Chromis margaritifer

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Chromis margaritifer
Stato di conservazione
Specie non valutata
Classificazione scientifica
DominioEukaryota
RegnoAnimalia
SottoregnoEumetazoa
RamoBilateria
SuperphylumDeuterostomia
PhylumChordata
SubphylumVertebrata
InfraphylumGnathostomata
ClasseActinopterygii
OrdinePerciformes
SottordineLabroidei
FamigliaPomacentridae
SottofamigliaChrominae
GenereChromis
SpecieC. margaritifer
Nomenclatura binomiale
Chromis margaritifer
Fowler, 1946

Chromis margaritifer Fowler, 1946 è un pesce osseo appartenente alla famiglia Pomacentridae e alla sottofamiglia Chrominae[1].

Distribuzione e habitat

La specie è diffusa nelle zone tropicali dell'Oceano Indiano orientale e dell'Oceano Pacifico occidentale dalle coste nordoccidentali dell'Australia alle isole Christmas e Lord Howe fino alle Tuamotu, le isole Izu in Giappone, le Sporadi Equatoriali e le isole Cocos[2][3].

Vive in gruppi o solitario nelle parti esposte delle barriere coralline e nelle lagune (dove è più raro). Frequesta barriere miste di coralli e alghe calcaree o anche fondi rocciosi privi di madrepore[2][3]. Si può trovare a profondità fra 2 e 20 metri[3].

Descrizione

L'aspetto è quello tipico del genere Chromis. La colorazione è bruno scuro o nera nella parte anteriore del corpo e biancastra nella parte posteriore, le due colorazioni sono divise da una linea netta subverticale, il colore scuro comprende la parte spinosa della pinna dorsale e più di metà della pinna anale, compresi i raggi molli. Nell'areale indopacifico che occupa esistono altre specie come Chromis iomelas, C. dimidiata e C. xanthura che hanno un pattern di colorazione simile e si possono distinguere grazie alla maggiore o minore estensione della colorazione scura[2].

Raggiunge i 9 cm di lunghezza[3].

Biologia

Comportamento

È un animale diurno[3].

Alimentazione

Si nutre di alghe e zooplancton (soprattutto copepodi e larve di pesci[4].

Riproduzione

È una specie ovipara, le uova aderiscono al fondale e vengono sorvegliate dal maschio[3].

Note

  1. ^ (EN) Bailly, N. (2015), Chromis margaritifer, in WoRMS (World Register of Marine Species).
  2. ^ a b c R. Myers E. Lieske, Collins Pocket Guide: Coral Reef Fishes - Indo-Pacific and Caribbean, Harper Collins Publishers, 1996, ISBN 0002199742.
  3. ^ a b c d e f (EN) Chromis margaritifer, su FishBase. URL consultato il marzo 2021.
  4. ^ (EN) Food and Feeding Habits Summary Chromis margaritifer, su FishBase. URL consultato il marzo 2021.

Bibliografia

  • (EN) R. Myers E. Lieske, Collins Pocket Guide: Coral Reef Fishes - Indo-Pacific and Caribbean, Harper Collins Publishers, 1996, ISBN 0002199742.

Altri progetti

Collegamenti esterni

  Portale Pesci: accedi alle voci di Wikipedia che trattano di pesci

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