Denticetopsis
praecox (Ferraris & Brown, 1991) |
| |
| Image
contributors to this species: |
| Robin
Warne (2) |
| ScotCat
Sources: |
|
| Other
Sources: |
 
|
| |
| Relevant
Information: |
Denticetopsis
praecox is described from the Río Baria system at the
base of Cerro de la Neblina, southern Venezuela. This species is
most similar to C. plumbea (Schultz, 1944), from the Río
Orinoco system but has fewer vertebrae, a greater number of branchiostegal
rays, and a colour pattern otherwise unknown in the family. Dorsal
spines (total): 1; Dorsal soft rays (total): 6; Anal soft rays:
25 - 30; Vertebrae: 39 - 40. Readily distinguished from other members
of the genus by its color pattern consisting of a dark brown dorsum,
speckled to dark sides, light venter, pale fins and a large dark
spot on the basal half of the dorsal fin. Among the smallest species
in the family, maturing between 30-40 mm SL. Feeds mostly in their
natural habitat on aquatic insects. specimens of Denticetopsis
praecox were captured in a cobblepebble habitat of black water
streams that ranged in pH from 4.3-5.0. |
| Common
Name: |
None |
| Synonyms: |
Pseudocetopsis praecox |
| Family: |
Cetopsidaeycipitidae |
| Distribution: |
South
America: Venezuela; Baria River, Upper Negro River basin.
Type locality: Neblina base camp, Río Mawarinuma
of the Río Baria drainage, Territorio Federal Amazonas, southern
Venezuela, 0º55'N, 66º10'W, elevation 120 m. |
| Size:
|
5.5cm.
(2¼ins) |
| Temp: |
22-26°c
(71-79°f ) |
| p.H. |
5.0-6.5. |
| Reference: |
Vari, R.P., C.J.
Ferraris, Jr. and M.C.C. de Pinna 2005 The neotropical
whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary
study. Neotrop. Ichthyol. 3(2):127-238.
Ferraris, C.J. Jr., 2007. Checklist of catfishes,
recent and fossil (Osteichthyes: Siluriformes), and catalogue of
siluriform primary types. Zootaxa 1418:1-628. |
|
|
