# Filimanus > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Filimanus > Markdown URL: https://mediated.wiki/source/Filimanus.md > Source: https://en.wikipedia.org/wiki/Filimanus > Source revision: 1354684912 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) Genus of fishes Filimanus Filimanus heptadactyla Scientific classification Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Carangiformes Suborder: Pleuronectoidei Family: Polynemidae Genus: Filimanus Myers, 1936[1] Type species Filimanus perplexa Feltes, 1991[1] ***Filimanus*** is a genus of marine [ray-finned fishes](/source/Ray-finned_fish), [threadfins](/source/Threadfin) from the [family](/source/Family_(taxonomy)) [Polynemidae](/source/Polynemidae).[2] ## Features The fishes of the [genus](/source/Genus) *Filimanus* have a body which is oblong to moderately deep and compressed. They have a well developed adipose eyelid and the diameter of the eye is longer than the length of the snout. They have a well developed lip on their lower jaws and the teeth on the [dentary bone](/source/Dentary_bone) are restricted to its dorsal surface. There are narrow bands of [villiform](/source/Villiform) teeth on their jaws, [palatine bone](/source/Palatine_bone) and [ectopterygoids](/source/Ectopterygoid). The rear joint of the mouth extends past the level of rear margin of the adipose eyelid. The rear margin of the gill cover is serrated. They have two [dorsal fins](/source/Dorsal_fin) with the first dorsal fin having 8 spines and the second dorsal fin has a single spine and 11 to 13 soft rays while the [anal fin](/source/Anal_fin) has 3 spines and 10 to 15 soft rays. The base of the anal fin is shorter than the length of the head. The [pectoral fin](/source/Pectoral_fin) contains 13 to 16 unbranched rays and it is placed below the midline of body. The [caudal fin](/source/Caudal_fin) is deeply forked but its lobes do not have filaments.[3] ## Distribution and habitat *Filimanus* species are found in the Indian and western Pacific Ocean,[2] where they are found in waters of depths of 1 to 80 metres (3.3 to 262.5 ft) in depth over sandy and muddy substrates, often found in estuaries.[3] ## Species The following species are classified as within the genus *Filimanus*: - *[Filimanus heptadactyla](https://en.wikipedia.org/w/index.php?title=Filimanus_heptadactyla&action=edit&redlink=1)* ([Cuvier](/source/Georges_Cuvier), 1829) (Sevenfinger threadfin) - *[Filimanus hexanema](https://en.wikipedia.org/w/index.php?title=Filimanus_hexanema&action=edit&redlink=1)* ([Cuvier](/source/Georges_Cuvier) 1829) (Javanese threadfin) - *[Filimanus perplexa](https://en.wikipedia.org/w/index.php?title=Filimanus_perplexa&action=edit&redlink=1)* Feltes 1991 (Splendid threadfin) - *[Filimanus sealei](https://en.wikipedia.org/w/index.php?title=Filimanus_sealei&action=edit&redlink=1)* ([Jordan](/source/David_Starr_Jordan) & [Richardson](/source/Robert_Earl_Richardson), 1910) (Eightfinger threadfin) - *[Filimanus similis](https://en.wikipedia.org/w/index.php?title=Filimanus_similis&action=edit&redlink=1)* Feltes 1991 (Indian sevenfinger threadfin) - *[Filimanus xanthonema](https://en.wikipedia.org/w/index.php?title=Filimanus_xanthonema&action=edit&redlink=1)* ([Valenciennes](/source/Achille_Valenciennes), 1831) (Yellowthread threadfin) ## Type species *Filimanus* was [described](/source/Species_description) as new genus by George S. Myers in 1936 with its only species being based on a single [specimen](/source/Zoological_specimen) which he identified as *[Polynemus melanochir](https://en.wikipedia.org/w/index.php?title=Polynemus_melanochir&action=edit&redlink=1)* but which was subsequently found to be a misidentification and *P. melanochir* is a valid species now classified in the genus *[Polydactylus](/source/Polydactylus)* which meant that Myers specimen remained undescribed. Subsequently Ross M. Feltes described it as *Filimanus perplexa* and added 5 other species to this new genus. Opinion 1761 of the [International Commission on Zoological Nomenclature](/source/International_Commission_on_Zoological_Nomenclature) confirmed *F. perplexa* as the [type species](/source/Type_species) of Myers's genus.[3] ## References 1. ^ [***a***](#cite_ref-CofF_1-0) [***b***](#cite_ref-CofF_1-1) Fricke, Ron; [Eschmeyer, William N.](/source/William_N._Eschmeyer) & van der Laan, Richard (eds.). ["*Filimanus*"](http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?genid=6499). *[Catalog of Fishes](/source/Catalog_of_Fishes)*. [California Academy of Sciences](/source/California_Academy_of_Sciences). Retrieved 14 April 2020. 1. ^ [***a***](#cite_ref-Fishbase_2-0) [***b***](#cite_ref-Fishbase_2-1) [Froese, Rainer](/source/Rainer_Froese); [Pauly, Daniel](/source/Daniel_Pauly) (eds.). [*Filimanus* "Species in genus '**Filimanus'**"](https://www.fishbase.org/identification/SpeciesList.php?genus=). *[FishBase](/source/FishBase)*. December 2019 version. 1. ^ [***a***](#cite_ref-FAO_3-0) [***b***](#cite_ref-FAO_3-1) [***c***](#cite_ref-FAO_3-2) Hiroyuki Motomura & Food and Agriculture Organization of the United Nations (2004). [*Threadfins of the World (family Polynemidae): An Annotated and Illustrated Catalogue of Polynemid Species Known to Date*](http://www.fao.org/3/y5398e/y5398e04.pdf) (PDF). FAO species identification field guide for fishery purposes. Vol. 3. Food & Agriculture Org. Taxon identifiers Filimanus Wikidata: Q2472265 Wikispecies: Filimanus BOLD: 90920 CoL: 4K3W GBIF: 2393350 iNaturalist: 88379 IRMNG: 1001101 ITIS: 645376 NCBI: 445364 Open Tree of Life: 188712 Plazi: 35625796-73D0-058B-11B0-9DDE4FC27021 WoRMS: 269157 ZooBank: B031D986-DD88-4207-8F58-122AAF119916 --- Adapted from the Wikipedia article [Filimanus](https://en.wikipedia.org/wiki/Filimanus) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Filimanus?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.