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Ovalentaria/misc (Various families in series Ovalentaria) >
Pomacentridae (Damselfishes) > Chrominae
Etymology: Chromis: Greek, chromis = a fish, perhaps a perch (Ref. 45335); anadema: Name from Latin 'anadema' meaning 'hair band', referring to two black bands at the preopercular
and opercular margins of the species.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina revassocierade; djupintervall 3 - 45 m (Ref. 129596). Tropical
Utbredning
Territorier | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri
Pacific Ocean: oceanic islands, Ryukyu, Mariana, Marquesas, Society, Gambier, and Pitcairn islands.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 11.6 cm SL hane/ej könsbestämd; (Ref. 129596)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 13; Mjukstrålar i ryggfenan (totalt) : 10 - 11; Taggstrålar i analfenan: 2; Mjukstrålar i analfenan: 10 - 12. A species of Chromis with the following combination of characters: D XIII,10-11 (mode 11); A II,10-12 (11); pectoral-fn rays 18-20 (19); upper and lower procurrent caudal-fn rays 3; pored lateral-line scales 17-19 (18); gill rakers 7-9 (8) + 20-24 (22) = 28-33 (30); longest dorsal-fin soft ray length 20.0-24.7% (mean 22.3%) of SL; first anal-fin spine length 5.0-6.1% (5-6%) of SL; caudal-fin length 33.4-43.8% (38.4%) of SL; posterior tips of caudal-fin lobes non-filamentous in adults; with broad black bands along preopercular and opercular margins, sum width of two bands 28.9-38.7% (33.1%) of head length; adults with distal half of soft-rayed dorsal fin transparent and with triangular black blotches at the upper and lower caudal-fin base; adults with caudal peduncle and fin bluish black; body grayish and all fins (except for pectorals) bright yellow in juveniles (Ref. 129596).
Cross section: compressed.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01778 (0.00800 - 0.03953), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.0 ±0.1 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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