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Chromis opercularis (Gunther, 1867)
DOUBLEBAR CHROMIS
Life   Vertebrata   Fish   Pomacentridae   Chromis


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Chromis&speciesname=opercularis ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Chromis&speciesname=opercularis
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https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Chromis&speciesname=opercularis ---> https://fishbase.mnhn.fr/summary/Chromis-opercularis.html
Chromis opercularis, Doublebar chromis
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Chromis opercularis ( Günther , 1867 )

Doublebar chromis Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Chromis opercularis   AquaMaps   Data sources: GBIF OBIS
Upload your photos  and  videos
Pictures | Google image Image of Chromis opercularis (Doublebar chromis) Chromis opercularis
Picture by Randall, J.E.

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Ovalentaria/misc (Various families in series Ovalentaria) > Pomacentridae (Damselfishes) > Chrominae
Etymology: Chromis: Greek, chromis = a fish, perhaps a perch (Ref. 45335 ) .
More on author: Günther .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; non-migratory; depth range 4 - 40 m (Ref. 7247 ). Tropical

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

Indian Ocean: South Africa to Kenya, Maldives to the Andaman Sea and Australia. Previous reports from the Western Pacific (Taiwan, eastern Australia and Vanuatu Island) most probably refer fo Chromis xanthura (Ref. 129596 ).

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 17.0 cm TL male/unsexed; (Ref. 90102 )

Short description Morphology | Morphometrics

Dorsal spines (total): 13; Dorsal soft rays (total): 10-11; Anal spines : 2; Anal soft rays : 10 - 11. This species is distinguished by the following set of characters: D XIII,10-11 (mode 11); A II,10-11 (11); pectoral-fin rays 18-20 (19); upper and lower procurrent caudal-fin rays 3; pored lateral-line scales 17-18 (18); gill rakers 6-8 (7) + 19-22 (21) = 26-30 (28); the longest dorsal fin soft ray length 24.6-36.4% (mean 29.4%) of SL; first anal-fin spine length 6.5-8.4% (7.1%) of SL; caudal-fin length 43.9-59.8% (48.6%) of SL; posterior tips of caudal-fin lobes filamentous; presence of broad black bands along preopercular and opercular margins, sum width of two bands 15.3-27.9% (23.6%) of head length; in adults, the distal half of soft-rayed portion of dorsal fin is transparent; no triangular black blotches at the upper or lower caudal-fin base; caudal peduncle and fin are tinged yellow; soft-rayed portions of dorsal and anal fins are yellowish, while spinous portion of dorsal and pelvic fins dark blue in juveniles (Ref. 129596 ).

Biology     Glossary (e.g. epibenthic)

Adults inhabit outer reef slopes and deep lagoons (Ref. 9710 ). They form small to moderate aggregations on reef crests with moderate currents (Ref. 48636 ). Oviparous, distinct pairing during breeding (Ref. 205 ). Eggs are demersal and adhere to the substrate (Ref. 205 ). Males guard and aerate the eggs (Ref. 205 ).

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

Oviparous, distinct pairing during breeding (Ref. 205 ). Eggs are demersal and adhere to the substrate (Ref. 205 ). Males guard and aerate the eggs (Ref. 205 ).

Main reference Upload your references | References | Coordinator : Allen, Gerald R. | Collaborators

Motomura, H., H. Nishiyama and S.N. Chiba , 2017. Review of the Chromis xanthura species group (Perciformes: Pomacentridae), with description of a new species. Ichthyol. Res. 65:177-191. (Ref. 129596 )

IUCN Red List Status (Ref. 130435 )

  Least Concern (LC)  ; Date assessed: 01 August 2021

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: of no interest FAO - Publication: search | FishSource |

More information

Countries
FAO areas
Ecosystems
Occurrences
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Ecology
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Common names
Synonyms
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Predators
Ecotoxicology
Reproduction
Maturity
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Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
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Length-frequencies
Morphometrics
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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201 ): 24.5 - 29, mean 27.9 °C (based on 668 cells). Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01259 (0.00579 - 0.02736), b=3.03 (2.84 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  2.7   ±0.31 se; based on food items. Resilience (Ref. 120179 ):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.). Fishing Vulnerability (Ref. 59153 ):  Low vulnerability (10 of 100). Nutrients (Ref. 124155 ):  Calcium = 83.8 [48.9, 124.1] mg/100g; Iron = 0.709 [0.463, 1.061] mg/100g; Protein = 18.6 [17.6, 19.6] %; Omega3 = 0.142 [0.097, 0.206] g/100g; Selenium = 26.1 [16.2, 44.2] μg/100g; VitaminA = 113 [40, 313] μg/100g; Zinc = 1.8 [1.3, 2.4] mg/100g (wet weight);

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Updated: 2024-06-16 22:16:50 gmt
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