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  • Arius graeffei
  • Arius graeffei
Jump to next section Cat-eLog Data Sheet
Scientific NameArius graeffei  Kner & Steindachner, 1867
Common NamesAustralian Shark Catfish
Blue Catfish, Blå Havmalle (Denmark), Lesser Salmon Catfish
Type LocalitySamoa [doubtful].
Synonym(s)Arius australis, Arius curtisii
PronunciationAR ee uss - GRAY fie
EtymologyArius: 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.
IdentificationSimilar 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.
SexingFemales have longer, more rounded pelvic fins than males.
General RemarksNaturally piebald and albino specimens have been observed.
Jump to next section Habitat Information
DistributionNorthern 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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pH6.4 - 8.0
Temperature17.0-27.0°C or 62.6-80.6°F (Show species within this range)
Jump to next section Husbandry Information
FeedingAccepts a wide variety of live and prepared foods.
FurnitureProvide driftwood and rocks as hiding places.
CompatibilityAn active, shoaling species that can be kept with fish of equivalent size or larger.
BreedingSpawns 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.
Jump to next section Further Information
ReferencesSitzungsber. Akad. Wiss. Wienv. 54 - pp383 [28] - Pl. 4 (fig. 12)
Registered Keepers(1) RobDoran1, (2) pokerbunny, (3) Eeltail.

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Breeding ReportsNone.
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Last Update2013 Jul 19 19:06 (species record created: 2001 Apr 02 00:00)