All FishesCallichthyidaeCorydoradinaeHoplisoma  |  | 

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Scientific Name Hoplisoma noxium     
Common Names CW004, Ancestor Cory
CW155, CW156, CW167, Ancestor Ii Cory, Ancestor Iii Cory, Fossilpansermalle (Denmark), Runepansermalle (Denmark)
Type Locality Brazil. Mato Grosso, upper Tapajos drainage.
Pronunciation hop lee so mah
Hop to next section Species Information
Sexing Females grow larger and are more full-bodied, this is best observed from above the fish. Males will typically have more pointed as opposed to more rounded fin tips as they mature.
Hop to next section Habitat Information
Distribution Brazil. Mato Grosso, upper Tapajos drainage.
Amazon, Lower Amazon, Tapajós, Upper Tapajós (click on these areas to find other species found there)
Amazon, Lower Amazon, Tapajós, Middle Tapajós, Jamanxim (click on these areas to find other species found there)

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IUCN Red List Category
Not Evaluated
Hop to next section Husbandry Information
Feeding Will readily accepted all prepared foods that reach the bottom of the aquarium such as tablets, granules and larger flakes. Live (or frozen) foods such as bloodworm, white worm, grindal worm (Enchytraeus), Daphnia and Tubifex are readily accepted and good for conditioning groups of fishes for spawning. User data.
Furniture Ideally, and close to mandatory, substrate should be sand, but rounded gravel is an imperfect alternative. Avoid keeping over rough edged (chipped) gravel or sharp sand. This will increase the risk of damage to the fishes barbels when it tries to dig. Substrate should be bordered with driftwood and aquatic plants leaving an open area for them to search for food and swim. The shade provided by overhanging rock work, arching bogwood, tall or floating plants are all that is required to settle a group of these fishes.
Compatibility A peaceful, shoaling, community fish.
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Registered Keepers There is no registered keeper.
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Spotters Spotted this species somewhere? Click the binoculars!
There are 5 records of this fish being seen, view them all.
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Last Update 2025 Apr 07 05:08 (species record created: 2007 Apr 29 04:33)