Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Polynemidae
Etymology: Filimanus: Latin, filum = thread + latin, manus = hand (Ref. 45335); xanthonema: From the Greek word 'xantho' yellow, and 'nema', thread, in reference to yellow pectoral filaments (Ref. 39607).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 1 - 30 m (Ref. 57343). Tropical; 25°N - 9°S, 79°E - 117°E (Ref. 57343)
Indo-West Pacific: east coast of India to Lombok, Indonesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm SL male/unsexed; (Ref. 57343)
soft rays: 10 - 12. Distinguished by having six (occasionally five or seven) pectoral filaments, not reaching midpoint of anal fin; depth of posterior margin of maxilla less than eye diameter; snout pointed; and body in life usually dusky yellow or green above and silvery below.
Inhabits muddy bottoms (Ref. 57343). Feeds on small crustaceans (Ref. 57343). Protandric species (Ref. 57343).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Motomura, H., 2004. Threadfins of the world (Family Polynemidae). An annotated and illustrated catalogue of polynemid species known to date. FAO Spec. Cat. Fish. Purp. Rome: FAO. 3:117 p. (Ref. 57343)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 28 - 29.4, mean 28.9 (based on 616 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00314 - 0.01524), b=3.09 (2.90 - 3.28), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.51 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 (11 of 100) .