Brazil country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Rio Tapajos drainage (Ref. 55429).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Sidlaukas, B.L. and G.M. dos Santos, 2005
National Database:

Common names from other countries

Winterbottoms mudderlaks, ... more

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Characiformes (Characins) > Anostomidae (Headstanders)
Etymology: Pseudanos: Derived from Greek, pseudes = false (Ref. 45335); winterbottomi: Named in honor of Richard Winterbottom for his significant contributions to anostomine systematics and natural history..

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic. Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: Rio Tapajos drainage in Brazil and throughout Rio Orinoco drainage, including the rios Casiquiare, Cinaruco, San Bartolo and Ventuari.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 15.2 cm SL male/unsexed; (Ref. 55429)

Short description Morphology | Morphometrics

Vertebrae: 38 - 44. The only member of the subfamily Anostominae with a single longitudinal stripe. It also lacks transverse bars across the dorsum. Resembles P. gracilis but is distinguished by the following characters: a dark horizontal stripe along the lower half of the lateral-line scale row and the upper half of the row adjoining; four branchiostegal rays; two pores on the sensory canal of the nasal bone between its anterior and posterior openings; four pores associated with the sensory canal of infraorbital one and arranged in an approximate square; nearly complete closure of the metapterygoid/quadrate fenestra; absence of a posterior process of the ectopterygoid running ventral to the palatine in lateral view; presence of a dorsal process of the mesopterygoid that wraps around the posterior of the palatine; and a palatine with a high arch and thick, blocklike morphology (Ref. 55429).

Adults are found in deep and clearwater pool (Ref. 55429). Stomach contents contain sand, woody debris and a fibrous plant material (Ref. 55429). Distinct pairs breed on densely grown weedy places (Ref. 205).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Distinct pairs breed on densely grown weedy places (Ref. 205).

Main reference Upload your references | References | Coordinator : Garavello, Júlio | Collaborators

Sidlaukas, B.L. and G.M. dos Santos, 2005. Pseudanos winterbottomi: a new anostomine species (Teleostei: Characiformes: Anostomidae) from Venezuela and Brazil, and comments on its phylogenetic relationships. Copeia 2005(1):109-123. (Ref. 55429)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 26 June 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FishSource |

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Pseudanos winterbottomi Sidlauskas & Santos, 2005