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Pycnochromis margaritifer (Fowler, 1946)

Bicolor chromis
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Pycnochromis margaritifer
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Chinese Taipei (Taiwan) country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Reported from northern and southern Taiwan (including Hsiao-liu-chiu) and from the Penghu (Ref. 55073), Lanyu, and Green islands (Ref. 48445, 48451). Also Ref. 5193, 11104, 47843.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tw.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Shao, K.-T., S.-C. Shen, T.-S. Chiu and C.-S. Tzeng, 1992
National Database: The Fish Database of Taiwan

Common names from other countries

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Ovalentaria/misc (Various families in series Ovalentaria) > Pomacentridae (Damselfishes) > Chrominae
Etymology:   More on author: Fowler.

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

Θαλασσινό(ά) Υφαλόφιλο(α); μη μεταναστευτικό(ά); εύρος βάθους 0 - 30 m (Ref. 128797).   Tropical; 32°N - 32°S, 96°E - 132°W

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Pacific Ocean: Christmas Island and northwestern Australia in the eastern Indian Ocean to the Line and Tuamoto islands.

Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm
Max length : 10.2 cm TL αρσενικό/απροσδιόριστο; (Ref. 124696); μεγ. δημοσιευμένο βάρος: 14.56 g (Ref. 124696)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 12; Μαλακές ραχιαίες ακτίνες (συνολικά) : 12 - 13; Εδρικές άκανθες: 2; Μαλακές εδρικές ακτίνες: 11 - 12.

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Adults are usually seen singly or in small groups on coastal reefs, amongst mixed algae-coral reef or rocky reefs (Ref. 48636). They are found on exposed seaward reefs; less abundant in lagoons and channels. Feed on zooplankton. 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). Diurnal species (Ref. 113699).

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

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 | Αναφορές | Συντονιστής : Allen, Gerald R. | Συνεργάτες

Allen, G.R., 1991. Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 03 February 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

αλιεία: Εμπορικό(ά); Ενυδρείο: Εμπορικό(ά)

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Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
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References
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Διαδικτυακές πηγές

Estimates based on models

Preferred temperature (Ref. 115969): 25 - 29.3, mean 28.5 (based on 1936 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00878 - 0.03136), b=2.97 (2.81 - 3.13), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  3.0   ±0.25 se; based on food items.
Ελαστικότητα (Ref. 120179):  Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (29 of 100).
Price category (Ref. 80766):   Unknown.