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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: pectoralis: From the Latin for shoulder, in reference to the strong serrae along the inner pectoral fin spine (Ref. 40908).
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien; brak water demersaal. Tropical
Western Central Pacific: Irian Jaya and Australia. Probably also occurring in southern Papua New Guinea (Port Moresby to the Kempwelch River area).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 39.3 cm FL mannelijk / geslacht onbekend; (Ref. 40908)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 1; Dorsale zachte stralen (totaal) : 7; Anale stekels: 0; Anale zachte stralen: 18 - 22; Wervels: 51. Palatal teeth in two oblique, oval patches; one on each side of palate, well separated. Snout acute; lips fleshy, crenulate; lower jaw truncate. Head shield granular; dorsomedian head groove lanceolate, narrow distally. Eye large, 17-28% HL. Large, flattened serrae along inner margin of pectoral spine; caudal fin lobes slender, acute. Rakers present along posterior face of all gill arches. Distinct, blackish margin on dorsal, pectoral and inner caudal fins (Ref. 40908).
Found in coastal waters, estuaries and rivers within tidal influence; among mangroves (Ref. 40908).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Kailola, P.J., 2000. Six new species of fork-tailed catfishes (Pisces, Teleostei, Ariidae) from Australia and New Guinea. Beagle, Rec. Mus. Art Galler. North. Territ. 16:127-144. (Ref. 40908)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Traumatogenic (Ref. 58010)
Gebruik door de mens
Tools
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Estimates based on models
Preferred temperature (Ref.
123201): 27.4 - 29.2, mean 28.7 °C (based on 674 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.6 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
