Acanthochromis polyacanthus, Spiny chromis

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Acanthochromis polyacanthus (Bleeker, 1855)

Spiny chromis
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Acanthochromis polyacanthus   AquaMaps   Data sources: GBIF OBIS
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Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Ovalentaria/misc (Various families in series Ovalentaria) > Pomacentridae (Damselfishes) > Pomacentrinae
Etymology: Acanthochromis: Greek, akantha = thorn + Greek, chromis = a marine fish without identification, dealing with perch; cited by Plinius (Ref. 45335).  More on author: Bleeker.

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

; seewasser riff-verbunden; standorttreu; tiefenbereich 1 - 65 m (Ref. 9710), usually 4 - 20 m (Ref. 90102).   Tropical; 15°N - 26°S, 116°E - 169°E (Ref. 56301)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Western Pacific: Indonesia and the Philippines to northeastern Australia and Melanesia.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm TL Männchen/unbestimmt; (Ref. 48636)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 17; Rückenflossenweichstrahlen (insgesamt): 14-16; Afterflossenstacheln 2; Afterflossenweichstrahlen: 14 - 16.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Adults inhabit inshore and offshore coral reefs (Ref. 9710). Also found in harbors, lagoons and outer reef slopes. The only pomacentrid species that lacks a pelagic larval stage. One of the very few marine fishes where fry are guarded by the parents (Ref. 9710, 48636). School as they grow and sub-adults are usually seen in small groups. Adults form pairs and are territorial when breeding (Ref. 48636). Monogamous (Ref. 52884). Oviparous (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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Oviparous, distinct pairing during breeding (Ref. 205). Monogamous mating is observed as both obligate and genetic (Ref. 52884). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205). Does not have a juvenile bisexual phase and all males have the typical testicular morphology of gonochores (Ref. 103751).

Hauptreferenz Upload your references | Referenzen | Koordinator : Allen, Gerald R. | Partner

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

IUCN Rote Liste Status (Ref. 123251)

  nicht bedroht (LC) ; Date assessed: 15 November 2010

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

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Estimates based on models

Preferred temperature (Ref. 115969): 25.1 - 28.9, mean 27.8 °C (based on 458 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02884 (0.01670 - 0.04979), b=3.05 (2.90 - 3.20), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  2.7   ±0.30 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Verwundbarkeit (Ref. 59153):  Low vulnerability (13 of 100) .
Nutrients (Ref. 124155):  Calcium = 98.4 [59.0, 166.4] mg/100g ; Iron = 0.883 [0.582, 1.417] mg/100g ; Protein = 18.8 [17.7, 19.9] % ; Omega3 = 0.135 [0.085, 0.209] g/100g ; Selenium = 27.6 [15.3, 52.5] μg/100g ; VitaminA = 42.7 [13.5, 138.6] μg/100g ; Zinc = 1.55 [1.04, 2.27] mg/100g (wet weight);