>
Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Eponymy: Dr Eduard Gräffe (1833–1916) was born in Switzerland, died in part of the Austro-Hungarian Empire (Slovenia) but regarded himself as an Austrian. [...] (Ref. 128868), visit book page.
More on authors: Kner & Steindachner.
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά); Γλυκού νερού; Υφάλμυρο βενθικό(ς); pH range: 7.5 - 8.2; dH range: 18 - 30; ανάδρομο. Tropical; 24°C - 32°C (Ref. 2059); 3°S - 19°S
Western Pacific: northern Australia and southern New Guinea.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 60.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 44894)
Ραχιαίες άκανθες (συνολικά) : 1; Μαλακές ραχιαίες ακτίνες (συνολικά) : 7; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 15 - 19.
Body shape (shape guide): fusiform / normal.
Adults inhabit freshwater rivers and lagoons, as well as brackish estuaries and coastal marine waters. Can tolerate temperatures from 11°C to 38°C. Large groups of juveniles are often encountered (Ref. 44894). Feed on arthropods, insects, aquatic plants, mollusks, prawns, crayfish, fishes and bottom detritus. Nest is constructed among gravel where eggs are deposited forming a mound (Ref. 205). The only species among oral incubating ariids exhibiting no parental care (Ref. 205). Breeding takes place from September to February (Ref. 44894). Marine populations of A. graeffei appear to undertake extensive anadromous migrations associated with breeding, but no such movements were observed in the fluviatile population studied (Ref. 38559).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Nest is constructed among gravel where eggs are deposited forming a mound (Ref. 205). The only species among oral incubating Ariidae exhibiting no parental care (Ref. 205).
Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Traumatogenic (Ref. 58010)
Human uses
Εργαλεία
Special reports
Download XML
Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Αναφ.
123201): 26.7 - 28.7, mean 27.9 °C (based on 270 cells).
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00381 - 0.01658), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 3.6 ±0.2 se; based on diet studies.
Ελαστικότητα (Αναφ.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).
🛈
