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  • Arius graeffei
  • Arius graeffei
Jump to next section Cat-eLog Data Sheet
Scientific Name Arius graeffei  Kner & Steindachner, 1867
Common Names Australian Shark Catfish
Blue Catfish, Blå Havmalle (Denmark), Lesser Salmon Catfish
Type Locality Samoa [doubtful].
Synonym(s) Arius australis, Arius curtisii
Pronunciation AR ee uss - GRAY fie
Etymology Arius: From the Greek arios, meaning warlike or bellicose; in reference to the well-developed fin spines. The species is named after E. Gräffe.
Jump to next section Species Information
Size 500mm or 19.7" SL. Find near, nearer or same sized spp.
Identification Similar to A. berneyi, but eye is smaller and dorsal fin slightly shorter. Outer palatal teeth patches larger than inner patches (equal in A. berneyi). Dusky gray overall (often with bluish tinge) and white underneath.
Sexing Females have longer, more rounded pelvic fins than males.
General Remarks Naturally piebald and albino specimens have been observed.
Jump to next section Habitat Information
Distribution Northern Australia and southern New Guinea.
Pacific, South Pacific, New Guinea Pacific area (click on these areas to find other species found there)
Pacific, South Pacific, North Australian Pacific Coast (click on these areas to find other species found there)

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pH 6.4 - 8.0
Temperature 17.0-27.0°C or 62.6-80.6°F (Show species within this range)
Jump to next section Husbandry Information
Feeding Accepts a wide variety of live and prepared foods.
Furniture Provide driftwood and rocks as hiding places.
Compatibility An active, shoaling species that can be kept with fish of equivalent size or larger.
Breeding Spawns in the wild during spring or early summer at 26°C. An oral incubator, males carry up to 120 eggs for 6-8 weeks. The eggs and developing larvae collected from males can be incubated in an egg cone.
Breeding Reports There is no breeding report.
Jump to next section Further Information
References Sitzungsber. Akad. Wiss. Wienv. 54 - pp383 [28] - Pl. 4 (fig. 12)
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Last Update 2013 Jul 19 19:06 (species record created: 2001 Apr 02 00:00)