Merluccius hernandezi


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Merluccius hernandezi
Species Authority: Mathews, 1985
Common Name/s:
English Cortez Hake
Spanish Merluza de Cortés
Taxonomic Notes: There remains some taxonomic debate surrounding the species status of Merluccius hernandezi (Lloris et al. 2003).  It was previously classed as belonging to the species M. angustimanus.

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2010
Date Assessed: 2009-01-29
Assessor/s: Dooley, J., Fritzsche, R., Matsuura, K., Collette, B., Nelson, J., Carpenter, K. & Iwamoto, T.
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.
Merluccius hernandezi has been assessed as Data Deficient.  The taxonomy of this species is uncertain, and there is very little information available regarding its population numbers and biology.  Further research is therefore needed before a more accurate assessment of its conservation status can be made.

Geographic Range [top]

Range Description: Merluccius hernandezi is known from the Gulf of California.
FAO Marine Fishing Areas:
Pacific – eastern central
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Merluccius hernandezi was previously classed as Merluccius angustimanus, and is said to have a low abundance (Cohen et al. 1990).
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: Merluccius hernandezi inhabits epipelagic and mesopelagic zone waters of the continental shelf, open sea, and seamounts, to a depth of around 300 m.  This is likely to be a small-sized species, as it has been recognised as a 'dwarf' Hake stock (Iwamoto et al. 2004).
Systems: Marine

Threats [top]

Major Threat(s): Merluccius hernandezi is of no real commercial importance and is only exploited on a local scale by trawlers (Cohen et al. 1990).

Conservation Actions [top]

Conservation Actions: There are no known species-specific conservation measures in place for Merluccius hernandezi.  Further research is needed on the taxonomy and biology of this species, as well as on its abundance and threats.
Citation: Dooley, J., Fritzsche, R., Matsuura, K., Collette, B., Nelson, J., Carpenter, K. & Iwamoto, T. 2010. Merluccius hernandezi. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <>. Downloaded on 20 April 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 fill in the feedback form so that we can correct or extend the information provided