Ecology

Habitat

Depth range based on 5835 specimens in 34 taxa.
Water temperature and chemistry ranges based on 1477 samples.

Environmental ranges
  Depth range (m): 0 - 358
  Temperature range (°C): 7.337 - 27.601
  Nitrate (umol/L): 0.144 - 33.602
  Salinity (PPS): 32.507 - 36.993
  Oxygen (ml/l): 0.299 - 6.494
  Phosphate (umol/l): 0.006 - 2.291
  Silicate (umol/l): 0.756 - 22.984

Graphical representation

Depth range (m): 0 - 358

Temperature range (°C): 7.337 - 27.601

Nitrate (umol/L): 0.144 - 33.602

Salinity (PPS): 32.507 - 36.993

Oxygen (ml/l): 0.299 - 6.494

Phosphate (umol/l): 0.006 - 2.291

Silicate (umol/l): 0.756 - 22.984
 
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:159Public Records:28
Specimens with Sequences:136Public Species:7
Specimens with Barcodes:135Public BINs:9
Species:14         
Species With Barcodes:11         
          
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Barcode data

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Anchoa

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Wikipedia

Anchoa

Anchoa is a genus of anchovies. It currently consists of 35 species.

Species[edit]

There are currently 35 recognized species in this genus:[1]

Description[edit]

Anchoa are small, silvery fish that range anywhere from 5.8 cm - 24 cm. The smallest of these species is the Anchoa belizensis and the largest is Anchoa spinifer. These fish are distributed throughout the Americas, mostly in the Pacific and the Atlantic Ocean.

Survival in Latin America[edit]

The survival of these populations is dependendent on biological and environmental fluctuations, these being more severe in Latin American regions than in any other regions. The most important commercial fisheries are found in the Southeast Pacific Ocean, where the upwelling Humboldt current sustains large populations of pelagic (surface dwelling) species. However, every two to seven years, the cold Humboldt current is disrupted by the extreme weather patterns of El Nino and sometimes, La Nina.

El Nino[edit]

El Nino arises from a relaxation of the trade winds, which slows the upwelling of the Humboldt current allowing warmer water from the Western Pacific to move eastwards. This change in currents raises sea surface temperatures, reducing food supplies and so increasing natural mortality. Similar effects are observed in the East Central Pacific fisheries of Mexico, where the fish are also vulnerable to the effects of El Nino.

Endangered Species[edit]

Due to rampant overfishing, these fish have been added to the list of endangered species. The effects of rampant overfishing in Latin America are often amplified by the disruptive patterns of El Niño.

References[edit]

  1. ^ Froese, Rainer, and Daniel Pauly, eds. (2013). Species of Anchoa in FishBase. April 2013 version.


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