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Megalechis thoracata (Valenciennes in Cuvier & Valenciennes , 1840)

 

Image contributors to this species:

Chris Ralph (3) Mark Duffill (3) Graham Ramsay (1) Reinhold Wawrzynski (1) Mark Goh (1) Whit Bronaugh (2) Allan James (2) David Goldthorpe (1)

ScotCat Sources:

Factsheet  Etymology = Genus  Etymology = Species

Other Sources:

Search  FishBase  Wikipedia  Catalog of Fishes  Global Biodiversity Information Facility  FishNet2  iNaturalist

Relevant Information:

Due to work carried out by Reis, RE, P-Y Le Bail & JHA Mol, 2005. (New Arrangement in the Synonymy of Megalechis Reis, 1997 (Siluriformes: Callichthyidae). Copeia 2005: 678–682.) what we thought of as Megalechis thoracata is now Megalechis picta and can be differentiated from the aforementioned M. thoracata by having a band in its caudal whereas M. thoracata has a spotted caudal fin. Aquarium Care: Keeping this species is not too hard. They can become quite boisterous in a community setup with their digging and unsettling other fish at night but as long as your other inhabitants are of a decent size and are not "Neon Tetra size", as remember this fish can get to nearly 8inchs in size and a small 1 inch tetra at night may be too much of temptation to even the most docile of animals. The only time they can get aggressive is if you have a pair and they are in the throes of spawning as the males can get quite tetchy and it is not unknown for a male to kill the female in the quest to produce a family. This does not happen all the time but best to keep a look-out for any aggressive behavior. Reproduction: This species is a bubblenester with the male building it at the water surface. The female lays her eggs in the nest and the male looks after them. This is the point that you may have to take the female out of the tank as they can get aggressive when guarding the nest.

Common Name:

Armoured Catfish

Synonyms:

Callichthys exaratus, C. personatus, Hoplosternum personatus, H. thoracatum surinamensis, Megalechis personata

Family:

Callichthyidae

Distribution:

South America: Amazon and Orinoco River basins, as well as coastal rivers of the Guianas and northern Brazil.

Size:

19.0cm ( 7½ins)

Temp:

18-28°C (64-82°F)

p.H.

6.0-8.0.

Reference:

Reis, RE, P-Y Le Bail & JHA Mol, 2005. (New Arrangement in the Synonymy of Megalechis Reis, 1997 (Siluriformes: Callichthyidae). Copeia 2005: 678–682.)
ScotCat Factsheet: no.83; May 2003



Back to Family page

Family: Callichthyidae  Back to Ident-A-Cat  Click on Thumbnails

Click for full imageMegalechis thoracata
Male
Click for full imageMegalechis thoracata
Head view
Click for full imageMegalechis thoracata
Showing the male papilla
Click for full imageMegalechis thoracata
Female
Click for full imageMegalechis thoracata
Male
Click for full imageMegalechis thoracata
Spawning embrace
Click for full imageMegalechis thoracata
9 weeks old
Click for full imageMegalechis thoracata
Click for full imageMegalechis thoracata
Click for full imageMegalechis thoracata
From the Cuyuni River, Guyana
Click for full imageMegalechis thoracata
From the Cuyuni River, Guyana-dorsal view
Click for full imageMegalechis thoracata
Albino
Click for full imageMegalechis thoracata
Albino
Click for full imageMegalechis thoracata
Male

 

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