Overview

Comprehensive Description

Dicologlossa cuneata (Moreau, 1881)

SMNS 25269 (1 specimen) from sandy bottom in 3 m depth at Lagoa Azul.

  • Peter Wirtz, Carlos Eduardo L. Ferreira, Sergio R. Floeter, Ronald Fricke, Joao Luiz Gasparini, Tomio Iwamoto, Luiz Rocha, Claudio L. S. Sampaio, Ulrich K. Schliewen (2007): Coastal Fishes of Sao Tome and Principe islands, Gulf of Guinea (Eastern Atlantic Ocean) - an update. Zootaxa 1523, 1-48: 22-22, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:2202520B-A3E7-492D-A932-14463CD6DAF9
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Biology

Inhabits mainly sandy or sand-mud bottoms (Ref. 27121). Feeds on a wide range of small bottom-living organisms, mainly crustaceans, polychaete worms, bivalve mollusks, etc. (Ref. 4710). Oviparous (Ref. 205). Eggs are pelagic and non-adhesive (Ref. 205). Minimum depth reported from Ref. 27121.
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Distribution

Range Description

Dicologlossa cuneata occurs from the Bay of Biscay and the western Mediterranean (along the Spanish coast from Gibraltar to Malaga and off Morocco and Algeria), to the Cape of Good Hope (J. Nelson pers. comm. 2009).
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Eastern Atlantic: Bay of Biscay and the Mediterranean to the Cape of Good Hope, South Africa.
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Mediterranean Sea, eastern Atlantic: Bay of Biscay to Cape of Good Hope, South Africa.
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 81 - 90; Analspines: 0; Analsoft rays: 65 - 77; Vertebrae: 43 - 45
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Size

Maximum size: 300 mm SL
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Max. size

30.0 cm SL (male/unsexed; (Ref. 4710))
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Diagnostic Description

Brownish grey with small dark spots; pectorals blackish with pale margin (Ref. 3200).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
The preferred habitat of Dicologlossa cuneata is sandy or sand-mud bottoms at depths of 15 - 40 m or to 115 m along the inner shelf of the Gulf of Cadiz (Jimenez et al. 2001). Its diet consists of crustaceans, polychaetes and bivalves. It has a long spawning season, beginning in autumn and continuing through till early summer.

Systems
  • Marine
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Depth range based on 36 specimens in 1 taxon.
Water temperature and chemistry ranges based on 15 samples.

Environmental ranges
  Depth range (m): 1.5 - 430
  Temperature range (°C): 11.202 - 22.497
  Nitrate (umol/L): 0.069 - 27.856
  Salinity (PPS): 35.415 - 36.645
  Oxygen (ml/l): 1.328 - 5.734
  Phosphate (umol/l): 0.221 - 1.755
  Silicate (umol/l): 1.108 - 11.272

Graphical representation

Depth range (m): 1.5 - 430

Temperature range (°C): 11.202 - 22.497

Nitrate (umol/L): 0.069 - 27.856

Salinity (PPS): 35.415 - 36.645

Oxygen (ml/l): 1.328 - 5.734

Phosphate (umol/l): 0.221 - 1.755

Silicate (umol/l): 1.108 - 11.272
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Environment

demersal; brackish; marine; depth range 10 - 460 m (Ref. 5304), usually 10 - 150 m (Ref. 31498)
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Depth range based on 36 specimens in 1 taxon.
Water temperature and chemistry ranges based on 15 samples.

Environmental ranges
  Depth range (m): 1.5 - 430
  Temperature range (°C): 11.202 - 22.497
  Nitrate (umol/L): 0.069 - 27.856
  Salinity (PPS): 35.415 - 36.645
  Oxygen (ml/l): 1.328 - 5.734
  Phosphate (umol/l): 0.221 - 1.755
  Silicate (umol/l): 1.108 - 11.272

Graphical representation

Depth range (m): 1.5 - 430

Temperature range (°C): 11.202 - 22.497

Nitrate (umol/L): 0.069 - 27.856

Salinity (PPS): 35.415 - 36.645

Oxygen (ml/l): 1.328 - 5.734

Phosphate (umol/l): 0.221 - 1.755

Silicate (umol/l): 1.108 - 11.272
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth: 10 - 460m.
From 10 to 460 meters.

Habitat: demersal.
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Diseases and Parasites

Acanthocephaloides Infestation. Parasitic infestations (protozoa, worms, etc.)
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Dicologlossa cuneata

The following is a representative barcode sequence, the centroid of all available sequences for this species.


There are 3 barcode sequences available from BOLD and GenBank.

Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.

See the BOLD taxonomy browser for more complete information about this specimen and other sequences.

