Dorsal spines (total): 1; Dorsal soft rays (total):
8. Abstract: During a recent ichthyological
survey in Chapada Diamantina, Estado da Bahia, Brazil,
a new, very distinctive Aspidoras was discovered
in tributaries of the upper rio Paraguaçu.
The new taxon differs from its congeners mainly in
having: a poorly-developed pigmentation pattern, restricted
to minute scattered blotches on dorsal region of head
and body, but grouped in small, irregular blotches
along the lateral body plate junction; four or five
caudal vertebra, anterior to compound caudal centrum,
with neural and haemal spines placed posteriorly,
close to post-zygapophyses; and post-zygapophyses
of the precaudal vertebrae without dorsal expansions
connected with their respective neural spines. The
new species shares with Aspidoras
body plates not touching their counterparts dorsally,
and infraorbital bones with reduced flanges that are
restricted to the latero-sensory canal. Both of these
are considered reductive character states, probably
indicating a paedomorphic condition to both species.
The new species is also compared to Aspidoras
maculosus, a congener
which bears the most similar colour pattern and is
geographically closest to the new species (Britto
et al 2005). Habitat: Found in river
with sandy and rocky bottom and little amount of riparian
and submerged vegetation. All Aspidoras belong
to Lineage 2 with the exception of
will prove to be a Corydoras and if a revision
is carried out will be Gastrodermus (Cope,
1878) and a member of Lineage 5 alongside members
of the "elegans group". Aquarium
which will suffer at the hands of aggressive tank
mates. Will do well in a species tank or a community
tank with smaller inmates such as tetras and rasboras.
Best to keep in a shoal of at least four. Diet:Prefer live foods such as newly hatched brine
shrimp but will also take frozen food and good quality
flake, plus tablet food. Etymology:
Named after "Psammatos psammatides", the
sand sorcerer, a characer of the J.R.R. Tolkien's
book "Roverandom", from the Greek psammos,
meaning sand, and ides, meaning son of. In allusion
to the sand-dwelling behavior of the species. Remarks:
This species is very rare in the hobby.
Rio Paraguaçu basin in Brazil. Type
locality: Brazil, Estado da Bahia.
& Taylor, Martin. (2011). Evolution,
ecology and taxonomy of the Corydoradinae revisited.
R., Lima, Flávio C. T. and Santos, Alexandre
C. A. A new Aspidoras (Siluriformes: Callichthyidae)
from rio Paraguaçu basin, Chapada Diamantina,
Bahia, Brazil. Neotropical Ichthyology Ian A. M. Fuller & Hans-Georg Evers
(2011). Identifying Corydoradinae Catfish Supplement
1. Ian Fuller Enterprises.