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Eupercaria/misc (Various families in series Eupercaria) >
Labridae (Wrasses) > Julidinae
Etymology: Thalassoma: Greek, thalassa = the sea + Greek, soma = body; the colour of the sea (Ref. 45335); robertsoni: Named in honor of Dr. D. Ross Robertson of the Smithsonian Tropical Research Institute for his contributions to the knowledge of reef fishes of both the eastern Pacific and Caribbean regions.
Eponymy: Dr David Ross Robertson (d: 1946) is an ichthyologist whose bachelor’s degree (1966) and doctorate (1974) were awarded by The University of Queensland, Australia. [...] (Ref. 128868), visit book page.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser riff-verbunden; tiefenbereich 3 - 50 m (Ref. 31087). Tropical
Eastern Central Pacific: Clipperton Island.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ? range ? - ? cm
Max length : 7.8 cm SL Männchen/unbestimmt; (Ref. 31087)
Rückenflossenstacheln (insgesamt) : 8; Rückenflossenweichstrahlen (insgesamt) : 13; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 11; Wirbelzahl: 25. Principal caudal rays 14 (middle 12 branched); upper and lower procurrent caudal rays 4; terminal phase adults mainly pinkish red with broad yellow bar immediately behind head; initial phase white on lower half with broad dark stripe on upper half, forming rectangular blotches posteriorly in preservative (Ref. 31087).
Body shape (shape guide): fusiform / normal.
Found on the outer reef slope, frequently in areas where surge is strong (Ref. 31087).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Oviparous, distinct pairing during breeding (Ref. 205).
Parenti, P. and J.E. Randall, 2000. An annotated checklist of the species of the labroid fish families Labridae and Scaridae. Ichthyol. Bull. J.L.B. Smith Inst. Ichthyol. (68):1-97. (Ref. 35918)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
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=0.01000 (0.00446 - 0.02243), b=3.05 (2.88 - 3.22), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.3 ±0.4 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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