Description:
Similar looking to Ictalurus
furcatus and I.
punctatus but differs
in that it has 24 or fewer anal fin rays (vs usually
more that 24). It differs from other catfishes in
having a moderately forked caudal fin (vs. caudal
fin squarish, rounded, or slightly emarginate). Colouration:
Body blue-black and frquently mottled, although no
discrete black spots along sides. Fins lightly coloured,
without dusky borders. Habitat: Found
in Sluggish, mud-bottomed pools, open channels, and
backwaters of small to large rivers; also in lakes
and impoundments. Diet: Feeds on
wide variety of fishes, insects and crustaceans. Etymology:
The genus name Ameiurus: a-, without; meiosis,
to reduce; urus, tailed, literally “not curtailed,”
referring to absence of deep notch in caudal fin compared
to forked tail of Ictalurus. Ths specific
name catus: Latin for cat, referring to its
cat-like whiskers.
Common
Name:
White catfish
Synonyms:
Ictalurus catus, Silurus
catus
Family:
Ictaluridae
Distribution:
North America:
Atlantic and Gulf coast drainages from Hudson River
to Pascagoula River, Mississippi; introduced elsewhere.
Size:
95.0cm. (38ins) TL.
Temp:
18-25°C (63-77°F)
p.H.
6.5-7.5.
IUCN
Red List
This
species is listed as Least Concern in view of the large
range extent, very large population size, and lack of
significant decline, (IUCN 2013 needs updating).
Reference:
Hardman,
M. and L.M. Page, 2003. Phylogenetic relationships
among bullhead catfishes of the genus Ameiurus (Siluriformes:
Ictaluridae). Copeia 2003(1):20-33. NatureServe. 2013. Ameiurus catus.
The IUCN Red List of Threatened Species 2013. Robinson, W. Henry and Buchanan M. Thomas,
1945. (reprint 1984) Fishes of Arkansas. The University
of Arkansas Press. 536.p. www.inaturalist.org/photos/13853391 www.inaturalist.org/photos/13853308
If you would like to contribute to the monthly
factsheets with an article, information or photos, please e-mail
me. You will of course be credited for your work.
If you would like to donate any denomination
of monies to the site just click the above link button. All proceeds
will go to running the site and hopefully to keep it going for a few
years yet.