Monodactylus argenteus  (Linnaeus, 1758)

Silver moony
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Monodactylus argenteus   AquaMaps   Data sources: GBIF OBIS
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Image of Monodactylus argenteus (Silver moony)
Monodactylus argenteus
Picture by Randall, J.E.

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Monodactylidae (Moonyfishes or fingerfishes)
Etymology: Monodactylus: Greek, monos = one + Greek, daktylos = finger (Ref. 45335).

Environment / Climate / Range Ecology

Marine; freshwater; brackish; pelagic-neritic.   Tropical; 24°C - 28°C (Ref. 1672); 31°N - 42°S, 19°E - 169°W

Length at first maturity / Size / Weight / Age

Maturity: Lm 13.0  range ? - ? cm
Max length : 27.0 cm SL male/unsexed; (Ref. 44894); common length : 12.0 cm TL male/unsexed; (Ref. 5450)

Short description Morphology | Morphometrics

Dorsal spines (total): 7 - 8; Dorsal soft rays (total): 27-31; Anal spines: 3; Anal soft rays: 27 - 32. Adults bright silver with yellow and dusky dorsal fin tip. Small juveniles more colorful with yellow over most of the dorsal fin and two vertical black bands over the head (Ref. 48636). Fins yellow except pectoral translucent. Eyes large, mouth small (Ref. 90102).

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

Indo-West Pacific: Red Sea and East Africa (Ref. 7293) to Samoa, north to the Yaeyamas, south to New Caledonia and Australia (Ref. 4959). Known from the freshwater tidal zone of the Mekong delta (Ref. 12693).

Biology     Glossary (e.g. epibenthic)

Found in bays, mangrove estuaries, tidal creeks, and lower reaches of freshwater streams (Ref. 2847, 44894, 48636); occasionally in silty coastal reefs (Ref. 9710). Feeds on plankton and detritus (Ref. 5213, 44894). Commonly seen in schools (Ref. 44894); small juveniles either solitary or in small aggregations (Ref. 48635). Highly territorial (Ref. 9710). Caught with throw nets (Ref. 30573).

Main reference Upload your references | References | Coordinator | Collaborators

Heemstra, P.C., 1984. Monodactylidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51). Vol. 3. FAO, Rome. [pag. var.]. (Ref. 7293)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

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

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5781   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03240 (0.01902 - 0.05519), b=2.98 (2.83 - 3.13), based on LWR estimates for species & Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.0   ±0.33 se; Based on food items.
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (23 of 100) .
Price category (Ref. 80766):   Unknown.