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Diplodus annularis  (Linnaeus, 1758)

Annular seabream
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Native range | All suitable habitat | Point map | Year 2100
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Diplodus annularis   AquaMaps   Data sources: GBIF OBIS
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Image of Diplodus annularis (Annular seabream)
Diplodus annularis
Picture by Patzner, R.


Portugal country information

Common names: Alcarraz, Sargo-alcorraz
Occurrence: native
Salinity: brackish
Abundance: occasional (usually not seen) | Ref: Veiga, P., J. Ribeiro, J.M.S. Gonçalves and K. Erzini, 2010
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in Tagus estuary (Ref. 51031). Recorded from the south and southwest coast (Ref. 85184).
National Checklist: Portugal
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/po.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Bauchot, M.-L., 1987
National Database: Portuguese Freshwater Fishes

Classification / Names

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Sparidae (Porgies)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 25.3 cm TL male/unsexed; (Ref. 33903); common length : 13.0 cm TL male/unsexed; (Ref. 3397); max. reported age: 7 years (Ref. 26328)

Length at first maturity
Lm 11.2, range 8 - 19.6 cm

Environment

Marine; brackish; benthopelagic; depth range 0 - 90 m (Ref. 4781)

Climate / Range

Subtropical, preferred 11°C (Ref. 107945); 49°N - 27°N, 19°W - 42°E

Distribution

Eastern Atlantic: Canary islands, also found along the coast of Portugal northward to the Bay of Biscay, Mediterranean, Black Sea and Sea of Azov (Ref. 4781).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 11; Dorsal soft rays (total): 11-13; Anal spines: 3; Anal soft rays: 11 - 12

Biology     Glossary (e.g. epibenthic)

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).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: commercial; gamefish: yes

More information

References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

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Internet sources

BHL | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(fisheries: production; publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | Public aquariums | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.6   ±0.0 se; Based on diet studies.

Resilience (Ref. 69278)
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.2-0.5; tmax=7; Fecundity=18,000 - 212,000)

Vulnerability (Ref. 59153)
Low to moderate vulnerability (27 of 100)
Price category (Ref. 80766)
Low