Dialommus macrocephalus

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	ACTINOPTERYGII	PERCIFORMES	LABRISOMIDAE

Scientific Name:

Dialommus macrocephalus

Species Authority:

(Günther, 1861)

Common Name/s:

English	–	Foureye rockskipper
Spanish	–	Blenia, Trambollo listo

Synonym/s:

Clinus macrocephalus Günther, 1861

Mnierpes macrocephalus Günther, 1861

Taxonomic Notes:

This species is also known as Mnierpes macrocephalus.

Assessment Information [top]

Red List Category & Criteria:	Least Concern ver 3.1
Year Published:	2010
Assessor/s:	Hastings, P. & Dominici-Arosemena, A.
Reviewer/s:	Carpenter, K., Polidoro, B. & Livingstone, S. (Global Marine Species Assessment Team)
Contributor/s:
Justification: This species is widespread in the Eastern Pacific. There are no known major threats to this species, and no current indication of population decline from localized coastal development within its range. It is listed as Least Concern.

Geographic Range [top]

Range Description:	This species is endemic to the Eastern Pacific, and is found from the tip of Baja California and central Mexico to the Panama/Colombia border.
Countries:	Native: Colombia; Costa Rica; El Salvador; Honduras; Mexico; Nicaragua; Panama
FAO Marine Fishing Areas:	Native: Pacific – eastern central; Pacific – southeast
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	There is no population information available on this species.
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	This benthic intertidal species actively shuttles back and forth between shallow rock pools and air (Martin and Bridges, 1999).
Systems:	Marine

Threats [top]

Major Threat(s):	There are no known major threats known for this species, although there may be some localized declines due to habitat loss from coastal development. Given this species shallow water habitat, future oceanographic environmental changes such as ENSO/global warming may have detrimental effects on the marine ecosystems and the survival of these shallow water regional endemic species (Chen et al. 2004; Soto, 2001).

Major Threat(s):

There are no known major threats known for this species, although there may be some localized declines due to habitat loss from coastal development. Given this species shallow water habitat, future oceanographic environmental changes such as ENSO/global warming may have detrimental effects on the marine ecosystems and the survival of these shallow water regional endemic species (Chen et al. 2004; Soto, 2001).

Conservation Actions [top]

Conservation Actions:	There are no known conservation measures for this species. However, this species distribution falls partially into a number of Marine Protected Areas in the Eastern Pacific region (WDPA 2006).

Conservation Actions:

There are no known conservation measures for this species. However, this species distribution falls partially into a number of Marine Protected Areas in the Eastern Pacific region (WDPA 2006).

Citation:	Hastings, P. & Dominici-Arosemena, A. 2010. Dialommus macrocephalus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 22 May 2013.
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