Monodactylus argenteus

Super Group: 
Opisthokonta
Phylum: 
Chordata
Sub-Phylum: 
Vertebrata
Class: 
Actinopteri
Order: 
Perciformes
Sub-Order: 
Percoidei
Family: 
Monodactylidae
Genus: 
Monodactylus
Species: 
argenteus
Authority: 
Linnaeus 1758
Synonym(s): 
Chaetodon argenteus (Linnaeus, 1758)
Scomber rhombeus (Forsskål, 1775)

Diagnosis

Diagnosis_Genus:Monodactylus Lacepede. A single ray very short and barely visible to each thoracic fin. A single dorsal fin.

Diagnosis_Species: Chaetodon argenteus Linnaeus. C. spinis dorsalibus 3, cauda bifida, pinnis ventralibus ex spinis duabus. Chin. Lagerstr. 26. D. 3/32. P.. 26. V. 2/0. A. 3/32. C. 17. Habitat in Indiis.

Other description (Aquabase): The body is high, almost round and very compressed laterally. The base color of juvenile specimens is silvery with yellowish reflections mainly on the dorsal fin. The iris is very large and its eye is crossed by a dark band. A second stripe is located just at the level of the caps and borders one side of the anal fin. With age the colors fade (especially the yellow).

Body_adults_length: 20-25 cm (Wikipedia)
Body_adults_max_length: 27 cm (Fishbase)
Body_egg_length: 0.91-1.01 mm (fisheggs-and-larvae.saiab)
Body_larvae_4DPH: 3 mm (fisheggs-and-larvae.saiab)
Body_larvae_preflexion_length: 3.3 mm (Leis & Carson-Ewart, 2000)
Body_larvae_flexion_length: 3.7-4.7 mm (Leis & Carson-Ewart, 2000)
Body_sexual_maturity_length: 15 cm (Van der Elst)
Sequence_mtDNA: AP009169 (Yamanoue et al., 2007)

 

Etymology

Monodactylus: Greek, monos = one + Greek, daktylos = finger (Fishbase)

Type species

The type species of the genus Monodactylus is Monodactylus falciformis (Lacepède, 1801).

Ecology

Monodactylus argenteus lives in Indo-West Pacific: Red Sea and East Africa, including the Persian Gulf to Samoa, north to the Yaeyamas, south to New Caledonia and Australia. It is known from the freshwater tidal zone of the Mekong delta (Fishbase).
Monodactylus argenteus is a non migratory species.

Substrate: water
Salinity: marine
Salinity: brackish
Salinity: fresh
Sociability_adults: gregarious
Temperature: 26-28°C (Wikipedia)
pH: 7.5-8.5 (Wikipedia)
Habitat: estuarine
Habitat: coastal
Habitat: mangrove
Oxygen_level: oxic
Depth: 0-20 m
Depth_egg: demersal (https://books.google.fr/books?id=-IXyRmngg4cC&pg=PA352&lpg=PA352&dq=mono...)

 

Life cycle

No sexual dimorphism.
The maximum life span reported for Monodactylus argenteus is 15 years (Aquabase).

Reproduction_mode: sexual (oviparous)
Longevity: more than 3 years

Feeding behaviour

Omnivorous

Mode of locomotion

Motility: motile_swimming

Observation site(s)

SYMBIONTS

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Association with... Region origin Name of site In reference...
Amyloodinium ocellatum Aquarium Zoological Society of London

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