Actinopterygii (ray-finned fishes) > Beloniformes
(Needle fishes) > Belonidae
Etymology: Xenentodon: Greek, xenos = strange + Greek, odous = teeth (Ref. 45335).
Environment / Climate / Range
Marine; freshwater; brackish; pelagic-neritic; pH range: 7.0 - 7.5; dH range: 20 - ?; amphidromous (Ref. 51243); depth range 0 - 2 m (Ref. 58302). Tropical; 22°C - 28°C (Ref. 1672); 38°N - 5°N
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 4833); common length : 30.0 cm TL male/unsexed; (Ref. 4833)
soft rays: 16 - 18. Body very elongate and slightly compressed. Dorsal fin inserted usually anterior to a vertical through the origin of the anal fin. Green-silvery dorsally, grading to whitish below. A silvery band with a dark margin run along the side; a series of four or five blotches (absent in young specimens) on sides between the pectoral and anal fins. Dorsal and anal fins with dark edges.
Asia: Sri Lanka and India eastward to the Mekong.
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Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam.
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
Traumatogenic (Ref. 6028)
Fisheries: minor commercial; aquarium: potential
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00123 (0.00062 - 0.00243), b=3.12 (2.93 - 3.31), based on LWR estimates for species & Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.9 ±0.62 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 to moderate vulnerability (29 of 100) .