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Scomberomorus tritor  (Cuvier, 1832)

West African Spanish mackerel
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Togo country information

Common names: Adzuda, Dzadu, Maquerreau-bonite
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/to.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Collette, B.B. and C.E. Nauen, 1983
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Main reference

Size / Weight / Age

Max length : 100.0 cm TL male/unsexed; (Ref. 2683); 98.0 cm FL (female); common length : 75.0 cm TL male/unsexed; (Ref. 2683); max. published weight: 6.0 kg (Ref. 40637); max. reported age: 5 years (Ref. 27160)

Length at first maturity
Lm 37.3, range 33 - 45 cm

Environment

Marine; brackish; pelagic-neritic; oceanodromous (Ref. 51243); depth range 1 - 40 m (Ref. 28173), usually 20 - 25 m (Ref. 28173)

Climate / Range

Tropical, preferred 24°C (Ref. 107945); 45°N - 19°S, 24°W - 14°E (Ref. 168)

Distribution

Eastern Atlantic: Canary Islands and Senegal to the Gulf of Guinea and Baía dos Tigres, Angola. Rarely found in the northern Mediterranean Sea, along the coasts of France and Italy. This species has been erroneously been considered as a synonym of Scomberomorus maculatus by many authors.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 15 - 18; Dorsal soft rays (total): 0; Anal soft rays: 17 - 20; Vertebrae: 46 - 47. Interpelvic process small and bifid. Body covered with small scales. Lateral line gradually curving down toward caudal peduncle. Intestine with 2 folds and 3 limbs. Swim bladder absent. Some large individuals with thin vertical bars. Anterior half of first dorsal fin and margin of posterior half of first fin black.

Biology     Glossary (e.g. epibenthic)

Inhabits warm waters (Ref. 2683). Forms school close to the shore (Ref. 9987). Enters coastal lagoons and feeds on clupeids particularly Ethmalosa fimbriata. Reproduces in July to August (Ref. 5377). Eggs and larvae are pelagic (Ref. 6769). Utilized fresh, dried-salted, smoked and frozen (Ref. 9987).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: commercial

More information

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

Download XML

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)
4.3   ±0.74 se; Based on food items.

Resilience (Ref. 69278)
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.31-0.33; tmax=5; Fec=1 million)

Vulnerability (Ref. 59153)
Moderate vulnerability (38 of 100)
Price category (Ref. 80766)
High