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Gymnapogon melanogaster 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Perciformes Apogonidae

Scientific Name: Gymnapogon melanogaster Gon & Golani, 2002

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2010
Date Assessed: 2009-02-04
Assessor(s): Gon, O. & Møller, P.R.
Reviewer(s): Collen, B., Richman, N., Beresford, A., Chenery, A. & Ram, M.
Contributor(s): De Silva, R., Milligan, H., Lutz, M., Batchelor, A., Jopling, B., Kemp, K., Lewis, S., Lintott, P., Sears, J., Wilson, P., Smith, J. & Livingston, F.
Justification:
Gymnapogon melanogaster has been assessed as Data Deficient. This species is only known from the type specimen and is found within the vicinity of coastal development. It is unclear how threats are impacting the global population.

Geographic Range [top]

Range Description:Gymnapogon melanogaster is only known from two specimens from North Beach on the coast of Eilat (Gon and Golani 2002).
Countries occurrence:
Native:
Israel
FAO Marine Fishing Areas:
Native:
Indian Ocean – western
Additional data:
Number of Locations:1
Lower depth limit (metres):2
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:A long-term sampling program starting in 1984, conducted more than 200 hauls, including 44 at night: only two specimens of Gymnapogon melanogaster were collected (Gon and Golani 2002).

Other species in this genus are known to be rare and usually not more than 1 - 2 individuals per collection (O. Gon pers. comm. 2009).
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Gymnapogon melanogaster is a cryptic, nocturnal species (O. Gon pers. comm. 2009) found in crevices on rocky and coral reefs. This species has been found to a depth of 1.5 m.
Systems:Marine

Threats [top]

Major Threat(s): Gymnapogon melanogaster has been found in the vicinity of heavy coastal development therefore is likely to be impacted by pollution. In addition, water quality at the northern end of the Gulf of Aqaba has been deteriorating over the last few decades (O. Gon pers. comm. 2009). It is unclear to what extent these threats have affected the population size of this species.

Conservation Actions [top]

Conservation Actions: There are no species-specific conservation measures in place for Gymnapogon melanogaster. While there are marine protected areas in the Gulf of Aqaba, they are ineffective to problems relating to water quality issues such as eutrophication.

Further research is needed to determine abundance, population trends, and threats faced by this species.

Citation: Gon, O. & Møller, P.R. 2010. Gymnapogon melanogaster. The IUCN Red List of Threatened Species 2010: e.T154832A4645809. . Downloaded on 15 October 2018.
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