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Callionymus omanensis  Fricke, Jawad & Al-Mamry, 2014

Oman dragonet
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Image of Callionymus omanensis (Oman dragonet)
Callionymus omanensis
Male picture by Marine Science and Fisheries Centre, Muscat

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Callionymidae (Dragonets)
Etymology: Callionymus: Greek, kallion, comparative of kallos = beautiful + Greek, onyma = name; with a better name ;  omanensis: Named for its type locality, Oman.

Environment / Climate / Range Ecology

Marine; demersal; depth range ? - 500 m (Ref. 96973).   Deep-water, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

NW Indian Ocean, Arabian Sea, Oman.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 11.1 cm SL male/unsexed; (Ref. 96973)

Short description Morphology | Morphometrics

Dorsal spines (total): 4; Dorsal soft rays (total): 8; Anal soft rays: 8. This species within the subgenus Bathycallionymus is distinguished from its congeners under this by the following characters: small branchial opening; short head short (3.9 in LS); large eye (2.4 in head length); preopercular spine with a long, upcurved main tip, a small antrorse barb and a larger antrorse spine, and a strong antrorse spine at its base, smooth ventral margin; first dorsal fin is slightly higher than the second (in male); second dorsal fin distally straight; pectoral fin rays 17; caudal fin slightly pointed distally, with 2 median unbranched rays with short filaments; first dorsal fin with basal black spot reaching from first to fourth membranes, the third membrane with an ocellated distal black blotch; second dorsal fin with dark grey vertical bars; distal three-fourths of anal fin is black; upper half of caudal fin with dark grey oblique bars; pelvic fin dark grey, second ray basally with a black blotch. This species differs from the similar C. profundus (characters in parentheses) in a more slender preopercular spine with the distance of the two dorsal points more than the length of the longest point (vs. stouter, distance less than the longest point); pectoral fin rays 17 (vs. 18-20); the dark pelvic fin with a black blotch basally on second ray (vs. pale, with a few dark spots); first dorsal fin with a basal black blotch reaching from first to fourth membranes, and a distal ocellate black blotch on third membrane (vs. basal black blotch only reaching from second to third membranes, and third membrane distally dark but not ocellate); distal three-fourths of anal fin dark grey (vs. only distal one-fourth of the anal fin dark); thorax of male plain white (vs. dark grey); snout dorsally with an oblique dark band (vs. without a band, but with a few dark spots); dorsal part of the pectoral fin base pale but with a dark streak behind the pectoral fin (vs. dorsal part black, no dark streak behind pectoral fin); dorsal half of the caudal fin with 4 oblique dark streaks (vs. pale, with a few dark spots). This species differs from Callionymus bentuviai in having just a single dorsal point on the preopercular spine (vs. additional to the small antrorse barb and the main tip; 2 points in C. bentuviai); pectoral fin rays 17 (vs. 19-22); median filaments of the caudal fin short (vs. very long); anal fin with the distal three-fourths dark grey (vs. distal one-fourth dark); dorsal half of the caudal fin with 4 oblique dark streaks (vs. 1 horizontal dark streak); second membrane of the first dorsal fin of the male not deeply incised (vs. deeply incised). This species is distinguished from Callionymus africanus in having just a single dorsal point on the preopercular spine (vs. additional to the small antrorse barb and the main tip; 2 points); first dorsal fin with the basal dark blotch reaching from first to fourth membranes, and a distal black ocellus on third membrane (vs. basal black blotch reaching from second to third membranes, no distal ocellus on third membrane); colouration of the second dorsal fin, with vertical dark grey bars (vs. 2 horizontal rows of dark spots and 3 rows of white spots); anal fin with the distal three-fourths dark grey (vs. distal one-fourth dark); dorsal half of the caudal fin with 4 oblique dark streaks (vs. pale, with a scattered dark spots); depressed body (Ref. 96973).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Fricke, Ronald | Collaborators

Fricke, R., L.A. Jawad and J.M. Al-Mamry, 2014. Callionymus omanensis, a new species of dragonet from Oman, north-western Indian Ocean (Teleostei: Callionymidae). J. Fish Biol. (2014) 85:1303-1319. (Ref. 96973)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki |

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00407 - 0.02141), b=2.77 (2.59 - 2.95), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (21 of 100) .