Actinopteri (ray-finned fishes) > Callionymiformes
(Dragonets) > Callionymidae
Etymology: Callionymus: Greek, kallion, comparative of kallos = beautiful + Greek, onyma = name; with a better name . More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
Marine; brackish; reef-associated; depth range 1 - 15 m (Ref. 37816). Tropical; 32°N - 22°S
Western Pacific: Gulf of Thailand to the Solomon Islands, north to Japan, south to northwestern Australia; Palau and Yap in Micronesia. Probably specimens from eastern Indonesia, northeastern Australia, and the Loyalty and Hawaiian islands, may also be this species.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm TL male/unsexed; (Ref. 48636)
Occurs in sand and mud bottoms from brackish mangrove areas to a depth of 15 m in coral reef lagoons (Ref. 1602, 48636). Minimum depth of 1 m reported from Ref. 90102.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
Estimates based on models
Preferred temperature (Ref. 115969
): 25.7 - 29.3, mean 28.7 °C (based on 2412 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00416 - 0.02000), b=2.76 (2.58 - 2.94), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.0 se; based on diet studies.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (12 of 100) .
Nutrients (Ref. 124155
): Calcium = 225 [99, 487] mg/100g ; Iron = 1.15 [0.65, 2.29] mg/100g ; Protein = 17.5 [16.2, 18.6] % ; Omega3 = 0.248 [0.109, 0.570] g/100g ; Selenium = 26.2 [10.1, 65.7] μg/100g ; VitaminA = 131 [37, 454] μg/100g ; Zinc = 2.65 [1.70, 4.28] mg/100g (wet weight);