Australoheros Guarani (Australoheros guarani) is a ray-finned fish of the family Cichlidae. It inhabits freshwater waters. This species can reach a maximum total length of 12.9 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Near Threatened on the IUCN Red List.
Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 8 - 10; Anal spines: 6 - 7; Anal soft rays: 7 - 8; Vertebrae: 26. This species is distinguished by having the largest scales between the dorsal fin and upper lateral line, only 2 ½ scales (vs. 3 ½); similar to A. facetus, cf. facetus, and minuano in coloration patterns. It is the same with forquilha and tembe, in having a small and inconspicuous midlateral blotch and a straight midlateral stripe (if present), running along the flank in the limits of E0 and E1 scale rows; differs with both in having lower meristics, such as 13 caudal vertebrae (vs. 14 or more), a shorter caudal peduncle, shorter scale cover of the dorsal fin, larger (and fewer) scales and a narrower interorbital space .
Behavioural data for Australoheros Guarani is currently being reviewed.
Freshwater; benthopelagic. Tropical South America: Río Paraná tributaries, Paraguay.
The following diseases are known to affect Australoheros Guarani.
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