Overview

Comprehensive Description

Biology

Inhabit chiefly Zostera seagrass beds but also found on Posidonia beds and sandy bottoms, rarely on rocky bottoms. Carnivorous, feed on worms, crustaceans, mollusks, echinoderms and hydrozoans. The sexes are separated, although these fish are potential hermaphrodites; certain individuals are protandric (Ref. 4781).
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Distribution

Distribution

Black Sea, European waters (ERMS scope), Greek Exclusive Economic Zone, Israeli Exclusive Economic Zone [Mediterranean part], Portugese Exclusive Economic Zone, Spanish Exclusive Economic Zone
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Eastern Atlantic: Madeira and Canary islands. Also found along the coast of Portugal northward to the Bay of Biscay, Mediterranean, Black Sea and Sea of Azov (Ref. 4781).
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Physical Description

Size

Maximum size: 240 mm ---
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Max. size

24.0 cm TL (male/unsexed; (Ref. 3397)); max. reported age: 7 years (Ref. 26328)
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Ecology

Habitat

Depth range based on 319 specimens in 1 taxon.
Water temperature and chemistry ranges based on 223 samples.

Environmental ranges
  Depth range (m): 1.5 - 123
  Temperature range (°C): 14.667 - 20.207
  Nitrate (umol/L): 0.729 - 3.339
  Salinity (PPS): 35.336 - 37.969
  Oxygen (ml/l): 5.144 - 5.717
  Phosphate (umol/l): 0.091 - 0.674
  Silicate (umol/l): 1.178 - 6.203

Graphical representation

Depth range (m): 1.5 - 123

Temperature range (°C): 14.667 - 20.207

Nitrate (umol/L): 0.729 - 3.339

Salinity (PPS): 35.336 - 37.969

Oxygen (ml/l): 5.144 - 5.717

Phosphate (umol/l): 0.091 - 0.674

Silicate (umol/l): 1.178 - 6.203
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Depth: 0 - 90m.
Recorded at 90 meters.

Habitat: benthopelagic.
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Environment

benthopelagic; brackish; marine; depth range 0 - 90 m (Ref. 4781)
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Trophic Strategy

Inhabits chiefly Zostera seagrass beds but is also found on Posidonia beds and sandy bottoms, rarely on rocky bottoms. Carnivorous, feeds on worms, crustaceans, molluscs, echinoderms and hydrozoans.
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Life History and Behavior

Life Cycle

Normally sexes are separate but some individuals are protandrous. Also Ref. 28504.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Diplodus annularis

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

 
There are 2 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.
 
CSFOM174-10|CSFOM-257|Diplodus annularis| ------------------------------------------------------TTTGGTGCCTGGGCCGGAATAGTAGGAACTGCCCTA---AGCCTGCTCATTCGAGCTGAACTAAGCCAGCCTGGCGCTCTCCTTGGAGAC---GACCAGATTTATAATGTAATTGTTACAGCACATGCATTTGTAATAATTTTCTTTATAGTAATACCAATCATGATTGGAGGCTTTGGAAACTGATTAATTCCCCTTATG---ATCGGTGCCCCCGATATAGCATTCCCCCGAATAAATAATATGAGCTTCTGATTACTCCCCCCATCGTTCCTTCTCCTGCTAGCTTCTTCCGGAGTTGAAGCTGGGGCTGGGACCGGGTGAACAGTTTACCCGCCTCTGGCAGGAAACCTTGCCCACGCAGGTGCATCAGTTGACTTA---ACCATTTTCTCCCTCCACCTAGCCGGGATCTCATCTATTCTTGGTGCTATTAACTTCATCACCACAATTATTAACATGAAACCTCCCGCTATTTCGCAATATCAAACACCGCTATTTGTATGAGCTGTCCTAATTACTGCCGTTCTACTTCTTCTATCTCTTCCAGTCCTTGCCGCA---GGCATTACAATACTCCTAACAGATCGAAACCTAAACACCACTTTCTTCGACCCAGCAGGAGGGGGAGACCCAATTCTCTACCAACATCTA------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 
-- end --

Download FASTA File
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Statistics of barcoding coverage: Diplodus annularis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Species: 4
Species With Barcodes: 1

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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial; gamefish: yes
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