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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.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; brackvatten bottenlevande. Tropical
Indo-Pacific: Indian subcontinent to Viet Nam. Common in the Mekong delta and probably found in Cambodia.
Size / Vikt / Age
Maturity: 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).
Occurs on the bottom in the lower courses of rivers. Feeds on worms, zooplankton and phytoplankton. Occasionally marketed fresh (Ref. 12693).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Rainboth, W.J., 1996. Fishes of the Cambodian Mekong. FAO species identification field guide for fishery purposes. FAO, Rome, 265 p. (Ref. 12693)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: mindre kommeriell
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 23.9 - 28.6, mean 27.4 °C (based on 1025 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00408 - 0.02036), b=2.77 (2.59 - 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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).