Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico; pH range: 7.0 - 7.1; dH range: ? - 3; não migratória. Tropical; 25°C - 30°C (Ref. 2060)
South America: Jaguaribe and Mossoró River basins and adjacent coastal plains in Brazil.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 7.0 cm TL macho/indeterminado; (Ref. 36579)
Descrição breve
Morfologia | Morfometria
Raios dorsais moles (total): 15-25; Raios anais moles: 19 - 24; Vértebras: 28 - 30. Caudal peduncle of female with black spots. Male's anal fin with gray to black distal stripe; unpaired fins dark bluish gray; basihyal broad, 70-95% in length; conspicuous contact organs on scales of body sides. Second pharyngobranchial teeth, 5-10. Dorsal-fin rays 21-25 in male, 15-20 in female; anal-fin rays 22-24 in male, 19-23 in female; caudal-fin rays 23-36, caudal fin subtruncate in male, rounded in female (Ref. 49550).
Bottom spawner, 4 months. Is very difficult to maintain in aquarium (Ref. 27139).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Costa, W.J.E.M., P.F. Amorim and J.L. Mattos, 2012. Species delimitation in annual killifishes from the Brazilian Caatinga, the Hypsolebias flavicaudatus complex (Cypriniformes: Rivulidae): implications for taxonomy and conservation. Systematics and Biodiversity 10(1):71-91. (Ref. 89836)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Harmless
Utilização humana
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