13.2-19.0% SL, whose posterior insertion is separate from the dorsal procurrent caudalfin rays; nuchal
plate with straight or slightly convex margins; head 22.1-24.5% SL; and adipose-fin base 13.2-19.0% SL (Ref. 138063).
Body shape (shape guide): elongated; Cross section: oval.
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Ng, H.H., 2025. Clarifying the identity of Pseudomystus stenomus, with the description of a new species of Pseudomystus from Borneo (Actinopterygii: Bagridae). Raffles Bull. Zool. 73:318-335. (Ref. 138063)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophische Ebene (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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