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Callionymiformes (Dragonets) >
Callionymidae (Dragonets)
Etymology: Callionymus: Greek, kallion, comparative of kallos = beautiful + Greek, onyma = name; with a better name.
More on author: Day.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; brackvatten bottenlevande. Tropical
Indo-Pacific: Indian subcontinent to Viet Nam. Common in the Mekong delta and probably found in Cambodia.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 7.0 cm TL hane/ej könsbestämd; (Ref. 12693)
Taggstrålar i ryggfenan (totalt) : 4; Mjukstrålar i ryggfenan (totalt) : 10; Mjukstrålar i analfenan: 9. Sandy yellow, ventrally lighter. First dorsal fin with a black blotch basally on third membrane. Second dorsal fin, caudal fin, pectoral and pelvic fins spotted with brown. Anal fin white. First dorsal fin lower than second dorsal fin. First spine of first dorsal fin shorter than second spine. Anal fin pale. Second dorsal fin without white bands (Ref 42832).
Body shape (shape guide): elongated.
Occurs on the bottom in the lower courses of rivers. Feeds on worms, zooplankton and phytoplankton. Occasionally marketed fresh (Ref. 12693).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Rainboth, W.J., 1996. Fishes of the Cambodian Mekong. FAO species identification field guide for fishery purposes. FAO, Rome, 265 p. (Ref. 12693)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 23.9 - 28.6, mean 27.4 °C (based on 1025 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00397 - 0.01910), b=2.78 (2.61 - 2.95), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.8 ±0.28 se; based on food items.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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