Teleostei (teleosts) >
Carangaria/misc (Various families in series Carangaria) >
Polynemidae (Threadfins)
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).
More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
Ecology
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)
Dorsal soft rays (total): 11 - 13; Anal 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.
Body shape (shape guide): fusiform / normal.
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. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
Special reports
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 28 - 29.4, mean 28.9 °C (based on 616 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00308 - 0.01483), b=3.10 (2.92 - 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.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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