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Atractoscion aequidens  (Cuvier, 1830)

Geelbeck croaker
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Native range | All suitable habitat | Point map | Year 2100
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Atractoscion aequidens   AquaMaps   Data sources: GBIF OBIS
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Image of Atractoscion aequidens (Geelbeck croaker)
Atractoscion aequidens
Picture by Caine, C.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Sciaenidae (Drums or croakers)
Etymology: Atractoscion: Greek, atraktos, arrow + Greek, skion, skiaina = barbel, red mullet (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; benthopelagic; depth range 15 - 200 m (Ref. 3593), usually 100 - 200 m (Ref. 3593).   Tropical; 14°N - 28°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Indian Ocean: off Mozambique and South Africa.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 65 - ? cm
Max length : 130 cm TL male/unsexed; (Ref. 4373); common length : 90.0 cm SL male/unsexed; (Ref. 9772); max. published weight: 25.0 kg (Ref. 4373)

Short description Morphology | Morphometrics

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 25-32; Anal spines: 2; Anal soft rays: 9 - 10. Body silvery (Ref. 4373).

Biology     Glossary (e.g. epibenthic)

Found in coastal waters, over sand muddy bottom. Juveniles enter estuaries. Adults feed on pelagic fishes at night. Often caught with Umbrina canariensis. Feeds on pelagic fish such as mackerel and horse mackerel (Ref. 36731). Marketed fresh, flesh highly esteemed (Ref. 9772).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Chao, L.N. and E. Trewavas, 1990. Sciaenidae. p. 813-826. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3593)

IUCN Red List Status (Ref. 115185)

  Vulnerable (VU) (A2bd)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial; gamefish: yes
FAO(fisheries: production; publication : search) | FishSource | Sea Around Us

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 14 - 26.5, mean 18.7 (based on 131 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00424 - 0.01487), b=3.06 (2.90 - 3.22), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic Level (Ref. 69278):  4.5   ±0.80 se; Based on food items.
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (K=0.27; tm=5).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (51 of 100) .
Price category (Ref. 80766):   Medium.