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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlinae
Etymology: Australoheros: From the Latin word 'australis' meaning southern, and the name Heros, after the nominotypic genus of the Heroini tribe.
Tribe.
More on authors: Říčan & Kullander.
Environment: milieu / climate zone / depth range / distribution range
экология
; пресноводный пелагический. Tropical
South America: Río Rosario drainage in the Río de La Plata region of Uruguay, and from the lower Río Uruguay tributaries in Argentina, Uruguay and Brazil.
Size / Вес / Возраст
Maturity: Lm ? range ? - ? cm
Max length : 11.0 cm SL самец/пол неопределен; (Ref. 116916)
колючие лучи спинного плавника (общее число): 16 - 18; членистые (мягкие) лучи спинного плавника (общее число): 7-10; колючие лучи анального плавника 8-9; членистые (мягкие) лучи анального плавника: 6 - 8; позвонки: 26 - 27. Midlateral stripe prominent, vertical bars less intensive; black spots in dorsal, anal, and caudal fin; dark spots on the opercle and anterior flank scales. Distinguished from both C. facetum and C. tembe by having 8-9 anal-fin spines [vs. 6-7 (rarely 5 or 8), 5-7, respectively], 13-14 anal pterygiophores (vs. 12-13, 11-12, respectively), modally 17 dorsal-fin spines (vs. 16), and modally 6 gill rakers on first ceratobranchial (vs. 8, 7-8, respectively). Further distinguished from 'C.' facetum in having 14 caudal vertebrae (vs. 13) and from 'C'. tembe by a shorter caudal peduncle including only one or no vertebral centrum (vs. 3). Jaw teeth lack the second cusp (also in tembe vs. present in facetum (Ref. 51414).
Found in a large stream about 10 meters wide, the water mostly shallow, less than 1 meter deep; bottom of mixed rock, sand, and gravel, providing riffles; slightly brownish and turbid. Radiographed specimens reveal considerable amounts of small shells in the guts and intestines. The stout lower pharyngeal bone consistent with a snail diet (Ref. 51414).
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
Říčan, O. and S.O. Kullander, 2003. `Cichlasoma' scitulum: a new species of cichlid fish from the Río de La Plata region in Argentina, Brazil, and Uruguay. Copeia 2003(4):794-802. (Ref. 51414)
Статус Красного Списка МСОП (Ref. 130435)
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