''Cephalosilurus'' is a small
genus of
catfishes (
order
Order, ORDER or Orders may refer to:
* Categorization, the process in which ideas and objects are recognized, differentiated, and understood
* Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...
Siluriformes) of the
family Pseudopimelodidae
The Pseudopimelodidae are a small family (about 40 species) of catfishes known as the bumblebee catfishes or dwarf marbled catfishes. Some of these fish are popular aquarium fish.
Taxonomy
This family was formerly a subfamily of Pimelodidae. Pse ...
.
Species
There are currently four recognized species in this genus:
* ''
Cephalosilurus albomarginatus''
( Eigenmann, 1912)
* ''
Cephalosilurus apurensis
''Cephalosilurus'' is a small genus of catfishes (order (biology), order Siluriformes) of the family (biology), family Pseudopimelodidae.
Species
There are currently four recognized species in this genus:
* ''Cephalosilurus albomarginatus'' (Car ...
''
( Mees, 1978)
* ''
Cephalosilurus fowleri''
Haseman, 1911
* ''
Cephalosilurus nigricaudus''
( Mees, 1974)
Distribution
''Cephalosilurus'' species originate from
South America. ''C. albomarginatus'' is found in
Tukeit,
Guyana
Guyana ( or ), officially the Cooperative Republic of Guyana, is a country on the northern mainland of South America. Guyana is an indigenous word which means "Land of Many Waters". The capital city is Georgetown. Guyana is bordered by the ...
.
''C. apurensis'' is distributed in the
Rio Arichuna,
Apure,
Venezuela.
''C. fowleri'' originates from the
São Francisco River
The São Francisco River (, ) is a large river in Brazil. With a length of , it is the longest river that runs entirely in Brazilian territory, and the fourth longest in South America and overall in Brazil (after the Amazon, the Paraná and t ...
basin.
''C. nigricaudus'' is found in the
Sipaliwini District of
Suriname
Suriname (; srn, Sranankondre or ), officially the Republic of Suriname ( nl, Republiek Suriname , srn, Ripolik fu Sranan), is a country on the northeastern Atlantic coast of South America. It is bordered by the Atlantic Ocean to the north ...
.
Description
''Cephalosilurus'' species have a great range in size. ''C. albomarginatus'' reaches 8.5 centimetres (3.3 in)
SL.
[ ''C. apurensis'' grows to a length of 29 cm (11 in) SL.][ ''C. fowleri'' can grow to 40 cm (16 in) TL.][ ''C. nigricaudus'' reaches a length of 35 cm (14 in) TL.][
]
Ecology
''C. albomarginatus'' is known to occur over sand and gravel partially covered with mud, leaves and dead wood.[ ''C. nigricaudus'' occurs in pools and in the backwater of rapids and fast streams with sand, rocks, and decaying wood on the bottom; it is found together with '' Bryconops caudomaculatus'', '']Characidium blennoides
''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing f ...
'', ''Pimelodella cristata
''Pimelodella'' is a genus of three-barbeled catfishes.
''Pimelodella'' is the largest genus in the family. However, it is in need of taxonomic revision.
This genus is found on both sides of the Andes, ranging from Panama to Paraguay and southe ...
'', ''Leporinus friderici
''Leporinus'' is a genus of fish in the family Anostomidae native to South America. The fossil species ''Leporinus scalabrinii'', known from the late Miocene of Entre Ríos in Argentina, has only recently been added to this genus after being mi ...
'' and ''Astyanax meunieri
In Greek mythology, Astyanax (; grc, Ἀστυάναξ ''Astyánax'', "lord of the city") was the son of Hector, the crown prince of Troy, and his wife, Princess Andromache of Cilician Thebe."Astyanax". ''Oxford Classical Dictionary''. Oxford ...
''.[
]
In the aquarium
''C. fowleri'' may be kept in the aquarium
An aquarium (plural: ''aquariums'' or ''aquaria'') is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aq ...
. This fish is an aggressive species and should be kept alone or with fish that are much larger than it. Though large, it is sedentary and does not require as much room as a similarly-sized active species of fish might. These fish should be fed sparingly and the aquarium kept clean.
References
* Ros, Christopher an
Ros, Wolfgang(2007): "Cephalosilurus apurensis - Ein gefräßiger Lauerräuber, aber nicht ohne Charme"
Datz 60 (5): 38-42. Full English version of this article ("Cephalosilurus apurensis, a voracious ambush-predator not without charm") o
Planetcatfish
an
Ros, Wolfgang
(2008): Cephalosilurus nigricaudus und seine Abgrenzung zu Cephalosilurus apurensis
40 (1), Nr. 199, 34-36
Full English version of this article ("Cephalosilurus nigricaudus and its similarity to C. apurensis") o
Ros, Wolfgang
(2008)
"Besser als sein Ruf: Cephalosilurus fowleri", Online Aquarium-Magazin (OAM) 7/08
3-7. English version of this article ("Better than its reputation, a look at Cephalosilurus fowleri") o
{{Taxonbar, from=Q5063324
Pseudopimelodidae
Fish of South America
Catfish genera
Freshwater fish genera
Taxa named by John Diederich Haseman