Australia country information

Common names: Lake Eacham rainbowfish
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Originally known to occur only in Lake Eacham, a circular crater lake situated on the Atherton Tableland in northern Queensland (Ref. 5259). This species was commonly found in Lake Eacham in the 1970s, but became extinct by 1987. Surveys showed that it became extinct in the wild, but recently been found at widespread localities on the Tablelands between the Barron and South Johnstone river systems (Ref. 44894). Recorded from Gwynne Creek near Malanda, Atherton Tablelands in flowing water with boulder and undercut bank habitat (Aland, pers. Comm.). Its extinction may have been due largely to predation by the carnivorous Glossamia aprion. Also Ref. 7300, 3881, 11236, 32711, 75154. Status of threat: Endangered (Ref. 48666).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: http://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Allen, G.R., 1989
National Database:

Common names from other countries

Lake Eacham Regenbogenfisch, Palettisateenkaarikala, 大眼虹银汉鱼, ... more

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Atheriniformes (Silversides) > Melanotaeniidae (Rainbowfishes, blue eyes)
Etymology: Melanotaenia: Greek, melan, -anos = black + latin, taenia = stripe (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser benthopelagisch; pH range: 7.0 - 7.4. Tropical; 23°C - 27°C (Ref. 44894)

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Oceania: originally known only from Lake Eacham, a circular crater lake situated on the Atherton Tableland in northern Queensland, Australia. Recently recorded at widespread localities on the Tablelands between the Barron and South Johnstone river systems.

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m ?, range 3 - ? cm
Max length : 6.5 cm SL Männchen/unbestimmt; (Ref. 5259)

Inhabits small creeks and crater lakes where it congregates along the shallow edges among aquatic vegetation (Ref. 44894). Often found among aquatic vegetation, fallen logs or branches (Ref. 11236). Occurs at temperature and pH ranging from 23-27° C and 7.0-7.4 respectively (Ref. 44894).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Distinct pairing (Ref. 205).

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Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)

IUCN Rote Liste Status (Ref. 130435)

stark gefährdet (EN) (B1ab(ii,iii,v)+2ab(ii,iii,v)); Date assessed: 15 February 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.9 ±0.4 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Fec = 206).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Melanotaenia eachamensis Allen & Cross, 1982