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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 / rango de profundidad / distribution range
Ecología
marino; salobre demersal. Tropical
Western Central Pacific: Irian Jaya and Australia. Probably also occurring in southern Papua New Guinea (Port Moresby to the Kempwelch River area).
Tamaño / Peso / Age
Madurez: Lm ?  range ? - ? cm
Max length : 39.3 cm FL macho / no sexado; (Ref. 40908)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 1; Radios blandos dorsales (total) : 7; Espinas anales: 0; Radios blandos anales: 18 - 22; Vértebra: 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).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Traumatogenic (Ref. 58010)
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Referencia
123201): 27.4 - 29.2, mean 28.7 °C (based on 674 cells).
Phylogenetic diversity index (Referencia
82804): PD
50 = 0.5312 [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).
Nivel trófico (Referencia
69278): 3.6 ±0.4 se; based on size and trophs of closest relatives
Resiliencia (Referencia
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
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