(2) Manuel de Jesús Hernández
Similar looking to P.
has a vermiculated pattern to the stomach, hence the
common name whereas P. pardalis has spots.
This species has also been introduced to the Philippines
alongside P. pardalis probably from unwanted
aquarium specimens. The thumbnail images shows a species
caught by the contributor in San Antonio, Texas in
the U.S.A. and is not indigenous to this country.
The genus name has now been reclassified to Pterygoplichthys
from Liposarcus due to the work carried
out by J.W. Armbruster 2004. There are still
some publications that still use Liposarcus
as the preferred genus name. Aquarium Care:
Whatever the status of this species it will be reasonably
peaceful, if large species, which will need a good
sized aquarium starting of with a 3 footer ( 90cm)
when small and progressing to a larger tank with good
external filtration to facilitate a good oxygen content,
as it excretes copious amounts of waste if fed properly
on vegetable matter. If the water quality is not adhered
to, small holes can appear in the fin membranes. You
will notice when your water quality is not up to the
mark as they "hang" in the water just of
their fins, from the substrate, which means 'get that
water change done'. It is kind to plants in the aquarium,
the only problem is when it gets bigger and can uproot
them in its conquest around the tank. Very hardy species
which will do well in normal aquarium temperatures.
You can identify a Pterygoplichthys species
from Hypostomus for example due to the many
more rays in the dorsal fin, which can be up to 10
or over. They also have nasal flutes on the nose.
Diet: They are mostly vegetarian with algae
being their number one source of food but to keep
a large fish fed on algae alone is impossible so you
can feed also, spinach, blanched lettuce, cucumber,
courgette (zucchini) and also non veg food such as
tablets and prawns. Remarks:
The last image has the belly pattern looking correct
for this species but hybrids that are most likely
also present in Mexico can have the same belly pattern
(Karsten S. 2019).
Vermiculated sailfin catfish
Madeira River basin: Bolivia and Brazil; introduced
in Asia; established in Florida. Type locality:
Rio Madeira, système de l’Amazonas, Restauracão,
2004. Phylogenetic relationships of the suckermouth
armoured catfishes (Loricariidae) with emphasis
on the Hypostominae and the Ancistrinae. Ferraris, C.J. Jr., 2007. Checklist
of catfishes, recent and fossil (Osteichthyes: Siluriformes),
and catalogue of siluriform primary types. Zootaxa
1418:1-628. Seidel, I. 2008. Back to Nature guide
to L-catfishes, Ettlingen, Germany 208 p. Chavez, J.M., R.M. de la Paz, S.K. Manohar,
R.C. Pagulayan and R. Carandang VI, 2006.
New Philippine record of south american sailfin catfishes
(Pisces: Loricariidae). Zootaxa 1109:57-68. Schönherr, Karsten. Inaturalist