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Siluriformes (Catfishes) >
Siluridae (Sheatfishes)
Etymology: Ompok: It is a bad reproduction of a Malayam fish name as limpok/ompok (Ref. 45335); rhadinurus: From the Greek rhadinos, meaning tapering, and ourus, meaning tail; in reference to the slender caudal peduncle of this species.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθικό(ς). Tropical
Asia: Kapuas River drainage in western Borneo; Batang Hari, Deli, Indragiri and Musi River drainages in Sumatra, Indonesia; and Bernam, Endau, Pahang, Pattani and Perak River drainages in Malay Peninsula.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 21.4 cm SL αρσενικό/απροσδιόριστο; (Ref. 52514)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Μαλακές ραχιαίες ακτίνες (συνολικά) : 3 - 4; Μαλακές εδρικές ακτίνες: 76 - 85; Σπόνδυλοι: 56 - 58. Head width 11.4-13.3% SL; caudal peduncle depth 3.7-4.3% SL; anal fin rays 76-85; vertebrae 56-58 (Ref. 52514).
Inhabits large, slow flowing rivers and lakes (Ref. 52514) and swamps (Ref. 56749). Juveniles sometimes occur in smaller streams (Ref. 52514). Feeds on smaller fishes and crustaceans (Ref. 52514).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Ng, H.H., 2003. A review of the Ompok hypophthalmus group of silurid catfishes with the description of a new species from South-East Asia. J. Fish Biol. 62(6):1296-1311. (Ref. 52514)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
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=0.00562 (0.00279 - 0.01132), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).