SCOTCAT.COM
your internet guide to all things catfish
Diplomystes incognitus Arratia & Quezada-Romegialli, 2017 |
Image contributors to this species: |
Arratia G, Quezada-Romegialli C. 2017 (2) labrigo (1) |
ScotCat Sources: |
|
Other Sources: |
|
|
Relevant Information: |
Description: Dorsal spines (total): 2; Dorsal soft rays (total): 6-7; Anal soft rays: 13; Vertebrae: 40. Diplomystes incognitus can be diagnosed from other species of the genus Diplomystes by having the following characters: skin of head, body, and fins densely covered by round, short papillae giving the skin a blackberry-like or verrucose aspect in large individuals; with a short head, slightly squarish and as long as broad (vs. slightly longer more triangular-shaped head); height of dorsal fin, ca. 20% of SL (range 17-25%) and triangularly-shaped (vs. slightly rhomboidal); maxilla with 7-9 teeth (vs. 8-13 in D. chilensis, 11-3 in D. nahuelbutaensis, and 12-19 in D. camposensis; with 10 infraorbital bones, as in D. nahuelbutaensis, but the dorsalmost compound bone is absent; urogenital pore and anus placed between posterior tips of pelvic fins as in D. chilensis (vs. urogenital pore and anus placed between pelvic fins or in between the distal tips of pelvics and anal fin); lack of pores of axillary gland with occasionally four on one side of body (vs. two or three pores). |
Common Name: |
None |
Synonyms: |
None |
Family: |
Diplomystidae |
Distribution: |
South America: Copequén and Tinguiririca Rivers (Rapel Basin) and Maule Basin. Negro River and tributaries in Argentina. Type locality: Melado River, Andean region of Linares, Maule Basin, Región del Maule, Chile, 35°430'10''S, 71°04'09''W. |
Size: |
15.0cm (6ins) |
Temp: |
20-24°C (67-75°f.) |
p.H. |
|
6.0-7.0. |
Reference: |
Arratia G, Quezada-Romegialli
C. (2017) Understanding
morphological variability in a taxonomic context in
Chilean diplomystids (Teleostei: Siluriformes), including
the description of a new species. |
Family: Diplomystidae Back to Ident-A-Cat Click on Thumbnails |
Diplomystes incognitus |
Diplomystes incognitusHead view |
 Diplomystes
incognitusAvenida Vicente Mendez 14, Chillán, Bío-Bío, CL |
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.
