Oxycheilinus nigromarginatus, Blackmargin maori wrasse

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Oxycheilinus nigromarginatus Randall, Westneat & Gomon, 2003

Blackmargin maori wrasse
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Oxycheilinus nigromarginatus   AquaMaps   Data sources: GBIF OBIS
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Image of Oxycheilinus nigromarginatus (Blackmargin maori wrasse)
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drawing shows typical species in Labridae.

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

Teleostei (teleosts) > Eupercaria/misc (Various families in series Eupercaria) > Labridae (Wrasses) > Cheilininae
Etymology: Oxycheilinus: Greek, oxys = sharp + Greek, cheilos = lip;  nigromarginatus: Name from the Latin, meaning black-margined, referring to the conspicuous black posterior margin on the caudal fin, the only obvious color marking persisting in preservative..
More on authors: Randall, Westneat & Gomon.

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

Marine; reef-associated; depth range 10 - 27 m (Ref. 56651). Subtropical

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

Southwest Pacific: from New South Wales, Chesterfield Bank in the Coral Sea, New Caledonia and Tonga.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 11.3 cm SL male/unsexed; (Ref. 56651); 8.2 cm SL (female)

Short description Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 8; Vertebrae: 23. This species is distinguished by the following characters: Dorsal rays IX, 10; anal rays III, 8; pectoral rays 13; lateral-line interrupted, with pored scales to caudal-fin base 15 + 6; gill rakers 5-6 + 8-9; body moderately elongate, depth 3.1-3.55 in SL; head length 2.45-2.55 in SL; snout long and pointed, 2.6-2.8 in head; dorsal profile of snout straight or with a slight concavity of snout to above eye; lower jaw is slightly projecting; maxilla reaching or nearly reaching a vertical at anterior margin of orbit; caudal fin of females slightly rounded, the upper 3 principal rays slightly prolonged; fin of males rhomboid with the upper 3 rays more strongly projecting; pectoral fins 2.6-2.95 in head; body and fins pale yellowish when preserved, with a blackish posterior margin on caudal fin, broader and black in male; first interspinous membrane of dorsal fin dusky; red in life on about upper half of body with 5 irregular pale bars, pale red on lower half with 3 pale stripes containing small white spots; posterior edge of caudal fin blackish to black (Ref. 56651).

Biology     Glossary (e.g. epibenthic)

Collected in protected waters of lagoons or harbors on mixed sand and coral-reef habitats (Ref. 56651).

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

Oviparous, distinct pairing during breeding (Ref. 205).

Main reference Upload your references | References | Coordinator : Westneat, Mark | Collaborators

Randall, J.E., M.W. Westneat and M.F. Gomon, 2003. Two new labrid fishes of the genus Oxycheilinus from the South Pacific. Proc. Calif. Acad. Sci. 54(20):361-370. (Ref. 56651)

IUCN Red List Status (Ref. 130435)

  Data deficient (DD) ; Date assessed: 25 March 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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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 | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 25 - 28.2, mean 26.5 °C (based on 239 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01585 (0.00707 - 0.03555), b=2.95 (2.76 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.7   ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).