Map_thumbnail_large_font

Tropheus duboisi

Status_ne_offStatus_dd_offStatus_lc_offStatus_nt_offStatus_vu_onStatus_en_offStatus_cr_offStatus_ew_offStatus_ex_off

Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII PERCIFORMES CICHLIDAE

Scientific Name: Tropheus duboisi
Species Authority: Marlier, 1959

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 ver 3.1
Year Published: 2006
Date Assessed: 2006-01-31
Assessor(s): Bigirimana, C.
Reviewer(s): Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Programme)
Justification:
This species is only known from three definite locations and is subject to intense collection for the aquarium trade.

Geographic Range [top]

Range Description: Endemic to Lake Tanganyika where it is recorded from the northern part of lake where only three subpopulations have been found, namely: 1) "Bemba" which cohabits with the orange morph of Tropheus moorii morii on a very narrow stretch of coastline, less than 1 km long, around Cape Munene (the village of Bemba no longer exists). This relict population, more than 160 km from the next one in Tanzania on the east coast, involves a few thousand fish at most; 2) "Kigoma": This is the largest known population of T. duboisi, stretching from the border between Tanzania and Burundi, south of Nyanza Lac, to the Malagarazi River. Distributed along nearly 100 km of coastline, this population involves tens of thousands of fish. It shares its habitat with Tropheus brichardi. Broad yellow band. 3) "Malagarazi duboisi": The broad-banded T. duboisi has been found around the Malagarazi River delta but its full range is as yet unknown. By the mid-1983 a new very broad-banded yellow variety, whose whereabouts have not been identified, has been exported from Tanzania. It doesn't appear to be significantly different from the specimens previously exported.
Countries:
Native:
Burundi; Congo, The Democratic Republic of the; Tanzania, United Republic of; Zambia
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The population is thought to be no more than a few thousand individuals but no accurate count has been made.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: The habitat of Tropheus is solid rock, either anchored and part of the hard core of the coast interlocking rubble, or even the sandstone slabs lining a sand beach. Loose pebbles rolling about in the surf and silted-over habitats are avoided. The vertical depth range depends on the depth to which the epiphytic algae are growing and this varies from one species to another and from one part of the lake to another.
Systems: Freshwater

Threats [top]

Major Threat(s): Heavily exploited by the aquarium trade. Sedimentation.

Conservation Actions [top]

Conservation Actions: There are no conservation measures in place for this species.

Citation: Bigirimana, C. 2006. Tropheus duboisi. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 24 November 2014.
Disclaimer: To make use of this information, please check the <Terms of Use>.
Feedback: If you see any errors or have any questions or suggestions on what is shown on this page, please provide us with feedback so that we can correct or extend the information provided