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Scatophagus argus  (Linnaeus, 1766)

Spotted scat
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Scatophagus argus   AquaMaps   Data sources: GBIF OBIS
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Image of Scatophagus argus (Spotted scat)
Scatophagus argus
Picture by Dikic, D.

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Scatophagidae (Scats)
Etymology: Scatophagus: Greek, skatophagos = feeding upon dung (Ref. 45335).

Environment / Climate / Range Ecology

Marine; freshwater; brackish; reef-associated; amphidromous (Ref. 51243); depth range 0 - 5 m (Ref. 90102).   Tropical; 20°C - 28°C (Ref. 13371); 32°N - 23°S

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 14 - ? cm
Max length : 38.0 cm TL male/unsexed; (Ref. 6028); common length : 20.0 cm TL male/unsexed; (Ref. 3489)

Short description Morphology | Morphometrics

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 16-18; Anal spines: 4; Anal soft rays: 13 - 15. Ground colour greenish. Juveniles with a few large roundish blotches, about size of eye, or with about 5 or 6 broad, dark, vertical bars. In large adults, spots may be faint and restricted to dorsal part of flanks. Body quadrangular, strongly compressed. Dorsal head profile steep. Eye moderately large, its diameter somewhat smaller than snout length. Snout rounded. Mouth small, horizontal, not protractile. Teeth villiform, in several rows on jaws (ref 43044).

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

Indo-Pacific: Kuwait to Fiji, north to southern Japan, south to New Caledonia. Reported from Samoa (Ref. 9710), Tonga (Ref. 53797), and the Society Islands (Ref. 2847).

Biology     Glossary (e.g. epibenthic)

Inhabit harbors, natural embayments, brackish estuaries and the lower reaches of freshwater streams, frequently occurring among mangroves. Feed on worms, crustaceans, insects and plant matter (Ref. 7020, 44894, 48637). The dorsal, anal and pelvic spines are believed by Philippine fishers to be venomous and capable of inflicting wounds (Ref. 6565). Used in Chinese medicine (Ref. 12166). In Hong Kong live fish markets (Ref. 27253). Marketed as fresh (Ref. 12693).

Main reference Upload your references | References | Coordinator | Collaborators

Allen, G.R., 1984. Scatophagidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51). volume 4. [var. pag.]. FAO, Rome.

IUCN Red List Status (Ref. 90363)

Threat to humans

  Venomous (Ref. 6565)




Human uses

Fisheries: minor commercial; aquaculture: commercial; aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.8125   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02140 (0.00807 - 0.05672), b=2.97 (2.75 - 3.19), based on LWR estimates for this Subfamily-BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.0   ±0.35 se; Based on food items.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (18 of 100) .
Price category (Ref. 80766):   Low.