Lake Eacham rainbowfish (Melanotaenia eachamensis) fish species and information / pictures of Lake Eacham rainbowfish - Melanotaenia eachamensis

Lake Eacham rainbowfish (Melanotaenia eachamensis) fish species information

Scientific Name
Melanotaenia eachamensis

Common Name
Lake Eacham rainbowfish

Biology
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).

Classification

Classified By

Allen & Cross, 1982

Class

Ray-finned fishes (Actinopterygii)

Order

Silversides (Atheriniformes)

Family

Rainbowfishes, blue eyes (Melanotaeniidae)

Distribution

Region

Oceania

Distribution

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.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

23 °C

Water Temperature To

27 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; ; pH range: 7.0 - 7.4 benthopelagic

Trophic Level

2.91 s.e. 0.35 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

6.5 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low to moderate vulnerability (30 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 206)

Threat To Humans

Harmless

IUCN Red List Status

Vulnerable (VU) (A1ace+2ce, B1+2b, C1, D2)