>
Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Oligosarcus: Greek, oligos = small + Greek arkos = anus (Ref. 45335).
More on author: Cuvier.
Issue
See Menezes, 1987: 31 for diagnosis.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk; djupintervall 4 - 20 m (Ref. 126103). Subtropical; 21°S - 35°S
South America: southeastern Brazil and the La Plata basin.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 32.0 cm TL hane/ej könsbestämd; (Ref. 111130)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 11; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 26.
Occurs in ponds (Ref. 11229). Inhabits shallow, densely vegetated microhabitats in small streams or along the banks of larger rivers (Ref. 106564). Feeds mostly on fishes (Ref. 598). Two rodents (Sigmodontinae) were found in the stomachs of two individuals in different rivers located in the southern Brazilian Atlantic Rain Forest, in March and November 2010. These represent the first records of this species feeding on mammals (Ref. 106564).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Géry, J., 1977. Characoids of the world. Neptune City ; Reigate : T.F.H. [etc.]; 672 p. : ill. (chiefly col.) ; 23 cm. (Ref. 598)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Fatal error: Uncaught mysqli_sql_exception: Too many connections in /var/www/html/includes/func_getlabel.php:46
Stack trace:
#0 /var/www/html/includes/func_getlabel.php(46): mysqli->__construct()
#1 /var/www/html/includes/common.lib.php(2141): getlabel()
#2 /var/www/html/summary/SpeciesSummary.php(1232): red_list_status()
#3 {main}
thrown in /var/www/html/includes/func_getlabel.php on line 46
