Scleromystax salmacis,
has colouration similar to that of S.
macropterus,
differing from that species mainly by the absence
of a black spot on the base of the median caudal-fin
rays, and transverse blotches along the body more
irregular than those in S. macropterus. In
addition to differences in colouration and external
and osteological characters, the new species differs
from S.
barbatus and
S.
prionotos by
its more rounded snout. The new taxon is also distinguished
from its congeners by the presence of a single perforated
dorsolateral body plate, similar to the condition
found in some Aspidoras species, orientation
of the ventral keel of the scapulocoracoid, and by
the absence of sexually dimorphic features.
Lineage: All Scleromystax
species belong to Lineage 3 and would remain as Scleromystax
(Günther, 1864) with the designated type species
of Scleromystaxbarbatus (Quoy &
Gaimard, 1824). As
of the latest update (Dias
et al 2024), Scleromystaxsalmacis has been placed in Lineage
3 and has retained the genus name of Scleromystax.
Aquarium Care: As with most members
of the Callichthyidaethey are peaceful.
The Scleromystax genera are good additions
to "cool water" aquarium set ups with maybe
other cool water fish such as White Cloud Mountain
Minnows and other fish that are comfortable with a
temperature around the 70°f (21.5°c) mark.
Diet: As with other members of the
Corydoradinae they relish tablet and good quality
flake food with frozen bloodworm a firm favourite.
They are also keen on chopped earthworms and other
worm foods such as white worm used sparingly, and
grindal worm. Etymology: The specific
name salmacis: From the Greek Salmacis, named
after the character of Ovid's tale, 'The fountain
of Salmacis'. In allusion to its very subtle sexual
dimorphism when compared to other Scleromystax
species. Remarks:
In this genus the males can be somewhat territorial
when in breeding mode.
Common
Name:
None
Synonyms:
None
Family:
Callichthyidae
Distribution:
South America:Brazil, Santa Catarina, Praia Grande, arroio
Molha Coco in Vila Rosa nearly 5.5 km northwest from
Praia Grande.
Size:
Male: 5.5 cm (2¼ins)
Female: 6.5cm (2¾ins)
Temp:
19-24°C (65-75°F)
p.H.
6.0-7.2.
Reference:
Alexandrou, Markos
& Taylor, Martin. (2011). Evolution,
ecology and taxonomy of the Corydoradinae revisited. Angelica C Dias, Luiz F C Tencatt, Fabio F
Roxo, Gabriel de Souza da Costa Silva, Sérgio
A Santos, Marcelo R Britto, Martin I Taylor, Claudio
Oliveira, Phylogenomic analyses in the complex
Neotropical subfamily Corydoradinae (Siluriformes:
Callichthyidae) with a new classification based on
morphological and molecular data, Zoological Journal
of the Linnean Society, 2024;, zlae053. Britto, M.R. and R.E. Reis, 2005.
A new Scleromystax species (Siluriformes: Callichthyidae)
from coastal rivers of Southern Brazil. Neotrop. Ichthyol.
3(4):481-488. Ian A. M. Fuller &
Hans-Georg Evers (2011).
Identifying Corydoradinae Catfish Supplement 1. Ian
Fuller Enterprises. www.
corydorasworld.com
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