Classification / 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); tuberosus: Name from Latin adjective 'tuberosus', meaning 'full of humps, lumps and protuberances', referring to the distinctively humpbacked appearance of this species and its tuberculate head and flanks.
Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
; acqua dolce demersale. Tropical
Asia: Malaysia.
Size / Peso / Age
Maturità: Lm ? range ? - ? cm
Max length : 9.3 cm SL maschio/sesso non determinato; (Ref. 133079)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Raggi dorsali molli (totale) : 7; Raggi anali molli: 10 - 11; Vertebre: 43 - 44. This species is distinguished from its congeners by the following set of characters: strongly humped dorsal profile; head and flanks covered with rounded tubercles; eye diameter 8% HL; head width 18.5-19.7% SL; head depth 15.8-16.0% SL; 12-14 rakers on first gill arch; posttemporal process indistinct and not as long as postcleithral process; dorsal margin of postcleithral process slightly concave; length of pectoral-fin spine 15.4-16.7% SL; 17-18 serrations on posterior margin of pectoral spine; length of dorsal-fin spine 18.5-22.4% SL; body depth at anus 14.2-16.0% SL; length of adipose-fin base 23.3-26.1% SL; posterior insertion of adipose fin separate from dorsal procurrent caudal-fin rays; caudal peduncle depth 5.5-6.0% SL; absence of tubular extensions of laterosensory canals on body; dark-colored body with pale patches on flanks; caudal fin without dark submarginal longitudinal band running along both lobes; 43-44 vertebrae (Ref. 133079).
Cross section: oval.
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Ng, H.H. and H.H. Tan, 2024. Pseudomystus tuberosus, a new species of catfish from central Borneo
(Actinopterygii: Bagridae). Zootaxa 5496(4):546-554. (Ref. 133079)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesca: di nessun interesse
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic level (Fonte Biblio.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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