Klassifizierung / Names
Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa
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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); torquata: Name from Latin: 'torquata' meaning adorned with a collar, referring to the diagnostic dark band behind the head.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser riff-verbunden; tiefenbereich 10 - 40 m (Ref. 118302). Tropical
Western Indian Ocean: restricted to the islands of Mauritius and Réunion.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 9.2 cm SL Männchen/unbestimmt; (Ref. 118302); 8.7 cm SL (female)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 8; Rückenflossenweichstrahlen (insgesamt) : 11; Afterflossenstacheln: 2; Afterflossenweichstrahlen: 11; Wirbelzahl: 26. This species is distinguished be the following characters: D XIII,11; A II,10-11 (usually 11); pectoral rays 19-20 (usually 19); spiniform caudal rays 3; tubed lateral-line scales (17-19); gill rakers 7-8 + 20-22, total rakers 28-30; body depth 2.3-2.4 in SL. Colouration: when alive, mainly charcoal grey to dark greenish brown, whitish to yellowish anteriorly (behind pectoral fin) and ventrally; a broad black band behind head (or slightly overlapping opercle), from side of nape to just behind pectoral-fin base; cheek, opercle, and side of snout mainly white (except in yellow individuals), except black patch around upper margin of eye; iris yellow-orange; caudal fin mainly brown with darker band along dorsal and ventral edge of lobes; juvenile is bluish with prominent black band behind the head and bright yellow caudal lobes with yellow on upper lobe extending onto dorsal portion of caudal peduncle (Ref. 118302).
Cross section: compressed.
Usually found in habitats consisting of outer, seaward reefs at depths of about 10-40 m (Ref. 118302).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Allen, G.R., 2018. Chromis torquata, a new species of damselfish (Pomacentridae) from Mauritius and Réunion. aqua, Int. J. Ichthyol. 24(1):15-22. (Ref. 118302)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
Download XML
Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01820 (0.00804 - 0.04119), b=2.99 (2.81 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.0 ±0.1 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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