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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; guarani: Named for the indigenous Guaraní people.
Eponymy: Named after the Guarani people of Paraguay. They also have a reptile, a mammal and a dragonfly named after them. (Ref. 128868), visit book page.
More on authors: Říčan & Kullander.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical
South America: Río Paraná tributaries, Paraguay.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 12.9 cm SL hane/ej könsbestämd; (Ref. 74689)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 15 - 17; Mjukstrålar i ryggfenan (totalt) : 8 - 10; Taggstrålar i analfenan: 6 - 7; Mjukstrålar i analfenan: 7 - 8; Ryggkotor: 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 (Ref. 74689).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Říčan, O. and S.O. Kullander, 2008. The Australoheros (Teleostei: Cichlidae) species of Uruguay and Paraná River drainages. Zootaxa 1724:1-51. (Ref. 74689)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00665 - 0.03141), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Assuming Fec<1000).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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