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Pomacentrus callainus Randall, 2002

Blue-green damselfish
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Native range | All suitable habitat | Point map | Year 2050
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Pomacentrus callainus   AquaMaps   Data sources: GBIF OBIS
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Image of Pomacentrus callainus (Blue-green damselfish)
Pomacentrus callainus
Picture by Randall, J.E.

Tonga country information

Common names: Blue-green damselfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality of Pomacentrus callainus, Hakaumama'o Reef, Tongatapu. Also collected from Tongatapu, Monuafe I. and Vava'u Group, Euakafa I. (Ref. 124650).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tn.html
National Fisheries Authority: http://www.spc.org.nc/coastfish/Countries/Tonga/tonga.htm
Occurrences: Occurrences Point map
Main Ref: Randall, J.E., 2002
National Database:

Common names from other countries

Guru, ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Ovalentaria/misc (Various families in series Ovalentaria) > Pomacentridae (Damselfishes) > Pomacentrinae
Etymology: Pomacentrus: Greek, poma, -atos = cover, operculum + Greek, kentron = sting (Ref. 45335);  callainus: Name from Latin word for blue-green, referring to its life colour..
  More on author: Randall.

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

marina revassocierade; djupintervall 2 - 6 m (Ref. 124650).   Tropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

South Pacific: Tonga and Fiji.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 9.5 cm SL hane/ej könsbestämd; (Ref. 54980)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 13; Mjukstrålar i ryggfenan (totalt): 13-14; Taggstrålar i analfenan 2; Mjukstrålar i analfenan: 13 - 15; Ryggkotor: 26. This species is distinguished by the following characters: D XIII,13-14 (usually 14); A II,13- 15; pectoral rays 17-19; tubed lateral line scales 15-18 (modally 16); total gill rakers 22-25; sub-orbital scaled, the margin is smooth or rarely with one or two weak serrae; body depth 1.95-2.1 in SL; longest dorsal spine 1.7-2.05 in HL; second anal spine 1.5-1.7 in HL. Colouration: in life, pale blue-green with a wedge-shaped black bar at upper pectoral fin base (Ref. 124650).

Biologi     Ordlista (t.ex. epibenthic)

Occurs in shallow reefs , close to corals for shelter (Ref. 54980). Life history characteristics for the family specify that this group is oviparous, with 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 Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

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 | referenser | Koordinator : Allen, Gerald R. | Medarbetare

Randall, J.E., 2002. Two new damselfishes of the genus Pomacentrus from the south-west Pacific. aqua, J. Ichthyol. and Aquat. Biol. 5(4):167-176. (Ref. 124650)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 04 February 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

Ytterligare information

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Internet-källor

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(Släkte, Arter) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, sök) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 25.3 - 29, mean 27.5 (based on 393 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02399 (0.01139 - 0.05051), b=2.98 (2.81 - 3.15), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  2.6   ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref. 120179):  Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).