TCCCTTTATCTCGTATTTGGTGCCTGAGCGGGAATAGTAGGCACCGCCCTA---AGCCTTCTAATTCGGGCTGAACTGAGCCAACCTGGCTCCCTCCTGGGGGAC---GACCAAATTTACAATGTTATTGTCACCGCGCATGCTTTCGTAATAATTTTCTTTATAGTAATGCCGGTGATAATTGGAGGCTTCGGAAATTGGCTCATCCCCTTAATG---ATTGGGGCCCCCGATATGGCATTCCCTCGAATAAATAACATAAGCTTCTGACTCCTGCCCCCAGCCTTCTTGCTTCTCCTCACTTCTTCAGTCGTAGAAGCCGGGGCCGGAACCGGATGGACTGTATACCCCCCTCTTTCAAGCAACTTAGCCCATGCAGGCGCATCTGTCGACTTG---ACCATCTTTTCCCTTCACCTTGCAGGAGTTTCATCAATCCTTGGAGCAATTAACTTTATTACAACCATTATTAACATAAAACCTGCAACCATAACAATGTACCACATACCCTTTTTGGTGTGATCCGTTCTAATTACGGCAGTACTACTTCTTCTCTCGCTCCCTGTGCTAGCTGCA---GGTATTACCATGCTACTGACGGACCGAAATCTAAACACAACATTCTTCGACCCTGCTGGAGGAGAGAAACCCATCCTTTACCACCAT---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TGG---------------------------------------------------------------------------------------------------------TTT
-- end --

Download FASTA File

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Statistics of barcoding coverage: Dicologlossa cuneata

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 4
Specimens with Barcodes: 8
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Munroe, T.A. & Nielsen, J.G.

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. and Livingston, F.

Justification
Dicologlossa cuneata has been assessed as Least Concern to its large distribution. Despite being harvested on a commercial scale and being one of the main target species off the coast of Spain, population numbers are on the increase in the northern part of this species range. Monitoring of the harvest levels of this species is needed to ensure a threat category is not triggered in the future.
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Population

Population
The population of Dicologlossa cuneata is increasing in the northern part of its range, possibly due to climate change induced ocean warming, and subsequent greater juvenile survival (Dsaunay et al. 2006).

Population Trend
Unknown
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Threats

Major Threats
Dicologlossa cuneata is among the main target species along the coast of Spain (Jimnez et al. 2001) and of high commercial interest in the Gulf of Cdiz (Bald et al. 2006).
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
There are no species-specific conservation measures in place for Dicologlossa cuneata.

Further research on the extent to which this species is harvested, is needed. Monitoring of the harvest levels is also needed in order to determine if there is a significant decline in the population.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
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Wikipedia

Wedge sole

The wedge sole (Dicologlossa cuneata), is a flatfish of the Soleidae family. It is a bottom dwelling predatory fish inhabiting both sandy and muddy soils at depths between 10 and 450 m (33 and 1,476 ft) in the East Atlantic and Mediterranean Sea. It achieves a maximum size of 30 cm (12 in).

Morphology[edit]

Wedge soles are a flatfish having a maximum size of 30 cm (12 in). Several characteristics permit their distinction from other Soleidae, notably the juveniles of other species with which it is sometimes confused.

Its body is more elongated than most other species of the Soleidae genus, with scales that detach more easily than the common sole. The upper face is a chocolate brown and carries characteristic blueish marks. On this side, the pectoral fin has a black mark which doesn't extend to the end, contrary to other soles. This fin has a marked triangular shape. The angular snout covers a little of the lower jaw. Another feature is that the lateral line is formed of between 105 and 132 tubular scales, compared to between 116 and 163 for the common sole. Additionally, this line showed a marked curve towards the head in the supratemporal area, while it is more gently curved in solea solea.[1]

Other anatomical differences between the species are the position of the migratory eye,[2] the shape of the urohyal and the number of vertebrae; Dicologlossa cuneata has 43-45 vertebrae, compared to 49-52 for Solea solea.[3]

Fishing and eating[edit]

The legal minimum size for capture of the wedge sole is 15 cm (5.9 in).[where?] They are typically caught more in the colder months of the year. The flesh is white, delicate and low in fat. The bones are not difficult to remove when eating.

In France, the wedge sole is a speciality of the fishing ports of Cotinière, on the île d'Oléron, and Royan, in Charente-Maritime.

It is widely eaten in Andalusia, where it is generally fried. Common fishing zones are in the southern Atlantic due to the fish's preference for a subtropical climate, but it is also found in the Mediterranean. The mouth of the Guadalquivir river in southern Spain is an important habitat for the species; the predominant Spanish landing port being Sanlúcar de Barrameda

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