Acanthicus

Spix / Agassiz, 1829
Type species: Acanthicus hystrix
Acanthicus hystrix
Etymology
akantha (gr.) = peak with respect to the spiny body
Classification
 
Family
 
Subfamily
 
Tribe
 
Group
Synonyms
Lyre tail plecos
Length (total)
100 - 120 cm
Anatomy
3 intergrown bone plates on the back of the head, many odontodes, flattened head
Body height
flat
Coloring
black, grey, possibly juvenile white spots
Fins
absent
with filaments
8 ( - 9)  soft rays
Mouth
Jaw
many small teeth and replacement teeth
Acanthicus hystrix
Sex difference
longer interopercular-odontodes and more and strongre odontodes on the first spin of pectoral fin
Others
older plecos among themselves very aggressive
Strinking
of them
flat head, heavy growth with odontodes
Additional literatur
  • I. Seidel / H.-G. Evers "Welsatlas 2" S.12 - 15

Species

Species
Country
Origin
Length
(cm)
AQ
(cm)
T.
(°C)
Bree
ding
Acanthicus adonis
Isbrücker & Nijssen, 1988
 
Brazil
Rio Tocantins bei Cametá
(Pará (BRA))
Acanthicus adonis
>120
300
25 - 29
ZooBorns
Acanthicus cf. adonis "albino"
Isbrücker, Nijssen, 1988
 
Brazil
Rio Tocantins bei Cametá
(Pará (BRA))
Acanthicus cf. adonis "albino"
>120
300
25 - 29
unknown
Acanthicus hystrix
Spix & Agassiz, 1829
 
Brazil
Amazonas-Einzug, rio Branco, río Ucayali, rio Trombetas, rio Japurá, rio Madeira, rio Xingu, rio Tocantins, rio Araguaia, río Orinoco?, río Apure?
(Amazonas (BRA), Pará (BRA))
Acanthicus hystrix
120
300
25 - 30
DATZ
Acanthicus sp. aff. hystrix

 
Peru
Amazonas bei Iquitos, río Marañón, río Ucayali
(Loreto)
>120
300
25 - 29
Catfish Atlas 2
Acanthicus sp. aff. hystrix "Rio Purus"

 
Brazil
Rio Purus
(Amazonas, Acre)
120
300
25 - 29
unknown
Acanthicus sp. aff. hystrix "Rio Tocantins"

 
Brazil
Rio Tocantins
(Tocantins, Maranhão, pará)
120
300
25 - 29
unknown
Acanthicus sp. aff. hystrix "L 193"

 
Colombia, Venezuela
Río Guayabero, río Guaviare; río Orituco, río Guárico, río Apure, río Caura, río Orinoco
(Guaviare, Meta, Apure, Bolívar (VEN), Guárico)
Acanthicus sp. aff. hystrix "L 193"
120
300
25 - 29
unknown
9  entries found.
Many thanks to
for the pictures
Hans-Georg Evers
1, 3, 5
Ingo Seidel
6
Please help with your pictures and information to complete the database: database(at)welsfans.de
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