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

Sparaillon commun, Raspallón, Annular sea bream, ... more

Main reference

Bauchot, M.-L. and J.-C. Hureau. 1990. (Ref. 3688)
References | Biblio | Coordinator | Collaborators

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
L_m 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

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)

Least Concern (LC)

Threat to humans

Harmless

Human uses

Fisheries: commercial; gamefish: yes

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development

Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance

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

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

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

Diplodus annularis (Linnaeus, 1758)