Cat-eLog Right Arrow Plotosidae Right Arrow Porochilus

  • Porochilus rendahli
Jump to next section Cat-eLog Data Sheet
Scientific Name Porochilus rendahli  (Whitley, 1928)
Common Name Rendahl's Tandan
Type Locality Glencoe, Hermit Hill, northwestern Australia.
Synonym(s) Copidoglanis rendahli, Neosilurus rendahli
Etymology Porochilus: Greek, poros = porous + Greek, cheilos =lip. 
Jump to next section Species Information
Size 200mm or 7.9" SL. Find near, nearer or same sized spp.
Identification Distinguished from other species in the genera by its concave head that rises ahead of the dorsal fin, giving the fish a hump back appearance. The eyes are positioned closer to the tip of the snout than in other related species.
Appearance can vary from a mottled light grey, typically seen in younger specimens, to smooth dark colour. A light gold / tan hue may be apparent in some specimens, this may be influenced by environmental factors.
Jump to next section Habitat Information
Distribution Tropical Northern Australia. Uncommon throughout range.
Australia waters, Northern Australia Waters (click on these areas to find other species found there)

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pH 5.0 - 8.3
Temperature 15.0-34.0°C or 59-93.2°F (Show species within this range)
Other Parameters Best kept in 26-30°C (79-86°F) in slow current. Tolerant of low pH and low dissolved oxygen.
Jump to next section Husbandry Information
Feeding Accepts most prepared and live or frozen foods in captivity. Natural diet predominantly aquatic insects (midge larvae) and micro crustaceans. Feeds partly on mollusks.
Furniture Occurs in billabongs and streams in slow to fast-flowing water that is clear to turbid with rock, gravel or sand bottoms.
Studies indicate this species frequently associated with aquatic vegetation. In captivity they prefer to rest in dense bunches of plants such as Limnophila and Vallisneria. These fish can be prone to sudden bursts of speed when startled so avoid sharp rocks that could cause injury.
Compatibility Peaceful, one of the less active Plotosidaes kept in captivity. Not an aggressive fish, but larger specimens may be territorial amongst themselves.
Suggested Tankmates Has been recorded in the wild as occurring alongside related species Neosilurus ater, N. hyrtlii and N. mollespiculum. Avoid keeping with aggressive fish. Dither fish from the families Melanotaeniidae (rainbowfishes) and Ambassidae (glassfish) are recommended. Smaller Elotridae (gudgeons) from the families Hypseleotris and Morgunda would also be suitable.
Breeding Not known to have been bred in captivity and little is known of its reproduction in the wild. Matures at 100mm TL for males and 110mm TL for females. Rising temperatures and onset of wet season trigger migration to spawning areas in muddy lowland lagoons. Females contain several hundred to a few thousand eggs, approximately 1.3mm in diameter.
Breeding Reports There is no breeding report.
Jump to next section Further Information
Reference Records of the Australian Museum v. 16 (no. 4), pp 214.
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Last Update 2019 Sep 21 00:31 (species record created: 2007 Jan 15 21:09)